Entries |
Document | Title | Date |
20080202160 | Method and device for fractionated cryocondensation - The invention relates to a method and device for the fractionated cryocondensation of a process gas in at least one cooler and a freezer, wherein a specific process temperature is set inside the cooler. | 08-28-2008 |
20080302133 | Method and Device for Recovering Carbon Dioxide from Fumes - The method and the system for capturing the carbon dioxide present in flue-gas implement a) a first cooler device ( | 12-11-2008 |
20090013717 | PROCESS AND APPARATUS FOR THE SEPARATION OF A GASEOUS MIXTURE - A process for separating carbon dioxide from a carbon dioxide containing fluid comprises the steps of: compressing the fluid in a compressor to form a compressed fluid, drying at least part of the compressed fluid to form a compressed and dried fluid, cooling at least part of the compressed and dried fluid to form a compressed, dried and cooled fluid, separating the compressed, dried and cooled fluid at a temperature lower than 0° C. into a carbon dioxide rich stream, a carbon dioxide lean stream and at least one intermediate purity liquid stream having a carbon dioxide purity lower than that of the carbon dioxide rich stream and higher than that of the carbon dioxide lean stream, expanding at least one intermediate purity liquid stream to produce at least one expanded stream using at least one expanded stream to cool the compressed and dried fluid and recycling at least part of the expanded stream. | 01-15-2009 |
20090133437 | Recovery of Co-Rich Product From a Mixed Gas Containing Heavy Hydrocarbons - A novel process is disclosed which produces a CO-rich stream from a stream containing hydrogen, carbon monoxide, methane, and components heavier than methane. The process utilizes a combined CO purification and demethanizer column ( | 05-28-2009 |
20090188278 | Method for Purifying and Separating a Krypton-Xenon Mixture by Rectification and a Device for Carrying Out Said Method - The invention relates to cryogenic engineering, in particular to purifying krypton-xenon mixture and is usable in the chemical and oil-and-gas industries. The inventive method comprises purifying and separating the mixture in rectification columns, wherein coolant is removed and returned to a cooling cycle, additionally removing radionuclides from krypton and xenon fractions and from krypton and xenon production flows by means of filtration and/or adsorption and/or rectification and/or absorption and/or chemical and/or physicochemical methods in apparatuses for additional removing radionuclides. Balloons for reception of the separated products are certified with respect to radionuclides content and/or activity prior to and after the filling thereof. An installation for carrying out the method is also disclosed, allowing to additionally remove radionuclides from the separated products in such a way that the products can be used, for example, for medical purposes and to increase the cost efficiency of purification and separation processes. | 07-30-2009 |
20090211295 | ASSEMBLY OF HEAT EXCHANGERS AND A CRYOGENIC DISTILLATION APPARATUS INCORPORATING THE SAME - Heat exchange assembly comprising at least one first and one second heat exchange body ( | 08-27-2009 |
20090266107 | Integrated Controlled Freeze Zone (CFZ) Tower and Dividing Wall (DWC) for Enhanced Hydrocarbon Recovery - The present invention relates to methods and apparatuses for the operation of a distillation tower containing a controlled freezing zone and at least one distillation section. The process and tower design are utilized for the additional recovery of hydrocarbons from an acid gas. In this process, a separation process is utilized in which a multi-component feedstream is introduced into an apparatus that operates under solids forming conditions for at least one of the feedstream components. The freezable component, although typically CO | 10-29-2009 |
20090308100 | Rectification apparatus using a heat pump - An apparatus for stripping and strengthening and subsequent condensing and final strengthening of an easily vaporizable component of a preferably aqueous mixture permits the heat necessary for stripping and strengthening to be transferred through a common heat transmission body ( | 12-17-2009 |
20100018248 | Controlled Freeze Zone Tower - A cryogenic distillation tower is provided for the separation of a fluid stream containing at least methane and carbon dioxide. The cryogenic distillation tower has a lower stripping section, an upper rectification section, and an intermediate spray section. The intermediate spray section includes a plurality of spray nozzles that inject a liquid freeze zone stream. The nozzles are configured such that substantial liquid coverage is provided across the inner diameter of the intermediate spray section. The liquid freeze zone stream generally includes methane at a temperature and pressure whereby both solid carbon dioxide particles and a methane-enriched vapor stream are formed. The tower may further include one or more baffles below the nozzles to create frictional resistance to the gravitational flow of the liquid freeze zone stream. This aids in the breakout and recovery of methane gas. Additional internal components are provided to improve heat transfer and to facilitate the breakout of methane gas. | 01-28-2010 |
20100024476 | RECOVERY OF CARBON DIOXIDE FROM FLUE GAS - Carbon dioxide-containing gas such as flue gas and a carbon dioxide-rich stream are compressed and the combined streams are then treated to desorb moisture onto adsorbent beds and then subjected to subambient-temperature processing to produce a carbon dioxide product stream and a vent stream. The vent stream is treated to produce a carbon dioxide-depleted stream which can be used to desorb moisture from the beds, and a carbon dioxide-rich stream which is combined with the carbon dioxide-containing gas. | 02-04-2010 |
20100071410 | DISTILLATION PROCESS USING MICROCHANNEL TECHNOLOGY - The disclosed invention relates to a distillation process for separating two or more components having different volatilities from a liquid mixture containing the components. The process employs microchannel technology for effecting the distillation and is particularly suitable for conducting difficult separations, such as the separation of ethane from ethylene, wherein the individual components are characterized by having volatilities that are very close to one another. | 03-25-2010 |
20100107685 | REFINERY GAS UPGRADING VIA PARTIAL CONDENSATION AND PSA - A process and system for recovering valuable by-products (e.g., hydrogen) from refinery gas streams. For hydrogen-only recovery, the invention comprises a partial condensation step to upgrade the refinery fuel gas to a minimum of 60% hydrogen, which is further purified in a pressure swing adsorption process. When configured to recover hydrogen, methane-rich gas and raw LPG (methane depleted gas containing C2 hydrocarbons and heavier), the invention comprises two partial condensation steps where the feed is cooled in the first step to allow separation of ethane and heavier hydrocarbons, and the resulting vapor is cooled to a lower temperature in a second step for hydrogen recovery. | 05-06-2010 |
20100115991 | Purification of gases in synthesis gas production process - A modified purifier process, includes supplying a first stream of a feed gas containing hydrogen and nitrogen in a mol ratio of about 2:1, and also containing methane and argon, then cryogenically separating the feed gas into the following:
| 05-13-2010 |
20100122552 | SEPARATION METHOD AND APPARATUS - A separation method and apparatus that separates a component from a feed stream by use of a membrane in which separation is driven, at least in part, by a sweep stream. The sweep stream may be pumped to a supercritical pressure and then heated to at least near supercritical temperature, at least in part, through heat exchange with a component laden sweep stream being discharged from the membrane. A multi-component mixture can also be used that will produce the sweep stream as a vapor as a result of the heat exchange. The component laden sweep stream, due to cooling through the indirect heat exchange, will form a two-phase fluid that can be phase separated into a vapor phase enriched in the component that can be taken as a product and a residual liquid that can be recirculated in the formation of the sweep stream in the liquid state. | 05-20-2010 |
20100126215 | Method For Cooling A Cryogenic Exchange Line - The invention relates to a method for the cryogenic separation, the cooling or the liquefaction of a fluid using an exchange line, that comprises extracting from said exchange line at least one dual phase fluid ( | 05-27-2010 |
20100162754 | Method And Device For Separating A Mixture Of Hydrogen, Methane And Carbon Monoxide By Cryogenic Distillation - A method and to a device for separating a mixture of hydrogen, methane and carbon monoxide by cryogenic distillation is provided. In particular, the present invention relates to a method for producing a mixture of H | 07-01-2010 |
20100300145 | Apparatus and method for distributing a plurality of fluid flows through a plurality of chambers, particularly for carrying out adsorption processes - A method is disclosed for distributing a plurality of fluid which flows through a plurality of chambers and an apparatus for performing this method, which comprises a first fluid flow distribution device ( | 12-02-2010 |
20110000257 | Effluent Gas Recovery System in Polysilicon and Silane Plants - Purified SiHCl | 01-06-2011 |
20110000258 | APPARATUS FOR SOLVENT RECOVERY - An apparatus for solvent recovery from a solvent/gas mixture from the exhaust air of systems processing printing, painting or other solvents, wherein the solvent/gas mixture from at least one oil-containing solvent/gas mixture is cooled down to a temperature below the lower condensation temperature of the oil of the solvent mixture using a heat exchanger, wherein a further, second heat exchanger is connected upstream of the heat exchanger, said second heat exchanger cooling the solvent/gas mixture specifically to the condensation temperature of an oil present in the mixture and both heat exchangers produce a recovery unit. | 01-06-2011 |
20110005272 | Process for separating carbon dioxide from flue gas using parallel carbon dioxide capture and sweep-based membrane separation steps - A gas separation process for treating flue gases from combustion processes, and combustion processes including such gas separation. The invention involves routing a first portion of the flue gas stream to be treated to a carbon dioxide capture step, while simultaneously flowing a second portion of the flue gas across the feed side of a membrane, flowing a sweep gas stream, usually air, across the permeate side, then passing the permeate/sweep gas to the combustor. | 01-13-2011 |
20110011128 | Process For The Production Of Carbon Dioxide Utilizing A Co-Purge Pressure Swing Adsorption Unit - The present invention provides a process for recovering gaseous hydrogen and gaseous carbon dioxide from a mixture of hydrocarbons by utilizing a system that includes a reformer unit, an optional water gas shift reactor, and a pressure swing adsorption unit in conjunction with a carbon dioxide purification unit such as a cryogenic purification unit or a catalytic oxidizer. In this process, purified CO | 01-20-2011 |
20110011129 | METHOD FOR RECYCLING SILANE (SiH4) - The invention relates to a method for recycling silane that comprises the following consecutive steps: a) injecting a mixture of pure silane/pure hydrogen (SiH4/H2) in a reaction chamber for making silicon-containing thin layers; b) extracting from the mixture the excess of silane not used during step a)/hydrogen (SiH4/H2) via a pump using a supply gas; c) discharging from said pump, at a pressure close to the atmospheric pressure, a mixture containing at least silane (SiH4), hydrogen (H2) and an amount different from zero of said supply gas; d) separating the silane (SiH4) from the hydrogen/supply gas mixture resulting from the mixture from step c), the silane thus obtained containing less than 100 ppm of supply gas, preferably less than 10 ppm of supply gas and more preferably less than 1 ppm of supply gas; characterised in that at least 50%, preferably 70%, and more preferably 80% of the silane (SiH4) from step b) is reused after step d) for a new step a). | 01-20-2011 |
20110016917 | METHOD OF REMOVING AND SOLIDIFYING CARBON DIOXIDE FROM A FLUID STREAM AND FLUID SEPARATION ASSEMBLY - The invention relates to a method of removing carbon dioxide from a fluid stream by a fluid separation assembly. The fluid separation assembly has a cyclonic fluid separator with a tubular throat portion arranged between a converging fluid inlet section and a diverging fluid outlet section and a swirl creating device. The separation vessel has a tubular section positioned on and in connection with a collecting tank. In the method, a fluid stream with carbon dioxide is provided. Subsequently, a swirling motion is imparted to the fluid stream so as to induce outward movement. The swirling fluid stream is then expanded such that components of carbon dioxide in a meta-stable state within the fluid stream are formed. Subsequently, the outward fluid stream with the components of carbon dioxide is extracted from the cyclonic fluid separator and provided as a mixture to the separation vessel. The mixture is then guided through the tubular section towards the collecting tank while providing processing conditions such that solid carbon dioxide is formed. Finally, solidified carbon dioxide is extracted. | 01-27-2011 |
20110041548 | METHOD AND APPARATUS FOR PROTECTIVE ATMOSPHERE RECYCLING - A recycling apparatus for spent protective atmosphere gas contaminated with fouling organic decomposition byproduct materials. The recycling apparatus includes a compressor having an inlet connected to a spent protective atmosphere gas supply line, and a solvent supply configured to supply solvent to a gas passage at or upstream of the compressor. The recycling apparatus also includes a first chamber connected to an outlet of the compressor, where the first chamber is configured to receive compressed gas from the compressor and to collect a mixture including the solvent and any contaminants entrapped or dissolved in the solvent. | 02-24-2011 |
20110056239 | Method And Device For Cryogenically Separating A Mixture of Hydrogen And Carbon Monoxide - A process and a device for the cryogenic separation of a mixture of hydrogen and carbon monoxide, in particular of a mixture having, as main components, hydrogen and carbon monoxide is presented. | 03-10-2011 |
20110138852 | Method of Obtaining Carbon Dioxide From Carbon Dioxide-Containing Gas Mixture - Disclosed are methods of obtaining carbon dioxide from a CO | 06-16-2011 |
20110138853 | Process For Generating And Separating A Hydrogen-Carbon Monoxide Mixture By Cryogenic Distillation - A process and to an apparatus for the generation and separation of a mixture of hydrogen and carbon monoxide is provided. | 06-16-2011 |
20110167866 | SYSTEM AND METHOD FOR SEPARATING GASSES IN AN EXHAUST GAS - A system is provided for separating carbon dioxide emitted in exhaust gas from nitrogen gas. A compressor may be used for compressing the emitted exhaust gas and a heat exchanger may be used for cooling the compressed exhaust gas to liquid carbon dioxide temperatures. The liquid carbon dioxide may be separated from the compressed nitrogen gas and stored. A turbine may use the compressed nitrogen gas to drive the compressor, while further cooling the compressed nitrogen to cryo-temperatures. Heat exchangers may be used for transferring heat energy from emitted exhaust and the compressed exhaust to the cold compressed nitrogen, thus, conserving energy of the system. | 07-14-2011 |
20110167867 | PROCESS FOR REMOVING CONDENSABLE COMPONENTS FROM A FLUID - A protocol for removing condensables from a fluid. The fluid, as an example an acid gas stream captured for EOR or CCS purposes, is initially treated to condense liquids with removal to form a gas stream. The latter is then compressed and cooled. At least a portion of this is then expanded, to form a cooled low pressure stream, and mixed with the initial fluid stream to augment cooling and condensation of condensable components. | 07-14-2011 |
20110192190 | PROCESS FOR REMOVING GASEOUS CONTAMINANTS FROM A FEED GAS STREAM COMPRISING METHANE AND GASEOUS CONTAMINANTS - The invention provides a process for removing gaseous contaminants from a feed gas stream which comprises methane and gaseous contaminants, the process comprising: 1) providing the feed gas stream; 2) cooling the feed gas stream to a first temperature at which liquid phase contaminant is formed as well as a methane enriched gaseous phase; 3) separating the two phases obtained in step 2) by means of a first gas/liquid separator; 4) cooling the methane enriched gaseous phase obtained in step 3) at least party by means of an external refrigerant to a second temperature at which liquid phase contaminant is formed as well as a methane enriched gaseous phase; and 5) separating the two phases obtained in step 4) by means of a second gas/liquid separator. The invention further concerns a device for carrying out the present process, the purified gas stream, and a process for liquefying a feed gas stream. | 08-11-2011 |
20110192191 | HIGH PRESSURE PHYSICAL ABSORPTION PROCESS FOR USE IN CARBON CAPTURE IN ENERGY PRODUCTION PROCESSES - A process for at least partly regenerating a first absorption solvent stream, at high pressure, and loaded with a dissolved gaseous component X; comprising the following steps: contacting a feed gas stream with a lean second absorption solvent stream thereby producing a rich second solvent stream and a stripping gas stream that has a lower concentration of X than said feed gas stream; heating at least part of said rich second solvent stream by up to 100° C. before or during contacting it with a part of said stripping gas stream to produce a regenerated second solvent stream; and regenerating the loaded first solvent stream by contacting this stream with a further part of said stripping gas stream to yield a regenerated first solvent stream. | 08-11-2011 |
20110203313 | SEPARATION OF CARBON DIOXIDE AND HYDROGEN - A process for separating a synthesis gas stream into a hydrogen (H | 08-25-2011 |
20110203314 | Configurations And Methods Of High Pressure Acid Gas Removal - Acid gas is removed from a feed gas using a physical solvent that is regenerated using successive flashing stages after heating of the rich solvent using low-level waste heat that is preferably produced or available within the acid gas removal plant. Especially preferred waste heat sources include compressor discharges of the refrigeration system and/or recompression system for CO2, and/or (low level) heat content from the feed gas. | 08-25-2011 |
20110209497 | SYSTEM AND METHOD OF CARBON CAPTURE AND SEQUESTRATION - Systems and methods of capturing and sequestering carbon dioxide, comprising mixing a substantially non-aqueous solvent and an alkali such that the solvent and alkali form a solvent suspension, mixing water and a flue gas containing carbon dioxide with the solvent suspension such that a reaction occurs, the reaction resulting in the formation of a carbonate, water and heat. | 09-01-2011 |
20110239700 | Method of Obtaining Carbon Dioxide From Carbon Dioxide-Containing Gas Mixture - Disclosed are methods of obtaining carbon dioxide from a CO | 10-06-2011 |
20110265512 | CARBON DIOXIDE CAPTURE FROM POWER OR PROCESS PLANT GASES - The present invention are methods for removing preselected substances from a mixed flue gas stream characterized by cooling said mixed flue gas by direct contact with a quench liquid to condense at least one preselected substance and form a cooled flue gas without substantial ice formation on a heat exchanger. After cooling additional process methods utilizing a cryogenic approach and physical concentration and separation or pressurization and sorbent capture may be utilized to selectively remove these materials from the mixed flue gas resulting in a clean flue gas. | 11-03-2011 |
20110271713 | Purification of Carbon Dioxide - Impure carbon dioxide (“CO | 11-10-2011 |
20110283737 | PROCESS FOR SEPARATING GASES AT CRYOGENIC TEMPERATURES - The invention relates to a process employing a multi-directional heat pump and a cryo-trap to separate gases. One embodiment relates to a process that includes heating a gaseous stream comprising carbon dioxide, hydrogen, and a push gas to produce a first intermediate stream comprising an amount of methane; contacting the first intermediate stream with a first trapping material to remove an amount of a component selected from the group consisting of oxygen, water, nitrogen, carbon dioxide, and combinations thereof from the first intermediate stream to produce a second intermediate stream; introducing the second intermediate stream to a separation zone comprising a surface of a second trapping material; employing a multi-directional heat pump to maintain the separation zone at a retaining temperature; retaining methane in the separation zone, while purging hydrogen from the separation zone; employing the multi-directional heat pump to adjust the separation zone to a releasing temperature; and releasing methane from the separation zone. | 11-24-2011 |
20110296867 | Hydrocarbon Gas Processing - A process and an apparatus are disclosed for removing carbon dioxide from a hydrocarbon gas stream. The gas stream is cooled, expanded to intermediate pressure, and supplied to a fractionation tower at a top column feed position. The tower overhead vapor stream is compressed to higher pressure and cooled to partially condense it, forming a condensed stream. The condensed stream is expanded to intermediate pressure, used to subcool a portion of the tower bottom liquid product, then supplied to the tower at a mid-column feed position. The subcooled portion of the tower bottom liquid product is expanded to lower pressure and used to cool the compressed overhead vapor stream. The quantities and temperatures of the feeds to the fractionation tower are effective to maintain the overhead temperature of the fractionation tower at a temperature whereby the major portion of the carbon dioxide is recovered in the tower bottom liquid product. | 12-08-2011 |
20110296868 | CO2 Recovery Method Using Cryo-Condensation - The present invention relates to a method of capturing carbon dioxide in a fluid comprising at least one compound more volatile than carbon dioxide CO2, for example methane CH4, oxygen O2, argon Ar, nitrogen N2, carbon monoxide CO, helium He and/or hydrogen H2. | 12-08-2011 |
20110296869 | SEPARATION OF GASES PRODUCED BY COMBUSTION - The present invention is directed to a method and a system for separating gas components of a combustion gas. A compressible feed stream derived from a combustion gas that contains at least one target compressible component and at least one non-target compressible component is mixed in a substantially co-current flow with an incompressible fluid stream comprising an incompressible fluid in which the target component(s) is/are capable of being preferentially absorbed. Rotational velocity is imparted to the mixed streams, separating an incompressible fluid in which at least a portion of the target component is absorbed from a compressible product stream containing the non-target compressible component(s). The compressible feed stream may be provided at a stream velocity having a Mach number of at least 0.1. | 12-08-2011 |
20110302956 | Rare Gases Recovery Process For Triple Column Oxygen Plant - The present invention is a process for recovering rare gases from a multiple column oxygen plant, wherein the multiple column oxygen plant comprises a higher pressure column, a lower pressure column, a middle pressure intermediate column, and a low pressure intermediate column, said middle pressure intermediate column comprising a first bottom reboiler and said low pressure intermediate column comprising a second bottom reboiler. The process includes providing a first oxygen rich liquid stream containing rare gases from the higher pressure column, wherein said first oxygen rich liquid stream is introduced to the first bottom reboiler. The process also includes removing a second oxygen rich liquid stream rich in rare gases from the bottom of the middle pressure intermediate column, wherein said second oxygen rich liquid stream is introduced to the low pressure intermediate column. The process also includes removing a first liquid purge stream concentrated in rare gases is removed from the low pressure intermediate column, wherein said first liquid purge stream is further concentrated downstream. And the process includes removing a third oxygen rich liquid stream lean in rare gases at a location that is at least one tray above the first bottom reboiler, wherein said third oxygen rich liquid stream is introduced to the lower pressure column. | 12-15-2011 |
20120000243 | SEPARATION OF CARBON DIOXIDE AND HYDROGEN - A process is described for removing carbon dioxide from a synthesis gas feed stream in a cryogenic separation plant. In an example described the synthesis gas feed stream ( | 01-05-2012 |
20120006054 | CARBON DIOXIDE CAPTURE AND LIQUEFACTION - An energy-efficient method of recovering carbon dioxide (CO | 01-12-2012 |
20120031143 | PROCESS AND APPARTUS FOR REMOVING GASEOUS CONTAMINANTS FROM GAS STREAM COMPRISING GASEOUS CONTAMINANTS - An apparatus and process for removing gaseous contaminants from a feed gas comprising methane and gaseous contaminants, in which the feed gas is cooled to obtain a slurry comprising solid contaminant, liquid contaminant and a methane enriched gaseous phase. The slurry is introduced into a separation device from which the methane enriched gaseous phase is removed. The slurry is diluted with liquid contaminant and passed through a heat exchanger wherein solid contaminant is melted into liquid contaminant. A stream comprising liquid contaminant is removed from the separation device at a position below the slurry level in the separation device by means of a pump and at least part of the removed liquid contaminant is recovered as a stream product and at least part is recycled and introduced into the separation device to dilute the slurry inside the separation device. | 02-09-2012 |
20120031144 | Cryogenic System For Removing Acid Gases From A Hydrocarbon Gas Stream, and Method of Removing Acid Gases - A system for removing acid gases from a raw gas stream the system includes a cryogenic distillation tower. The tower receives and separates the raw gas stream into an overhead methane stream and a bottom liquefied acid gas stream. Refrigeration equipment downstream of the cryogenic distillation tower cools the overhead methane stream and returns a portion of the overhead methane stream to the cryogenic distillation tower as liquid reflux. The system also may include a first molecular sieve bed upstream of the distillation tower and a second molecular sieve bed downstream of the distillation tower. The first molecular sieve bed adsorbs water while the second molecular sieve bed adsorbs additional acid gases from the cooled overhead methane stream. | 02-09-2012 |
20120042691 | VAPOR RECOVERY SYSTEM UTILIZING COMPRESSION-CONDENSATION PROCESSES AND RELATED METHODS - An off gas extraction system cleans common sources of off gas, such as storage tanks and polluted soils. Off gas is extracted, followed by compression and condensation. Compression and condensation produce an off gas that can be reintroduced as a treated gas into the off gas source. Alternatively, a regenerative absorber cleans the treated gas by adsorbing residual chemical vapor and concentrates the removed chemical vapors and reprocesses them. If the treated gas is not reintroduced into the off gas source, conventional scrubbers may used on the back end of the system to produce a final exhaust as prescribed by environmental regulation. Methods of accomplishing the same are similarly provided, including novel methods for degassing storage tanks and treating polluted soils to meet current environmental regulations, as well as green technology and sustainability initiatives. | 02-23-2012 |
20120079851 | HIGH EFFICIENCY SLUG CONTAINING VAPOR RECOVERY - A slug-containing vapor recovery system wherein pressure and/or fluid level sensors are provided which monitor for conditions caused by the entry of a slug of hydrocarbon liquid, including that caused by a plunger-lift system. The system can be configured to accommodate virtually any anticipated slug-events. | 04-05-2012 |
20120085125 | METHOD AND DEVICE FOR SEPARATING ARGON FROM A GAS MIXTURE - The invention relates to a method and to a device for separating argon from a gas mixture. The method comprises the method steps of collecting the gas mixture, separating the oxygen present in the gas mixture, drying the gas mixture, and cryogenically purifying the remaining gas mixture for separating the argon in liquid form. The device for performing the method according to the invention comprises a collector for the gas mixture, a component for catalytic and/or adsorptive separation of oxygen from the gas mixture, a component for drying the gas mixture, and a system for cryogenically purifying the gas mixture and separating the argon in liquid form. | 04-12-2012 |
20120085126 | LOW ENERGY DISTILLATION SYSTEM AND METHOD - A distillation system for separating components fluid feed includes a stripper and a rectifier. The stripper includes an inlet to receive a feed of fluid a compressor in fluid communication with a more volatile portion of the fluid within the stripper to provide an output feed, and a reboiler in fluid communication with a less volatile portion of fluid within the stripper. The rectifier receives the output feed and includes a condenser in fluid communication with a more volatile portion of the output feed from the compressor, the condenser including an exit to remove at least one component from the more volatile portion of the output feed, and an outlet to recycle a less volatile portion of the output feed back to the stripper. Heat pipes transfer thermal energy from the rectifier to the stripper. | 04-12-2012 |
20120090352 | Methods And Apparatus For An Oxy-Fuel Based Power Cycle - Methods and apparatus for an oxy-fuel combustion power cycle are provided, including converting gaseous carbon dioxide to liquid and/or supercritical carbon dioxide which may include the use of a cryogenic pump, removing a portion of the liquid and/or supercritical carbon dioxide from the cycle, combusting oxygen and a combustion fuel with the remaining liquid and/or supercritical carbon dioxide in an oxy-fuel combustor to generate steam and additional liquid and/or supercritical carbon dioxide which replaces the portion of the liquid and/or supercritical carbon dioxide sequestered from the cycle. | 04-19-2012 |
20120090353 | Process For The Recovery Of A Concentrated Carbon Dioxide Stream - A concentrated carbon dioxide stream is produced during a hydrogen pressure swing adsorption unit cycle by fractionating the carbon dioxide removed from the adsorbent in the adsorption beds during the regeneration of the adsorption beds. Thereby providing a cost efficient process for producing merchant carbon dioxide. | 04-19-2012 |
20120090354 | Plate Heat Exchanger with Exchanging Structure Forming Several Channels in a Passage - A heat exchanger with brazed plates including a stack of parallel plates defining a plurality of generally flat fluid circulating passages, closure bars which delimit the passages and distributing means for distributing a fluid to each passage of a first series of passages and means for conveying another fluid to a second series of passages where at least one passage contains organized exchanging structures which form a plurality of channels in the width of the passage and also at least three channels in the height of the passage is provided. The invention is useful for air separation by cryogenic distillation. | 04-19-2012 |
20120118009 | RECOVERY OF GREENHOUSE GAS AND PRESSURIZATION FOR TRANSPORT - A system for isolating a greenhouse gas from an exhaust gas includes a vessel having an inlet to receive an exhaust gas, and an outlet to discharge a process stream, an adsorbent contained in the vessel to selectively adsorb the greenhouse gas from the exhaust gas under suitable conditions, and a heat source to heat the adsorbent and desorb the adsorbed greenhouse gas therefrom to produce a process stream of greenhouse gas for release through the outlet. | 05-17-2012 |
20120118010 | SEPARATION OF CARBON DIOXIDE AND HYDROGEN - A process is described for separating a gas stream containing hydrogen sulfide (H | 05-17-2012 |
20120137727 | Membrane-Augmented Distillation with Compression and Condensation to Separate Solvents from Water - Disclosed herein are processes for removing water from organic solvents, such as ethanol. The processes include distillation in two columns operated at sequentially higher pressure, followed by treatment of the overhead vapor by one or two membrane separation steps. | 06-07-2012 |
20120137728 | AUTO-REFRIGERATED GAS SEPARATION SYSTEM FOR CARBON DIOXIDE CAPTURE AND COMPRESSION - A system and method for capturing and separating carbon dioxide from mixed gas streams. The gas stream is processed in a structure including a compression module comprising a plurality of compressors, intercoolers and inter-stage condensate separators. The flow path from the compression module includes a plurality of flow separators, gas stream splitters, heat exchangers and at least a first mixer and a first expander. The gas stream is sequentially compressed and cooled to form process condensate and separate it from the compressed gas stream. The gas stream is further dried and cooled to liquefy carbon dioxide and separate it from the non-condensable portion. Selective expansion of liquid carbon dioxide streams provides cooling for the system, and further energy efficiency is achieved by selective recycling of portions of gas streams, allowing for compact equipment and economical operation, while providing for high purity product streams of carbon dioxide. | 06-07-2012 |
20120144860 | PROCESS FOR REMOVING HARMFUL SUBSTANCES FROM LIQUID CARBON DIOXIDE AND APPARATUS FOR THE PERFORMANCE THEREOF - A process for removing harmful substances from a gas steam which includes carbon dioxide and substances of value, such as at least one of the gases hydrogen H | 06-14-2012 |
20120167620 | METHOD AND SYSTEM FOR SEPARATING CO2 FROM SYNTHESIS GAS OR FLUE GAS - The present invention provides a method and system for separating CO2 from a gas stream containing CO2. A gas stream having an initial pressure is compressed and subsequently cooled. The compressed and cooled gas stream has an increased pressure and reduced temperature at which the CO2 in the gas stream is at least partially converted to the liquid phase. The liquid phase is separated from the compressed and cooled gas stream, to provide a liquid phase stream and a gas phase stream, wherein the output pressure of the liquid phase stream is higher than the initial pressure of the gas stream. | 07-05-2012 |
20120174622 | SYSTEM FOR GAS PROCESSING - A power plant for the generation of electrical energy with a system ( | 07-12-2012 |
20120174623 | METHOD AND SYSTEM FOR EXTRACTING A SUBSTANCE BY MEANS OF ANTI-SUBLIMATION AND MELTING - The invention provides a method and a system for extracting a substance comprised in a gaseous mixture, the extraction being carried out in a cyclic manner in 2N chambers (AA, BB, CC, DD), each provided with a heat-exchanger (A, B, C, D), N being an integer greater than or equal to 3. Each chamber carries out a cycle comprising the following four steps in succession: a frosting step, a defrosting step, a step of recovering the liquid phase and the residual gas phase, and a temperature-reduction step of reducing the temperature of the heat-exchanger. Further, sequencing the passage from one step to another in each of the chambers is such that the number of chambers carrying out the frosting step and also the total number of chambers carrying out the defrosting, recovery, and temperature-reduction steps are both equal to N. | 07-12-2012 |
20120180521 | Flue Gas Scrubbing with Aqueous Ammonia - A system for scrubbing acid gases from a gas stream, and particularly adapted for scrubbing CO2 from flue gas and recovering the CO2 at high pressure and good purity using an aqueous scrubbing medium such as aqueous ammonia scrubbing solution. A scrubber, regenerator, and stripper are provided, with each having two parts that are each multistage countercurrent vapor-liquid contactors. The required compression energy is minimized by providing necessary refrigeration from an ammonia absorption refrigeration plant that is powered by heat extracted from the gas being scrubbed. The amount of reboil required for the regenerator and stripper is minimized by providing internal heat exchangers (non-adiabatic distillation) in those components. | 07-19-2012 |
20120204599 | CRYOGENIC SYSTEM FOR REMOVING ACID GASES FROM A HYDROCARBON GAS STREAM, WITH REMOVAL OF HYDROGEN SULFIDE - A system for removing acid gases from a raw gas stream includes an acid gas removal system (AGRS) and a sulfurous components removal system (SCRS). The acid gas removal system receives a sour gas stream and separates it into an overhead gas stream comprised primarily of methane, and a bottom acid gas stream comprised primarily of carbon dioxide. The sulfurous components removal system is placed either upstream or downstream of the acid gas removal system. The SCRS receives a gas stream and generally separates the gas stream into a first fluid stream comprising hydrogen sulfide, and a second fluid stream comprising carbon dioxide. Where the SCRS is upstream of the AGRS, the second fluid stream also includes primarily methane. Where the SCRS is downstream of the AGRS, the second fluid stream is principally carbon dioxide. Various types of sulfurous components removal systems may be utilized. | 08-16-2012 |
20120216564 | APPARATUS AND PROCESS FOR RECOVERING VOLATILE LIQUIDS - The present invention relates to an apparatus and method for recovering volatile liquids collected in volatile storage tanks (T). The apparatus comprises absorption and condensation chambers ( | 08-30-2012 |
20120222447 | Tubular Condensers Having Tubes with External Enhancements - Improvements in tubes, which increase the heat exchange capacity of tubular heat exchangers using the tubes, are described. These improvements involve the use of one or more external surface enhancements, optionally combined with an internal enhancement and/or differing tube geometries. These improvements apply, for example, to internal condensers, including those in which the tube bundles are oriented vertically, in vapor-liquid contacting apparatuses such as distillation columns. | 09-06-2012 |
20120222448 | METHOD FOR PURIFYING 2,3,3,3-TETRAFLUOROPROPENE - The present invention provides a method for purifying HFO-1234yf, comprising the steps of (1) cooling a liquid mixture containing HFO-1234yf and HF to separate the mixture into a upper liquid phase having a high concentration of HF and a lower liquid phase having a high concentration of 2,3,3,3-tetrafluoropropene; and (2) subjecting the lower liquid phase obtained in step (1) to a distillation operation to withdraw a mixture containing HFO-1234yf and HF from a top of a distillation column, thereby obtaining substantially HF-free HFO-1234yf from a bottom of the distillation column. According to the present invention, HF and HFO-1234yf contained in a mixture containing HF and HFO-1234yf can be separated under simple and economically advantageous conditions. | 09-06-2012 |
20120227440 | System And Process For The Physical Absorption of Carbon Dioxide From a Flue Gas Stream - Disclosed herein is a system comprising a first heat exchanger; the first heat exchanger being operative to reduce a temperature of a carbon dioxide rich flue gas stream to about −100 to about −60 C; an absorber; the absorber being located downstream of the first heat exchanger; wherein the absorber facilitates contact between the flue gas stream and a solvent to form a carbon dioxide rich solvent stream; the solvent being operative to selectively absorb carbon dioxide over other gases present in the flue gas stream; and a valve; the valve being located downstream of the absorber; the valve being operative to reduce a pressure on the carbon dioxide rich solvent stream to produce carbon dioxide and a lean carbon dioxide solvent stream. | 09-13-2012 |
20120227441 | HIGH PRESSURE HIGH CO2 REMOVAL CONFIGURATIONS AND METHODS - CO2 is removed from high-pressure feed gas in configurations and methods according to the inventive subject matter by contacting feed gas with cooled semi-rich solvent to form a two-phase mixture that is flashed into the bottom section of an absorber. Rich solvent from the absorber is then reduced in pressure to generate refrigeration for the semi-rich solvent and lean solvent countercurrently contacts the partially treated feed gas in the absorber to produce the semi-rich solvent. Among other advantages, cooling of the feed gas and semi-rich solvent by the pressure reduced rich solvent heats the rich solvent to allow enhanced regeneration of the solvent, and external refrigeration and heating of the solvent can be entirely avoided. | 09-13-2012 |
20120240619 | METHOD AND DEVICE FOR TREATING A CARBON-DIOXIDE-CONTAINING GAS FLOW, WHEREIN THE ENERGY OF THE VENT GAS (WORK AND COLD DUE TO EXPANSION) IS USED - The invention relates to a method and a device for treating a carbon-dioxide-containing gas stream, in particular from a large-scale fired plant, e.g. from a power plant. The precompressed gas stream is separated in a carbon dioxide purification stage into a gas substream having an elevated carbon dioxide content (carbon dioxide product stream) and a gas substream having a decreased carbon dioxide content (vent gas stream). The carbon dioxide product stream is fed to further utilization and/or storage. In particular, by injecting the carbon dioxide underground, the emission of gases harmful to the climate can be reduced. For improving the energy efficiency, it is proposed that the vent gas stream is expanded in at least one expansion turbine and both the resultant kinetic energy and the resultant refrigeration are utilized for energy recovery. For utilizing the kinetic energy, the expansion turbine can be coupled to a compressor (booster) which compresses the crude gas stream and/or the carbon dioxide product stream. For utilizing the refrigeration generated in the expansion, the at least partially expanded vent gas stream can be brought into heat exchange with process streams which are to be cooled, e.g. the crude gas stream and/or the carbon dioxide product stream. | 09-27-2012 |
20120272680 | METHOD AND APPARATUS FOR DRYING AND COMPRESSING CO2-RICH FLOW - In a method for compressing a water-containing CO2-rich fluid wherein the CO2-rich fluid is compressed in a compressor located upstream from the compression step, an antifreeze agent is injected into the water-containing CO2-rich fluid in order to lower the water solidification temperature. The antifreeze agent-containing CO2-rich fluid is frozen, water is extracted from the frozen fluid, and the frozen fluid is compressed in the compressor. | 11-01-2012 |
20120279254 | METHOD FOR CRYOGENICALLY SEPARATING A MIXTURE OF NITROGEN AND CARBON MONOXIDE - A method for separating a feed gas, containing nitrogen and carbon monoxide as main components, in a distillation column: the feed gas is cooled in a heat exchanger; at least a portion of the feed gas, or at least a portion of a gas derived from the feed gas, is sent to a reboiler of the distillation column so as to condense the gas while producing a liquid, and optionally a gas; at least a portion of the liquid is sent to the distillation column; a nitrogen gas-rich flow is extracted from the distillation column; a carbon monoxide-rich flow is extracted from the distillation column, heated in the heat exchanger, and compressed so as to provide a carbon monoxide-rich material at production pressure. | 11-08-2012 |
20120285194 | DRY DUST REMOVAL METHOD IN ORGANIC CHLOROSILANE PRODUCTION - Dry dust removal method in organic chlorosilane production is provided, in which the detailed steps are as follows: delivering high-temperature flue gas (a) from fluidized bed reactor (I) into inorganic film cross-flow filter (E) to remove dust for the first time; delivering the concentrated dust gas (c) trapped by inorganic film cross-flow filter (II) into bag filter (III) to remove dust for the second time; returning the gas mixture (f) of passing through bag filter (EI) to the air intake of inorganic film cross-flow filter (II); condensing the residual clean gas (b) from the osmotic side of inorganic film in condenser (A), and then rectifying in rectifying column (B) to separate the products of chloromethane (g) and methyl chlorosilane (h) to obtain the product of methyl chlorosilane (h); returning chloromethane to fluidized bed reactor to take part in reaction; retreating the dust (e) trapped by inorganic film cross-flow filter and bag filter, and then returning it to fluidized bed reactor (I) to take part in reaction. | 11-15-2012 |
20120285195 | SEPARATION OF GASES - A method of separating a carbon-dioxide-rich liquid stream from a synthesis gas including carbon dioxide and hydrogen, includes carrying out a first cooling step to cool a synthesis gas feed stream using at least one heat exchanger such that a first two-phase mixture is formed. The first two-phase mixture is passed at a first pressure and a first temperature to a first separator and a first separation is carried out to separate the first mixture into a first CCVrich liquid stream and a H2-Hcli gas stream. The H2-rich gas stream is pressurised and a second cooling step is carried out to cool the H2-rich gas stream using at least one heat exchanger such that a second two-phase mixture is formed. The second mixture is passed at a second pressure and a second temperature to a second separator, the second pressure being higher than the first pressure and a second separation is carried out to separate the second mixture into a second CO2-rich liquid stream and a further H2-rich gas stream. Preferred examples further include the step of expanding at least one of the separated H2-rich vapour streams to recover mechanical work and/or to cool the H2-rich stream and subsequently using the expanded H2-rich stream as a coolant in the separation system. | 11-15-2012 |
20120291480 | LIQUID CARBON DIOXIDE REFRIGERATION SYSTEM - A liquid carbon dioxide refrigeration system is provided. The refrigeration system may include a storage tank arranged for storing liquid carbon dioxide, and a vessel arranged to separate carbon dioxide into a vapor carbon dioxide portion and a liquid carbon dioxide portion. A first conduit is coupled to the storage tank and the first vessel such that liquid carbon dioxide can pass from the storage tank to the first vessel. A second conduit is coupled to the first vessel such that the liquid carbon dioxide portion can pass into a refrigeration device, and a third conduit is coupled to the first vessel and the first conduit to recycle the vapor carbon dioxide portion back to the first conduit. The third conduit may include a refrigeration package to compress and liquefy the vapor carbon dioxide portion | 11-22-2012 |
20120297821 | SYSTEMS AND METHODS FOR SEPARATING CONDENSABLE VAPORS FROM LIGHT GASES OR LIQUIDS BY RECRUPERATIVE CRYOGENIC PROCESSES - Methods and systems of the current invention separate condensable vapors such as carbon dioxide from light gases or liquids in a mixed process stream. The separation is carried out in a cryogenic process using one or more external cooling loops (ECLs) that first cool down a mixed process stream containing condensable vapors and light gases or liquids, causing the condensable vapors to desublimate and form solids. Next, the solids are separated from the light gases or liquids, forming a solid stream and a light gas or liquid stream. Then the refrigerants of the ECL are cooled by warming the separated solid stream and light gas or liquid stream, efficiently recovering energy used in cooling and desublimating the condensable vapors. | 11-29-2012 |
20120297822 | SEPARATION OF GASES - A process for separating sour shifted synthesis gas feedstock into liquid carbon dioxide, a gaseous hydrogen-containing gas and separated sulphur-containing components includes the steps of a. scrubbing the sour shifted gas elevated pressure with an alcohol solvent in a first scrubber and separately recovering an alcohol stream containing the sulphur-containing components and a sweet shifted gas; b. thereafter cooling the sweet shifted gas to a temperature and elevated pressure at which the carbon dioxide contained therein condenses and a two-phase gas- liquid mixture is formed; c. separating the two-phase mixture of stage (b) into separate liquid carbon dioxide and gaseous hydrogen-containing fractions in a fractionation unit; d. extracting residual carbon dioxide from the separated gaseous hydrogen-containing fraction by scrubbing the gaseous hydrogen-containing fraction at elevated pressure with an alcohol solvent in a second scrubber and recovering an alcohol stream containing carbon dioxide; e. feeding the alcohol stream containing carbon dioxide produced in step (d) to the first scrubber and f. warming and expanding the scrubber gaseous hydrogen-containing fraction using at least one heat exchanger to exchange heat with the mixture of step (b) and at least one turbo-expander capable of recovering mechanical work. The process described may be used in for example Integrated Gasification Combined Cycles (IGCC) where the source of fuel is coal or low grade carbon sources such as lignite, tar sands and shale oil. | 11-29-2012 |
20120304688 | REFINERY GAS UPGRADING VIA PARTIAL CONDENSATION AND PSA - A process and system for recovering valuable by-products (e.g., hydrogen) from refinery gas streams. For hydrogen-only recovery, the invention comprises a partial condensation step to upgrade the refinery fuel gas to a minimum of 60% hydrogen, which is further purified in a pressure swing adsorption process. When configured to recover hydrogen, methane-rich gas and raw LPG (methane depleted gas containing C2 hydrocarbons and heavier), the invention comprises two partial condensation steps where the feed is cooled in the first step to allow separation of ethane and heavier hydrocarbons, and the resulting vapor is cooled to a lower temperature in a second step for hydrogen recovery. | 12-06-2012 |
20120304689 | Method for Separating a Cleaned Useful Gas From a Gas Mixture, and Device for Carrying Out Said Method - A method is provided for separating a cleaned useful gas from a gas mixture substantially containing carbon dioxide, at least one useful gas, and at least one hazardous substance. The carbon dioxide is condensed, and the liquid carbon dioxide that is enriched with the hazardous substance is separated from the useful gas. The hazardous material is then separated from the liquid carbon dioxide by adsorption, and one part of the cleaned liquid carbon dioxide is fed into the useful gas to absorb hazardous substances still contained in the useful gas. | 12-06-2012 |
20130000349 | APPARATUS AND METHODS FOR THE RECOVERY OF HYDROCARBONACEOUS AND ADDITIONAL PRODUCTS FROM OIL SHALE AND SANDS VIA MULTI-STAGE CONDENSATION - A system for recovering products from a gas stream comprises a cooled chamber having an inlet that feeds the gas stream to a plurality of sequential conduit loops within the chamber. A critical orifice follows each loop, and each loop includes an output port. Based upon the physical characteristics of each loop, the sizing of the critical orifice following the loop, and the temperature within the chamber, different products are condensed from the gas stream through the output ports. The system may be configured to condense hydrocarbonaceous products such as ethane, propane, butane or methane, as well as fundamental products such as carbon dioxide, nitrogen or hydrogen. Gaseous products may be stored in gas or liquid form or vented to atmosphere depending upon amount, purity, and so forth. | 01-03-2013 |
20130036764 | APPARATUS AND PROCESS FOR THE SEPARATION OF GASES USING SUPERSONIC EXPANSION AND OBLIQUE WAVE COMPRESSION - The disclosure provides an apparatus and method for gas separation through the supersonic expansion and subsequent deceleration of a gaseous stream. The gaseous constituent changes phase from the gaseous state by desublimation or condensation during the acceleration producing a collectible constituent, and an oblique shock diffuser decelerates the gaseous stream to a subsonic velocity while maintain the collectible constituent in the non-gaseous state. Following deceleration, the carrier gas and the collectible constituent at the subsonic velocity are separated by a separation means, such as a centrifugal, electrostatic, or impingement separator. In an embodiment, the gaseous stream issues from a combustion process and is comprised of N | 02-14-2013 |
20130047665 | Process and Apparatus for Producing Hydrogen and Carbon Monoxide - Apparatus and process for producing a hydrogen-containing product stream and a carbon monoxide-containing product stream from a crude synthesis gas produced in a syngas production unit. Carbon dioxide is removed from the process gas by a non-cryogenic means and the hydrogen-containing product stream is separated from the process gas in a pressure swing adsorber. Residual gas from the pressure swing adsorber is passed to a cryogenic separation unit where the cryogenic separation unit separates the residual gas stream into the carbon monoxide-containing product stream, a hydrogen-enriched stream, a methane-enriched stream, and a carbon monoxide-containing intermediate stream by cryogenic fractionation. At least a portion of the hydrogen-enriched stream is recycled to the pressure swing adsorber. | 02-28-2013 |
20130055756 | CARBON DIOXIDE GAS RECOVERY DEVICE - A carbon dioxide gas recovery device is provided which includes an absorption tower causing an absorbent to absorb carbon dioxide gas to generate a rich absorbent and a regeneration tower regenerating a lean absorbent by heating the rich absorbent to separate carbon dioxide gas therefrom. The regeneration tower includes a reboiler system heating the absorbent led out from the regeneration tower and reintroducing the heated absorbent into the regeneration tower and a mixed gas cooling system cooling a mixed gas led out from the regeneration tower, condensing a vapor fraction of a solute and a solvent, reintroducing the condensed vapor fraction into the regeneration tower, and discharging carbon dioxide gas. The carbon dioxide gas recovery device further includes a heat pump as a heat source of an endothermic reaction in which carbon dioxide gas is separated from the rich absorbent in the regeneration tower. | 03-07-2013 |
20130098104 | METHOD AND SYSTEM FOR CONDENSING WATER VAPOUR FROM A CARBON DIOXIDE RICH FLUE GAS - A gas cleaning system is operative for removing water vapour from a carbon dioxide rich flue gas generated in a boiler combusting a fuel in the presence of a gas containing oxygen gas. The gas cleaning system comprises a flue gas condenser ( | 04-25-2013 |
20130098105 | Cryogenic Systems For Removing Acid Gases From A Hydrocarbon Gas Stream Using Co-Current Separation Devices - A system for removing acid gases from a raw gas stream is provided. The system includes a cryogenic distillation column. The cryogenic distillation column receives a dehydrated and chilled sour gas stream, and separates the sour gas stream into an overhead gas stream comprised primarily of methane, and a bottom acid gas stream comprised primarily of carbon dioxide. The system also includes a series of co-current contactors. The co-current contactors may be placed in series to receive the bottom acid gas stream and recapture any entrained methane gas. Alternatively or in addition, the co-current contactors may be placed in series to receive the overhead gas stream, and sweeten it using a reflux liquid such as methane. In this instance, the sweetened gas is optionally liquefied and delivered for commercial sale, or is used as fuel gas on-site. | 04-25-2013 |
20130111948 | Purification of Carbon Dioxide - Refrigeration duty in a carbon dioxide purification unit (CPU) operating at elevated pressure and sub-ambient temperature can be provided in at least a first part by indirect heat exchange against at least latent heat of at least one liquid first refrigerant, preferably carbon dioxide liquid(s) produced in the CPU, thereby typically evaporating the liquid(s), and a second part by indirect heat exchange with sensible heat energy alone of a second refrigerant. The second refrigerant may be nitrogen gas imported from an integrated cryogenic air separation unit (ASU) or carbon dioxide liquid exported from the CPU, cooled and returned to the CPU. One advantage is that total power consumption of the CPU and an integrated ASU is reduced. | 05-09-2013 |
20130111949 | Carbon Dioxide Purification - A process for the recovery of carbon dioxide from a gas mixture that includes pretreating a gas mixture comprising carbon dioxide, water vapor, and one or more light gases in a pretreating system to form a cooled gas mixture, fractionating the cooled gas mixture to recover a bottoms fraction comprising carbon dioxide and an overheads fraction comprising carbon dioxide and the light gases, passing the overheads fraction over a membrane selective to carbon dioxide to separate a carbon dioxide permeate from a residue gas comprising the light gases, recycling the carbon dioxide permeate to the pretreating system, and recovering at least a portion of the bottoms fraction as a purified carbon dioxide product stream is described. | 05-09-2013 |
20130118205 | SEPARATION OF A GAS MIXTURE - A method is described for use in the separation of carbon dioxide from a gas mixture comprising carbon dioxide. The method includes the steps of: (i) compressing and cooling the gas mixture using a compressor to form a two-phase mixture including liquid carbon dioxide (ii) separating a liquid carbon dioxide stream from the two-phase mixture; and (iii) recirculating at least a part of the liquid carbon dioxide stream and introducing the recirculated liquid stream into a process stream by recirculating separated liquid CO | 05-16-2013 |
20130133363 | HIGH PRESSURE RECOVERY OF CARBON DIOXIDE FROM A FERMENTATION PROCESS - The present invention relates to a method for recovering carbon dioxide from a gaseous stream originating from a fermentation process by compression, absorption, condensation and distillation, wherein at least the absorption and condensation is performed under a high pressure of at least 30 bar. | 05-30-2013 |
20130139545 | AERODYNAMIC SEPARATION NOZZLE - Multiple designs and methods for aerodynamic separation nozzles and systems for integrating multiple aerodynamic separation nozzles into a single system are disclosed herein. These aerodynamic separation nozzles utilize a combination of aerodynamic forces and separation nozzle structure to induce large centrifugal forces on the gases that in combination with the structure of the nozzle are used to separate heavier constituents of the process gas from lighter constituents. In some embodiments a number of separation nozzles are combined into a single system suitable for dynamic processing of a process gas. In other embodiments the separation nozzles are temperature controlled to condition the incoming gas to a temperature in order to encourage a phase change in certain constituents of the gas to occur within the nozzle to further enhance separation. | 06-06-2013 |
20130160488 | PROCESS AND APPARATUS FOR DRYING AND COMPRESSING A CO2-RICH STREAM - A process for compressing a CO2-rich fluid containing water. The CO2-rich fluid is compressed in a compressor; upstream of the compression step, an antifreeze is mixed with the CO2-rich fluid containing water. The CO2-rich fluid containing antifreeze is cooled, water is separated from the cooled fluid and the water-depleted cooled fluid is compressed in the compressor, wherein the CO2-rich fluid containing water is sent to a scrubbing column fed, preferably at the top, with a water/antifreeze mixture, where it cools and is separated from the water, the water-depleted cooled fluid is extracted from the top of the column; a water/antifreeze mixture in the column is extracted at a level below the top; the mixture is cooled using the refrigeration from an apparatus for cooling and/or purifying the cooled fluid compressed in the compressor and the fluid is returned to the top of the column. | 06-27-2013 |
20130167583 | METHOD AND INSTALLATION FOR LIQUEFYING FLUE GAS FROM COMBUSTION INSTALLATIONS - A method and a plant for producing liquid CO | 07-04-2013 |
20130205829 | PROCESS AND DEVICE FOR TREATING FLUE GASES - A process and a device for treating a carbon dioxide-containing flue gas stream are described. At least a part of the carbon dioxide present is removed from the flue gas stream by means of a scrubber, forming a low carbon dioxide gas stream and a high carbon dioxide gas stream. The high carbon dioxide and water-saturated gas stream formed from the flue gas stream after removal of the carbon dioxide is cooled by means of a refrigeration system | 08-15-2013 |
20130205830 | CRYOGENIC VARIABLE LIQUID PRODUCTION METHOD - A method of producing a liquid product stream, for example, a liquid nitrogen product stream, at a production rate that is selectively varied. This variation is produced in either a waste expansion or air expansion process by increasing the pressure and flow rate of the feed stream during periods in which a high rate of liquid production is desired without substantially increasing the pressure of the exhaust stream produced by a variable speed turboexpander. This increases the expansion ratio across the turboexpander and therefore the refrigeration supplied to increase liquid production. At the same time, the increase in flow rate prevents a decrease in the performance of the variable speed turboexpander. | 08-15-2013 |
20130233015 | CARBON DIOXIDE RECOVERY APPARATUS AND CARBON DIOXIDE RECOVERY METHOD - In one embodiment, a carbon dioxide recovery apparatus includes a heat exchanger which heats a first rich liquid, a flow divider which divides the first rich liquid heated by the heat exchanger into a second rich liquid and a third rich liquid, a first release device which heats the second rich liquid and discharges a first semi-lean liquid, a second release device which heats the third rich liquid and discharges a second semi-lean liquid, and a regeneration tower which heats the first and second semi-lean liquids to generate a lean liquid. The first release device heats the second rich liquid, using the lean liquid. The second release device heats the third rich liquid, using a carbon dioxide-containing steam discharged at the regeneration tower. The heat exchanger heats the first rich liquid, using the lean liquid which has passed through the first release device. | 09-12-2013 |
20130283852 | METHOD AND SYSTEMS FOR CO2 SEPARATION - A method for separating carbon dioxide (CO | 10-31-2013 |
20130298599 | METHOD FOR DRYING A WET CO2 RICH GAS STREAM FROM AN OXY-COMBUSTION PROCESS - A method for drying a wet CO | 11-14-2013 |
20130298600 | PROCESS AND APPARATUS FOR PRODUCTION OF AMMONIA SYNTHESIS GAS AND PURE METHANE BY CRYOGENIC SEPARATION - A process for the production of ammonia synthesis gas and pure methane by cryogenic separation of a feed gas containing at least 75% hydrogen as well as methane and nitrogen, the feed gas is cooled in a heat exchanger and partially condensed, the partially condensed feed is sent to a phase separator, the gas from the phase separator is sent to a nitrogen wash column, liquid nitrogen is sent to the top of the nitrogen wash column and ammonia synthesis gas is removed from the top of the nitrogen wash column, the liquid from the phase separator is expanded and sent to a separation column, a nitrogen enriched gas stream is removed from the top of the column and a nitrogen depleted liquid stream rich in methane is removed from the bottom of the column and the nitrogen depleted liquid stream rich in methane is vaporized to form a pure methane product. | 11-14-2013 |
20130312456 | METHOD OF RECOVERING AMMONIA AND METHOD OF RECYCLING AMMONIA BY USING THE SAME - There are provided methods capable of easily and efficiently recovering and recycling ammonia from exhaust gas containing a small amount of ammonia, the exhaust gas being exhausted from a production process of a gallium nitride compound semiconductor. The method of recovering ammonia includes filtering exhaust gas containing ammonia, hydrogen, nitrogen, and a solid compound with a filter to remove the solid compound from the exhaust gas; pressurizing and cooling the filtered exhaust gas with a heat pump to liquefy ammonia contained in the filtered exhaust gas; and separating liquefied ammonia from hydrogen and nitrogen to recover liquefied ammonia. The method of recycling ammonia includes evaporating recovered liquid ammonia; mixing the evaporated ammonia with another crude ammonia to obtain mixed gas; purifying the mixed gas; and supplying the purified gas to the production process of a gallium nitride compound semiconductor. | 11-28-2013 |
20130327086 | METHOD FOR THE SIMPLIFIED REMOVAL OF A REACTION PRODUCT FROM REACTION GAS MIXTURES USING AT LEAST TWO-FOLD PARTIAL CONDENSATION - The present invention relates to a process for simplified separation of a reaction product (P) from reaction gas mixtures by means of partial condensation of the reaction gas mixture consisting of the reaction product (P), at least one high boiler (H) and at least one low boiler (L). | 12-12-2013 |
20140000310 | SYSTEM AND METHOD FOR CRYOGENIC COOLING OF A PROCESS STREAM WITH ENHANCED RECOVERY OF REFRIGERATION | 01-02-2014 |
20140000311 | METHOD FOR CONTROLLING ACIDIC COMPOUNDS PRODUCED FOR OXY-COMBUSTION PROCESSES | 01-02-2014 |
20140007614 | SYSTEM AND METHOD FOR GAS TREATMENT - A system includes an acid gas removal (AGR) system configured to remove an acid gas from an untreated syngas to generate a treated syngas, a hydrogen separation system configured to receive the treated syngas to generate a non-permeate and a permeate, and an expander configured to expand the non-permeate to generate a cooled non-permeate. The AGR system includes a solvent chiller configured to cool a solvent via heat exchange with the cooled non-permeate. | 01-09-2014 |
20140007615 | SYSTEM AND METHOD FOR PURIFICATION OF SILANE USING LIQUID NITROGEN IN A POLYSILICON PRODUCTION PROCESS - A system and method for improved cryogenic cooling of process streams in polysilicon manufacturing is provided. The disclosed system and method provides for the cryogenic cooling of a silane and hydrogen process stream during the manufacture of polysilicon with concurrent recovery of refrigeration capacity from the vaporized nitrogen as well as the recovery of refrigeration capacity from the cold hydrogen stream. The improved cryogenic cooling system and method reduces the overall consumption of liquid nitrogen without sacrificing cooling performance of the cryogenic cooling of the silane and hydrogen process stream. | 01-09-2014 |
20140041412 | CARBON DIOXIDE CAPTURE AND LIQUEFACTION - An energy-efficient method of recovering carbon dioxide (CO | 02-13-2014 |
20140102134 | TUBULAR CONDENSERS HAVING TUBES WITH EXTERNAL ENHANCEMENTS - Improvements in tubes, which increase the heat exchange capacity of tubular heat exchangers using the tubes, are described. These improvements involve the use of one or more external surface enhancements, optionally combined with an internal enhancement and/or differing tube geometries. These improvements apply, for example, to internal condensers, including those in which the tube bundles are oriented vertically, in vapor-liquid contacting apparatuses such as distillation columns. | 04-17-2014 |
20140123700 | HEAT INTEGRATION FOR CRYOGENIC CO2 SEPARATION - The present invention relates to a flue gas treatment system for removing CO | 05-08-2014 |
20140137598 | Scrubber System With Moving Adsorbent Bed - A regenerative carbon dioxide removal system ( | 05-22-2014 |
20140144178 | OPTIMIZED HEAT EXCHANGE IN A CO2 DE-SUBLIMATION PROCESS - The present invention is a process for removing carbon dioxide from a compressed gas stream including cooling the compressed gas in a first heat exchanger, introducing the cooled gas into a de-sublimating heat exchanger, thereby producing a first solid carbon dioxide stream and a first carbon dioxide poor gas stream, expanding the carbon dioxide poor gas stream, thereby producing a second solid carbon dioxide stream and a second carbon dioxide poor gas stream, combining the first solid carbon dioxide stream and the second solid carbon dioxide stream, thereby producing a combined solid carbon dioxide stream, and indirectly exchanging heat between the combined solid carbon dioxide stream and the compressed gas in the first heat exchanger. | 05-29-2014 |
20140150493 | PROCESS AND APPARATUS FOR REMOVING HEAT AND WATER FROM FLUE GAS - Disclosed is a process for use with flue gas having a moisture content M. The flue gas is introduced to strong brine adapted to exothermically absorb moisture. Simultaneously, heat is withdrawn. This produces heat, water-enriched brine and a gas having a moisture concentration less than M. The strong brine can be recovered by distillation from enriched brine to produce water. The brine temperature throughout absorption can remain within 2° F. of a temperature T in the range 220° F.-300° F. The heat withdrawal can be associated with gas-liquid phase change of a working fluid. The terminus of the heat flow can be associated with gas-liquid phase change of the working fluid. The working fluid can: as liquid, flow only by gravity, convection or wicking; and, as gas, flow only by diffusion or convection. The heat flow can drive a boiler producing steam. M can be greater than 15 wt. % water. | 06-05-2014 |
20140165648 | PURIFICATION OF INERT GASES TO REMOVE TRACE IMPURITIES - A method for purifying an argon stream is provided. The method includes pretreating an argon waste stream to remove impurities to provide a pre-treated argon waste stream having argon, nitrogen, and hydrogen; cooling the argon waste stream to create a cold feed stream; and condensing the cold feed stream to create a liquid feed stream. The liquid feed stream is fed to the cryogenic distillation column to create a bottoms argon product stream and a gas waste stream. The bottoms argon product stream travels to an expansion device to provide a cooled bottoms argon product stream, which can optionally be combined with an argon lift stream downstream of the expansion device. The combined argon lift stream and cooled bottoms argon product stream are fed to the overhead condenser and vaporized to create a purified vapor phase argon stream. | 06-19-2014 |
20140165649 | PURIFICATION OF INERT GASES TO REMOVE TRACE IMPURITIES - An argon purification system is provided which includes a cryogenic heat exchanger, a cryogenic distillation column. The cryogenic heat exchanger is configured to remove heat from a pre-treated argon waste stream to create a cold feed stream. The cryogenic distillation column includes packing, a reboiler, and an overhead condenser, as well as an upper portion and a lower portion and is configured to receive a liquid feed stream and to produce a bottoms argon product stream and a gas waste stream. The reboiler is positioned in the lower portion of the cryogenic distillation column and is configured to condense the cold feed stream to produce the liquid feed stream. The condenser is positioned in the upper portion of the cryogenic distillation column and is configured to heat the bottoms argon product stream such that the bottoms argon product stream evaporates to a purified vapor phase argon stream. | 06-19-2014 |
20140190206 | METHOD FOR PURIFICATION OF CARBON DIOXIDE USING LIQUID CARBON DIOXIDE - The present invention relates to a method for removing at least one contaminant from a gaseous stream substantially comprising carbon dioxide. More specifically said method includes the step of subjecting the gaseous stream to an absorption step in which the absorbent is liquid carbon dioxide. | 07-10-2014 |
20140196499 | STRIPPER OVERHEAD HEAT INTEGRATION SYSTEM FOR REDUCTION OF ENERGY CONSUMPTION - A stripper heat integration system includes a first heat exchanger; a second heat exchanger; and a refrigerant loop comprising a refrigerant and configured for flow of the refrigerant therein. The refrigerant loop is in communication with the first heat exchanger and the second heat exchanger. The stripper heat integration system further includes a compressor located in the refrigeration loop, and configured to compress the refrigerant prior to the refrigerant entering the second heat exchanger. The first heat exchanger and the second heat exchanger are in fluid communication with a stripper, and the stripper heat integration system is configured for use with a carbon capture system, to reduce energy consumption of the carbon capture system. | 07-17-2014 |
20140202206 | Methods and Equipment for Treatment of Odorous Gas Steams - A method for removing noxious, hazardous, toxic, mutagenic, and/or carcinogenic compounds and/or precursor compounds from a comingled gas, liquid and/or solid stream is described. In one embodiment, the method includes optionally passing the stream through an ambient temperature condenser followed by passing the stream through a spray venturi scrubber, a chilled condenser, a gas/solid separator, and a series of wet scrubbers to remove at least a portion of the compounds. | 07-24-2014 |
20140208798 | Apparatus and Integrated Process for Separating a Mixture of Carbon Dioxide and at Least One Other Gas and for Separating Air by Cryogenic Distillation - An integrated apparatus for separating a mixture of carbon dioxide and at least one other gas and for separating air by air distillation is provided. The apparatus includes a CO | 07-31-2014 |
20140216104 | METHOD AND DEVICE FOR DEHYDRATING A CO2 CONTAINING GAS - Proposed is a method for dehydrating a CO | 08-07-2014 |
20140245781 | PURIFICATION OF ARGON THROUGH LIQUID PHASE CRYOGENIC ADSORPTION - The invention relates to a process for removing oxygen from liquid argon using a TSA (temperature swing adsorption) cyclical process that includes cooling an adsorbent bed to sustain argon in a liquid phase; supplying the adsorbent bed with a liquid argon feed that is contaminated with oxygen and purifying the liquid argon thereby producing an argon product with less oxygen contaminant than is in the initial liquid argon feed; draining the purified residual liquid argon product and sending purified argon out of the adsorbent bed. Regeneration of specially prepared adsorbent allows the adsorbent bed to warm up to temperatures that preclude the use of requiring either vacuum or evacuation of adsorbent from the bed. | 09-04-2014 |
20140260419 | METHOD OF CONTROLLING SECONDARY CONDENSER DUTY - A portion of the overhead vapor from a distillation column is used to heat a process stream. The temperature and flow rate of the stream out of a heat exchanger are controlled so that the vapor is condensed. | 09-18-2014 |
20140305161 | PURIFYING METHOD, PURIFYING APPARATUS, AND MANUFACTURING METHOD OF 2,3,3,3-TETRAFLUOROPROPENE - There is provided a method and an apparatus for efficiently obtaining 2,3,3,3-tetrafluoropropene with low contents of both organic impurities and water. The method for continuously purifying crude 2,3,3,3-tetrafluoropropene containing water and one or more organic impurities, the method including using an apparatus having a distillation column with X stages (3≦X, the stage closest to a column top is the first stage) and a unit for cooling and condensing a distillate; supplying the crude 2,3,3,3-tetrafluoropropene to an m-th stage (n+1≦m≦X, 2≦n≦X−1) of the distillation column, recirculating at least part of the distillate cooled and condensed in the unit for cooling and condensing to an h-th stage (1≦h≦n−1) of the distillation column; and taking out a liquid phase part of an n-th stage of the distillation column to obtain a purified product of 2,3,3,3-tetrafluoropropene. | 10-16-2014 |
20140305162 | Thermally Integrated Process and Apparatus for Purification and Separation of Components of a Synthesis Gas - Process for the purification and separation of a synthesis gas stream containing hydrogen, carbon monoxide and carbon dioxide in which synthesis gas is purified in a purification unit (W) involving a methanol washing step to remove carbon dioxide, the carbon dioxide depleted synthesis gas is purified by adsorption (P) to produce a purified synthesis gas stream and the purified gas stream is sent to a cryogenic separation unit (C) where it is cooled and separated by cryogenic separation in a column of a column system, at least one stream ( | 10-16-2014 |
20140326021 | INERTING METHOD AND SYSTEM FOR REDUCING OXYGEN - The invention relates to an inerting system as well as an inerting method for reducing oxygen in which an oxygen content which is predefinable and reduced in comparison to normal ambient air is set and maintained in the spatial atmosphere of an enclosed room ( | 11-06-2014 |
20140331715 | PROCESS FOR PRODUCING PURIFIED SYNTHESIS GAS - Process for producing purified synthesis gas from soot-containing synthesis gas having a temperature of at least 5° C. above its dew point comprising the steps of (a) cooling the soot-containing synthesis gas to a temperature below its dew point by indirect heat exchange in a shell-tube heat exchanger without removing the condensate formed, thereby forming a synthesis gas/condensate mixture; and (b) contacting the synthesis gas/condensate mixture with a scrubbing liquid to remove the condensate resulting in a purified synthesis gas and used scrubbing liquid, wherein the soot-containing synthesis gas in step (a) is passed through the shell-tube heat exchanger at the tube side. | 11-13-2014 |
20140338394 | CARBON DIOXIDE SEPARATING AND CAPTURING APPARATUS AND METHOD OF OPERATING SAME - In one embodiment, a carbon dioxide separating and capturing apparatus includes an absorption tower to allow a gas containing carbon dioxide to contact with an absorption liquid and discharge a rich liquid, a regeneration tower to cause the absorption liquid to release a gas containing the carbon dioxide and discharge a lean liquid, and first and second regenerative heat exchangers to heat the rich liquid with the lean liquid. The first regenerative heat exchanger heats the rich liquid with the lean liquid from the second regenerative heat exchanger and discharges the rich liquid in a liquid phase, and the second regenerative heat exchanger heats the rich liquid in the liquid phase with the lean liquid from the regeneration tower. The lean liquid from the first regenerative heat exchanger and the rich liquid from the second regenerative heat exchanger are fed to the absorption and regeneration towers, respectively. | 11-20-2014 |
20140366576 | Process for Recovery and Purification of Nitrous Oxide - This invention is aimed at recovering and purifying nitrous oxide from the gas stream containing N | 12-18-2014 |
20150027164 | CARBON DIOXIDE SEPARATING AND CAPTURING SYSTEM AND METHOD OF OPERATING SAME - In one embodiment, a carbon dioxide separating and capturing system includes an absorption tower to allow a gas containing carbon dioxide to contact with an absorption liquid and discharge a first rich liquid which is the absorption liquid having absorbed the carbon dioxide, and a regeneration tower to cause the absorption liquid to release a gas containing the carbon dioxide and discharge a lean liquid whose carbon dioxide concentration is lower than that of the rich liquid. The system further includes a reboiler to heat the absorption liquid in the regeneration tower by using steam, and a flow divider to divide the first rich liquid into second and third rich liquids. The system further includes a first heat exchanger to heat the second rich liquid by using the lean liquid, and a second heat exchanger to heat the third rich liquid by using water discharged from the reboiler. | 01-29-2015 |
20150027165 | Methods, Devices, and Systems for the Separation and Concentration of Isotopologues - The present invention is a novel method for removing tritium oxide contamination from a solution with water. The method captures the tritium oxide in a much smaller volume suitable for economical disposal. In so doing the original water is decontaminated of the tritium oxide and may be discharged. | 01-29-2015 |
20150047390 | PROCESS AND APPARATUS FOR SEPARATING A CARBON DIOXIDE-RICH GAS BY DISTILLATION - In a process for separating a gas rich in carbon dioxide by distillation, the gas rich in carbon dioxide is cooled in a heat exchanger and is sent to a distillation column, a gas depleted in carbon dioxide is withdrawn from the top of the column and a liquid enriched in carbon dioxide is withdrawn from the bottom of the column, a gas enriched in carbon dioxide is compressed in a compressor down to a first pressure and at least one portion of the gas enriched in carbon dioxide originating from the compressor is expanded from the first pressure to a second pressure lower than the first pressure, for example the pressure of the column, and the expanded gas is used to heat the bottom of the column. | 02-19-2015 |
20150052939 | REFRIGERATION AND COMPRESSOR MODULES - A modular compressor and condensation system is provided with standard sized piping modules, pumping modules and air cooler modules. The modules are designed for standardized shipment and assembly on site with significantly decreased time in start up compared to customized systems. The system may be assembled in the factory for complete testing with only a minimum level of testing necessary at the installation site. | 02-26-2015 |
20150059402 | Method And Device For Separating A Mixture Containing Carbon Dioxide By Means Of Distillation - According to certain embodiments of the invention, a gas containing at least 50% of carbon dioxide is cooled in a first exchanger so as to produce a cooled fluid, a liquid derived from the cooled fluid is sent to a distillation column to be separated therein, a head gas is withdrawn from the distillation column and reheated in the first exchanger, a vat liquid, which is richer in carbon dioxide than the gas containing at least 50% of carbon dioxide, is withdrawn and at least a portion thereof is heated in the first exchanger, at least a first portion of the vat liquid is vaporized in the first exchanger in order to produce a vaporized portion, the vaporized portion is sent back to the column and an NOx removal column is supplied with the liquefied cycle gas produced by vaporizing and reliquefying the vat liquid from the column. | 03-05-2015 |
20150068247 | DISTILLATION DEVICE - A distillation apparatus of the present invention includes: a distillation column group in which a plurality of distillation columns (D | 03-12-2015 |
20150107298 | CVD-SIEMENS REACTOR PROCESS HYDROGEN RECYCLE SYSTEM - A hydrogen recycle process and system for use with chemical vapor deposition (CVD) Siemens type processes is provided. The process results in substantially complete or complete hydrogen utilization and substantially contamination-free or contamination-free hydrogen. | 04-23-2015 |
20150114033 | Purification of Carbon Dioxide - In a process for separating at least one “heavy” impurity such as hydrogen sulfide from crude carbon dioxide comprising significant quantities of at least one “light” impurity such as non-condensable gases, involving at least one heat pump cycle using carbon dioxide-containing fluid from the process as the working fluid, the “light” impurity is removed from the crude carbon dioxide and carbon dioxide is subsequently recovered from the removed “light” impurity, thereby improving overall carbon dioxide recovery and efficiency in terms of energy consumption. | 04-30-2015 |
20150114034 | Purification of Carbon Dioxide - In a process for separating “heavy” impurities such as hydrogen sulfide from crude carbon dioxide comprising significant quantities of “light” impurities such as non-condensable gases, involving at least one heat pump cycle using as working fluid a fluid from the “heavy” impurity separation, the “light” impurities are removed from carbon dioxide-enriched gas generated in the “heavy” impurity separation. The carbon dioxide-enriched gas, or a compressed carbon dioxide-enriched gas produced therefrom, is at least partially condensed by indirect heat exchange against intermediate liquid also generated in the “heavy” impurity separation. Total and specific energy consumption is reduced compared to conventional processes in which “light” impurities are removed from carbon dioxide product gas. | 04-30-2015 |
20150128642 | Supercritical water oxidation treatment system for organic wastewater with high salinity - A supercritical water oxidation treatment system for organic wastewater with a high salinity crystallizes high-salinity wastewater by a low temperature of liquid oxygen, and decreases an inorganic salt content in the wastewater. Under supercritical water conditions, a hydrocyclone ( | 05-14-2015 |
20160003532 | SYSTEMS AND METHODS FOR RECOVERING CARBON DIOXIDE FROM INDUSTRIALLY RELEVANT WASTE STREAMS, ESPECIALLY ETHANOL FERMENTATION PROCESSES, FOR APPLICATION IN FOOD AND BEVERAGE PRODUCTION - A system for recovering CO2 via liquefaction and purification from a vented CO2 gas stream comprising a compressor; a dehydrator; a scrubber; a refrigerator having one or more stages; and a separation subsystem adapted to ensure non-condensable gas content in the final product meets industry standards. The liquid CO2 product is of sufficient purity to be used in applications requiring beverage-grade CO2. The system can be utilized as a single-brewery installation to reduce venting from ethanol fermenters to an absolute minimum, produce a high purity liquid CO2 product for use in-process or external sales, and offset the purchasing of expensive, industrial CO2 of inferior purity. | 01-07-2016 |
20160003533 | SEPARATION AT SUB-AMBIENT TEMPERATURE OF A GASEOUS MIXTURE CONTAINING CARBON DIOXIDE AND A LIGHTER CONTAMINANT - A device for separating a gas mixture containing at least 35 mol % carbon dioxide and also at least one gas lighter than carbon dioxide, comprising a first phase separator configured to receive a first partially condensed flow from an exchange line; a first phase separator configured to separate the gas phase from the liquid phase; a cooling means configured to receive the gas phase from the first phase separator and cool said gas phase to form a second partially condensed flow. The resulting liquid phase is then sent to a first valve and is expanded to a lower pressure that is at most 300 mbar lower in order to form a first expanded liquid, which is then mixed with a second liquid originating from the second phase separator in a mixing means that is located upstream of a third valve. | 01-07-2016 |
20160018159 | ALKALINITY CONTROL AGENT SUPPLY METHOD AND APPARATUS FOR COMPRESSOR IMPURITY SEPARATION MECHANISM - Exhaust gas from which impurities have been removed through pressurization and cooling by a compressor-based impurity separation mechanism is further cooled by a refrigerator-type heat exchanger. Drain produced from the cooling by the refrigerator-type heat exchanger is discharged and supplied as an alkalinity control agent to at least upstream of an aftercooler in a first impurity separator. | 01-21-2016 |
20160040929 | COLUMN FOR THERMAL TREATMENT OF A FLUID - The present invention relates to a column ( | 02-11-2016 |
20160069612 | Onsite Ultra High Purity Chemicals or Gas Purification - An onsite purification plant/system to delivery high and ultra high purity product, such as, process chemicals, industrial and specialty gases to manufacturing processes within the onsite plant turndown ratio from 0% to 100% while preserving the predetermined purity of the supplied substances within a predefined specification range is provided. Preserving liquid/vapor ratio in at least one of the purification means/units ensuring that product purity range stays unchanged is achieved by redirecting the product back into the onsite purification plant/system. | 03-10-2016 |
20160084571 | PURIFICATION OF ARGON THROUGH LIQUID PHASE CRYOGENIC ADSORPTION - The invention relates to a process for removing oxygen from liquid argon using a TSA (temperature swing adsorption) cyclical process that includes cooling an adsorbent bed to sustain argon in a liquid phase; supplying the adsorbent bed with a liquid argon feed that is contaminated with oxygen and purifying the liquid argon thereby producing an argon product with less oxygen contaminant than is in the initial liquid argon feed; draining the purified residual liquid argon product and sending purified argon out of the adsorbent bed. Regeneration of specially prepared adsorbent allows the adsorbent bed to warm up to temperatures that preclude the use of requiring either vacuum or evacuation of adsorbent from the bed. | 03-24-2016 |
20160096731 | PROCESS FOR PURIFYING RAW-MATERIAL GASES BY FRACTIONATION - The present invention relates to a process for purifying raw-material gases by fractionation. In particular, the present invention relates to a process for cleansing chlorine gas of bromine. | 04-07-2016 |
20160131423 | METHOD AND APPARATUS FOR PRODUCING CARBON DIOXIDE AND HYDROGEN - In a process for the production of carbon dioxide and hydrogen from a gas flow comprising at least hydrogen, at least one sulfur-comprising component and carbon dioxide originating from a Claus unit fed with a gas comprising at least 50 mol % of oxygen, the gas flow is compressed and dried in order to produce a compressed and dried gas flow and the compressed and dried gas flow is separated at a subambient temperature in order to produce at least a fluid enriched in carbon dioxide with respect to the compressed and dried gas flow and at least a fluid enriched in hydrogen with respect to the compressed and dried gas flow. | 05-12-2016 |
20160138865 | A METHOD AND APPARATUS FOR SEPARATING A LIQUEFIABLE GAS MIXTURE - The invention relates to a method for separating a liquefiable gas mixture consisting of a plurality of components, comprising at least one first component (K | 05-19-2016 |
20160377342 | SYSTEM AND METHOD FOR HIGH PRESSURE, PASSIVE CONDENSING OF WATER FROM HYDROGEN IN A REVERSIBLE SOLID OXIDE FUEL CELL SYSTEM - A method for passively removing water from a stream of hydrogen gas includes receiving a stream of hydrogen gas that is water-saturated, having an initial pressure below about 1 psig and an initial temperature above about 25° C., compressing the stream of hydrogen gas to an elevated pressure, chilling the compressed stream of hydrogen gas to a low temperature, and condensing water from the compressed and chilled stream of hydrogen gas until the water content of the stream of hydrogen gas is below about 100 ppm. | 12-29-2016 |