| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 062532000 | Fractionally solidifying a constituent and separating the same | 38 |
| 20090266106 | Method and apparatus for producing clathrate hydrate slurry, and method for operating the same apparatus - A method of producing a clathrate hydrate slurry, includes a step of heat-exchanging an aqueous solution of a guest compound for the clathrate hydrate or a slurry of the clathrate hydrate dispersed or suspended in an aqueous solution or water with a refrigerant thereby generating the clathrate hydrate in the aqueous solution or the slurry, in which a part of the clathrate hydrate deposited on the heat transfer surface in the process of heat exchange with the refrigerant is removed by adjustment of a temperature of the refrigerant and flow force of the aqueous solution or the slurry and the rest is kept remained as it covers the heat transfer surface. | 10-29-2009 |
| 20090288447 | OPERATION OF A FROSTING VESSEL OF AN ANTI-SUBLIMATION SYSTEM - Method for operating a frosting vessel of an anti-sublimation system for capturing CO | 11-26-2009 |
| 20100018247 | DESALINATION METHOD AND SYSTEM USING A CONTINUOUS HELICAL SLUSH REMOVAL SYSTEM - The invention relates to a desalination method and system that uses freeze crystallization technology that incorporates the use of compressed air energy as the source for freezing temperatures. When compressed air is released by a turbo expander, chilled air is produced as a by-product, wherein the chilled air is introduced into a chamber, wherein a spray cloud of seawater droplets, which has been pre-chilled by heat exchange with the cold chamber walls, is then circulated and exposed to the chilled air in the chamber. The droplets then settle at the bottom of the chamber, wherein they are deposited at slightly above the eutectic temperature, to form an ice/brine slush mixture. A slush removal mechanism with a screw-like helical blade is provided to continuously remove the ice particles from the chamber. | 01-28-2010 |
| 20100024471 | METHOD AND SYSTEM FOR EXTRACTING CARBON DIOXIDE BY ANTI-SUBLIMATION AT RAISED PRESSURE - A method for removal of CO2 from a gas stream by anti-sublimation, comprising the steps of: a) introducing a gas stream containing CO2 into a frosting vessel; b) reducing the temperature of at least a portion of the gas stream in said frosting vessel to a temperature at which solid CO2 is deposited by anti-sublimation; c) discharging the gas stream depleted of CO2 from the frosting vessel; and d) recovering the deposited solid CO2; wherein the pressure of the gas stream in step b) is higher than atmospheric pressure. An anti-sublimation system for removal of CO2 from a gas stream, comprising: a frosting vessel configured to receive the gas stream, said frosting vessel comprising a low temperature refrigeration device configured for reducing the temperature of at least a portion of a gas stream in said frosting vessel to a temperature at which solid CO2 is deposited by anti-sublimation; and a compressor configured to increase the gas pressure of the gas stream which is fed to the frosting vessel. | 02-04-2010 |
| 20100037653 | Desalination Method and System Using Compressed Air Energy Systems - The invention relates to a desalination method and system that uses freeze crystallization technology that incorporates the use of compressed air energy as the source for freezing temperatures. When compressed air is released by a turbo expander, chilled air is produced as a by-product, wherein the chilled air is introduced into a crystallization chamber. Also injected into the chamber is a spray cloud of seawater droplets, which has been pre-chilled by heat exchange with the cold chamber walls, and which is then circulated and exposed to the chilled air in the chamber. The sizes of the droplets can vary, but are preferably predetermined, along with the relative temperatures, flows and speeds of the spray and chilled air, such that when the droplets are circulated within the chilled air, and settle at the bottom of the chamber, they are deposited at slightly above the eutectic temperature. This way, the ice/snow mass that forms at the bottom of the chamber will consist of frozen ice crystals, and a residue of salt water brine, which can runoff from the mass, either from the sides, or through any voids or channels that may form within the mass. | 02-18-2010 |
| 20100050686 | MELT PURIFICATION AND DELIVERY SYSTEM - An apparatus to purify a melt is disclosed. A first portion of a melt in a chamber is frozen in a first direction. A fraction of the first portion is melted in the first direction. A second portion of the melt remains frozen. The melt flows from the chamber and the second portion is removed from the chamber. The freezing concentrates solutes in the melt and second portion. The second portion may be a slug with a high solute concentration. This system may be incorporated into a sheet forming apparatus with other components such as, for example, pumps, filters, or particle traps. | 03-04-2010 |
| 20100050687 | LIQUEFACTION OF GASEOUS CARBON-DIOXIDE REMAINDERS DURING ANTI-SUBLIMATION PROCESS - The present invention relates to methods and systems for capture of CO | 03-04-2010 |
| 20100071408 | METHOD OF RECYCLING LiCl SALT WASTES BY USING LAYER CRYSTALLIZATION AND APPARATUS FOR THE SAME - Disclosed herein are a method of recycling LiCl salt wastes comprising radionuclides and an apparatus using the same. The method includes a) solidifying a LiCl salt contained in the LiCl salt wastes and contacting the outer wall of a housing, by charging a crystallizer comprising the housing having an internal accommodating space and an air cooler in the internal accommodating space into a crystallizing furnace accommodating the LiCl salt wastes comprising the radionuclides, and by cooling the housing to a temperature of two-phase region where the liquid state and the solid state of the LiCl salt waste coexist, b) separating the crystallizer where the LiCl salt is solidified from the crystallizing furnace, c) recycling the LiCl salt by heating the separated crystallizer to melt the solidified LiCl salt. | 03-25-2010 |
| 20100115988 | Treatment of Molybdate Containing Waste Streams - The invention is directed to a process for the treatment of an aqueous solution comprising sodium carbonate and/or sodium bicarbonate and sodium molybdate, said process comprising freeze crystallising the solution at the eutectic freezing point thereof and recovering substantially pure ice crystals, substantially pure sodium carbonate and/or sodium bicarbonate and an aqueous product solution containing dissolved sodium molybdate. | 05-13-2010 |
| 20100170296 | SEPARATION OF VOLATILE COMPONENTS FROM A GAS FLOW - Methods of separating volatile organic and/or gaseous inorganic components from a gas mixture, comprising subjecting the gas mixture to a cryocondensation process and an adsorption process to separate the volatile organic and/or gaseous inorganic components. The adsorption process utilizes at least two parallel adsorbers running alternately through adsorption and desorption phases. A regeneration gas used for the desorption phase is added to the gas mixture prior to the cryocondensation process. Temperature of the condensation process may be varied. | 07-08-2010 |
| 20100251762 | Water crystallizer employing mercury wetted surface - A dendritic ice crystallizer having a mercury wetted surface ( | 10-07-2010 |
| 20110030421 | Method and Device for Gas Purification by Means of Partial Condensation, and Method for Operating the Device - The subject matter of the invention is a method for purifying a foreign-substance-laden gas flow of the foreign substance, with the gas flow being conducted through a heat exchanger and being placed in thermal contact with a cooling medium in order to freeze and/or condense the foreign substance out, wherein the purification takes place in only one tube heat exchanger, through the interior space of which the gas flow is conducted from a first end region to a second end region, and here, is cooled by means of contact with a first group of tubes which are traversed by the coolant, and in that the gas flow, in the second end region, is directly deflected again and is conducted back through the interior space of the heat exchanger to the first end region through a second group of tubes while undergoing an exchange of heat with the gas flow flowing into the interior space. A corresponding device has a heat exchanger having at least two groups of tubes which run through an interior space of the heat exchanger from a first end region to a second end region of the heat exchanger, with it being possible for the gas flow to traverse the interior space of the heat exchanger from a gas flow inlet at the first end region to the second end region, and with a first group of the tubes being part of a substantially closed cooling medium circuit, and a second group of the tubes for recirculating the gas flow from the second end region of the heat exchanger being connected to a purified gas outlet in the first end region. In order to further reduce the operating temperature in the second end region, it is possible for additional cooling medium to be injected into the cooling medium circuit upstream of said second end region. It is even possible for the injection to take place by means of an injector, which then replaces a pump and cooler. | 02-10-2011 |
| 20110162410 | HEAT TRANSFER COMPOSITIONS - A heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), carbon dioxide (R-744) and a third component selected from difluoromethane (R-32), 1,1-difluoroethane (R-152a), fluoroethane (R-161), 1,1,1,2-tetrafluoroethane (R-134a), propylene, propane and mixtures thereof. | 07-07-2011 |
| 20110197628 | CRYOAGGREGATE FILTRATION FOR THE TREATMENT OF CARDIOMYOPATHY AND OTHER AUTOIMMUNE DISEASES - Various embodiments of the present invention disclose processes and systems for the off-line in-vitro purification of plasma harvested from a patient. In an embodiment of a process, in a first step cellular components are capable of being eliminated by membrane plasma separation at temperatures sufficiently high to avoid formation of a cryoaggregates, and in a second step the resulting plasma solution is cooled to a temperature that allows the formation of cryoaggragated molecules, but no formation of a cryogel. | 08-18-2011 |
| 20110219818 | APPARATUS AND METHOD FOR PURIFICATION OF MATERIALS USING VACUUM DISTILLATION FOR EVAPORATION AND HEAT CIRCULATION FOR CONDENSATION - Provided is an apparatus for purifying materials, including: a raw water storage unit storing and supplying raw water; an evaporation unit evaporating the raw water supplied from the raw water storage unit; a heat exchange unit connected between the raw water storage unit and the evaporation unit, and condensing vapor (a material evaporated from the raw water) generated at the evaporation unit; and a recovery tank recovering the material condensed at the heat exchange unit, wherein the raw water supplied through the raw water storage unit is sent to the evaporation unit via the heat exchange unit, and the vapor evaporated at the evaporation unit is introduced into the recovery tank, after it is cooled and condensed at the heat exchange unit. A method for purifying materials using the apparatus is also provided. The apparatus and the method allow heat recycling, thereby reducing consumption of heat energy and electric energy, and prevent such problems as degradation of vacuum pump quality, overload or damages on some parts of the apparatus. | 09-15-2011 |
| 20110259043 | METHOD OF PURIFYING LONIC LIQUIDS - The present invention relates to a method of purifying an ionic liquid by means of fractional crystallization in which a part of the ionic liquid is crystallized and the crystals formed are separated off from the residual liquid. In this process a certain amount of at least one entrainer substance is added to the ionic liquid. | 10-27-2011 |
| 20110271712 | COOLING CRYSTALLIZER - A system and method for separating at least a part of the solids from brine having an initial temperature T | 11-10-2011 |
| 20120042688 | Heat Driven Concentrator With Alternate Condensers - A device and method for concentrating contaminants in a solution comprising contaminated sorbate and clean sorbate wherein the contaminated sorbate freezes at a higher temperature than the clean sorbate. By maintaining the solution at a temperature between the freezing point of the contaminated sorbate and the freezing point of the clean sorbate, the clean sorbate may be evaporated off for processing through a sorbent/sorbate working pair adsorption/desorption cycle. Sensors in the adsorption chamber monitors for the presence of contaminated sorbate vapor. Sensors in the evaporator chamber monitor the temperature of the solution and partial pressure within the evaporator chamber. If contaminated sorbate vapor is detected in the adsorption chamber, or the temperature of the solution rises above the freezing point of the contaminated sorbate, or the partial pressure of the evaporator chamber deviates from the acceptable range of partial pressures, then during desorption, the sorbate vapor is directed to a contaminated condenser for recycling back to the solution. If contaminated sorbate vapor is not detected in the adsorption chamber, and the temperature of the solution did not rise above the freezing point of the contaminated sorbate, and the partial pressure of the evaporator chamber did not deviate from the acceptable range of partial pressures, then during desorption, the sorbate vapor is directed to a clean condenser where it is condensed and removed from the concentrator. | 02-23-2012 |
| 20120227439 | SYSTEMS, MATERIALS, AND PROCESSES FOR ISOLATING NANOPARTICLES - Processes for isolating nanoparticles from an aqueous solution are disclosed. The processes can include, for example, providing an aqueous mixture having a plurality of nanoparticles and at least one thermal hysteresis molecule; adjusting the aqueous mixture to a temperature effective to form ice crystals within the aqueous mixture; and isolating the ice crystals from the aqueous mixture. Also disclosed are compositions and systems for isolating nanoparticles. | 09-13-2012 |
| 20120234039 | Method for maximizing availability of heat exchangers for removal of volatile vapors from a storage vessel - A method of recovering hydrocarbons from a storage vessel by utilizing two or more heat exchangers is disclosed. A stream of vapors from the vessel is directed first through a first heat exchanger and then through a second heat exchanger where a portion of the vapors is condensed. The pressure drop between either the inlet of the first heat exchanger or the inlet of the second heat exchanger and the outlet of the second heat exchanger is monitored to detect frozen condensate in the second heat exchanger. When the pressure drop increases to a level requiring remediation, the pressure drop is remediated by redirecting a relatively warm portion of the stream to a portion of the second heat exchanger containing the frozen condensate to melt the frozen condensate. | 09-20-2012 |
| 20120266629 | 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. | 10-25-2012 |
| 20120279253 | SYSTEM AND METHOD FOR PURIFYING A FIRST LIQUID CONTENT AND SIMULTANEOUSLY HEATING A SECOND LIQUID CONTENT - The system includes a first heat exchanger in which the refrigerant is injected directly into the content of the first liquid circuit through at least one nozzle to simultaneously capture latent heat from the content as purified frozen liquid pieces are formed. It also includes a second heat exchanger in which the refrigerant transfers the latent heat captured from the content of the first liquid circuit to a content of the second liquid circuit, thereby raising the content of the second liquid circuit in temperature. The proposed concept provides designers with opportunities to create highly efficient systems and methods where the latent heat extracted for the purification is immediately employed to a useful purpose. | 11-08-2012 |
| 20150321924 | PURIFYING AQUEOUS MIXTURES DERIVED FROM HYDROCARBON PRODUCTION PROCESSES - A method for purifying an aqueous mixture is provided. The method can include at least partially crystallizing an aqueous mixture derived from a hydrocarbon process to provide a crystallized aqueous mixture. The aqueous mixture can comprise water and one or more contaminants to be separated from the water. The crystallized aqueous mixture can be separated into a contaminant-rich fraction and a water-rich fraction. Water can be recovered from the water-rich fraction and the one or more contaminants can be recovered from the contaminant-rich fraction. | 11-12-2015 |
| 062533000 | Including direct contact with added refrigerant | 7 |
| 20090205363 | ENVIRONMENTALLY-NEUTRAL PROCESSING WITH CONDENSED PHASE CRYOGENIC FLUIDS - Systems, methods and apparatus are provided for utilizing a substantially condensed phase cryogenic fluid for the purpose of remediation and retrieval of, e.g., pollutant biomass from marine/aquatic and terrestrial environments. In some implementations, systems and apparatus are provided for applying a substantially condensed phase cryogenic fluid to a volume of biomass, and further having structure for collecting the biomass. Some implementations are environmentally-neutral. Some implementations convert the collected biomass into biofuel. Some implementations initially employ the biomass to remediate an aquatic body. | 08-20-2009 |
| 20100043487 | Environmentally-Neutral Processing With Condensed Phase Cryogenic Fluids - Systems, methods and apparatus are provided for utilizing a substantially condensed phase cryogenic fluid for the purpose of remediation and retrieval of, e.g., spilled crude oil and other “oil spill”-related products from marine/aquatic and terrestrial environments. In some implementations, systems and apparatus are provided for applying a substantially condensed phase cryogenic fluid to a volume of spilled oil, and further having structure for collecting the spilled oil. Some implementations are environmentally-neutral. Substances other than oil may be remediated as well. | 02-25-2010 |
| 20100147021 | FLUID SEPARATOR COMPRISING A CENTRAL BODY - The invention relates to fluid separator comprising: —a throat portion ( | 06-17-2010 |
| 20100287980 | Environmentally-Neutral Processing With Condensed Phase Cryogenic Fluids - Systems, methods and apparatus are provided for utilizing a substantially condensed phase cryogenic fluid for the purpose of remediation and retrieval of, e.g., spilled crude oil and other “oil spill”-related products from marine/aquatic and terrestrial environments. In some implementations, systems and apparatus are provided for applying a substantially condensed phase cryogenic fluid to a volume of spilled oil, and further having structure for collecting the spilled oil. Some implementations are environmentally-neutral. Substances other than oil may be remediated as well. | 11-18-2010 |
| 062534000 | Liquid refrigerant converted to vapor phase during cooling | 2 |
| 20100192625 | Method for Adiabatic Cooling Type Crystallization of Organic Compound and Apparatus Therefor - The present invention provides a method for adiabatic cooling type crystallization of organic compound and an apparatus therefore, by which running cost and facility cost can be reduced. | 08-05-2010 |
| 062535000 | Spent refrigerant vapor used in direct contact to melt solidified component or heat product liquid | 1 |
| 20090025421 | Mineral recovery system for desalination - The invention relates to a mineral recovery system that processes concentrated brine leftover from a desalination system, wherein the brine is introduced into a crystallization chamber in the form of a spray, and wherein by mixing it with super chilled air from the desalination system, the droplets will flash freeze and form a super chilled slurry mixture, wherein an agitator for mixing the super chilled slurry is provided at or near the bottom of the crystallization chamber. Multiple stilling chambers are preferably provided for further separating the water from the concentrated brine, to produce a heavily concentrated sludge containing mineral solids that can be removed from the brine and recovered for commercial purposes. | 01-29-2009 |
| 062536000 | Refrigerant remains liquid during cooling | 1 |
| 20150047388 | METHODS OF DESALINATION AND RINSING, AND SYSTEMS THEREFOR - Desalination and rinsing methods and systems are provided, which use a liquid column to efficiently perform freeze desalination and enable recyclable washing of produced minerals or combustible material. The liquid column comprises alternating layers of water immiscible liquids and water solutions which form a vertical density gradient (discrete or continuous) and exhibit a lower freezing zone from which ice floats to an upper melting zone. Cooling of introduced upwards flowing salt solutions is carried out by a countering downwards flow of cold water immiscible liquid. The process is cyclical, involves few if any mechanical moving parts and is easily controllable and adaptable to varying desalination circumstances. Rinsing of minerals or combustible material may be integrated in the heat and matter flows of the desalination system to allow effective rinsing, desalination and recycling of the used water. | 02-19-2015 |
| 062540000 | With measured parameter responsive control | 1 |
| 20120210747 | SYSTEM FOR DRYING THE EXHAUST GASES FROM A FUEL CELL SYSTEM USING THE EXISTING LIQUID HYDROGEN AS A HEAT SINK - A system for the drying of exhaust gases from a fuel cell system comprises two heat exchangers alternately exposed to exhaust gas, which ice and accumulate water vapour from the exhaust gas by means of a coolant. A valve arrangement with a number of valves is adapted in such a manner that it operates one of the heat exchangers in an icing phase and the other heat exchanger in a regeneration phase, in which the accumulated ice melts and is extracted. This system is especially suitable in aircraft for drying an oxygen-depleted exhaust gas from a fuel cell system for inerting a tank. | 08-23-2012 |
| 062541000 | With separated constituent recycle | 2 |
| 20100024472 | Removing Contaminants from Natural Gas - A process is described for removing contaminants from a natural gas feed stream including water. The process includes the steps of cooling the natural gas feed stream in a first vessel to a first operating temperature at which hydrates are formed, heating the hydrates to a temperature that is above the first operating temperature by introducing a warm liquid to the first vessel so as to melt the hydrates and liberate a dehydrated gas and a water-containing liquid, and removing from the first vessel a stream of dehydrated gas. | 02-04-2010 |
| 20100115989 | APPARATUS AND METHOD FOR PRODUCING POTABLE WATER - An exemplary device and method for removing undesired substances from original water comprises a cooling circuit for cooling the original water to or below approximately Zero degrees Celsius, whereby the saturation level of the undesired substances in the original water is exceeded, thereby causing segregation of the original water into purified ice, undesired precipitated solids, and a waste liquid containing the remaining undesired substances (soluble salts). Means for removing the waste liquid from the purified ice, a heating circuit for melting the purified ice into purified water, a reservoir having an inlet for receiving the original water and an outlet for dispensing the purified water, and a first water purity monitor disposed adjacent the outlet for monitoring a first purity level of the purified water are provided. | 05-13-2010 |
| 062544000 | With stirring, agitating or scraping of the solidification zone | 5 |
| 20090077999 | System And Method For Dispensing A Cooled Beverage - The present invention relates to a system for cooling a beverage, the system comprising: a beverage line ( | 03-26-2009 |
| 20100186444 | Crystallizer With Internal Scraped Cooled Wall and Method of Use Thereof - Apparatus for separating solids from a mixture or solution, comprising an outer wall provided with an inlet for the mixture or solution and provided with a first discharge for discharging an ice slurry and a second discharge for discharging a salt slurry, one or more raking or scraping elements for scraping solidified material from cooled wall portions which are cooled at or close to a temperature where the mixture or solution solidifies, preferably the eutectic temperature thereof. | 07-29-2010 |
| 20110079044 | METHOD AND APPARATUS USING DELIQUESCENT FILTER FOR SEPARATING MIXTURE - The present invention provides a method and apparatus for separating a mixture to be separated (solid-liquid or liquid-liquid mixture) using a deliquescent filter medium. The mixture to be separated is separated into a liquid passing through a filter layer of the filter medium and a captured material captured in the filter layer. | 04-07-2011 |
| 20120247149 | PROCESS COOLING SYSTEM AND METHOD USING SEAWATER - A method for producing cold heat for cooling a process is provided. Seawater is pumped at a selected depth and cooled to create a mixture of ice and brine. The ice is separated from the brine. Cold heat is obtained by thawing the ice. A process cooling system for producing cold heat is also provided. A pumping station comprises a line system to obtain seawater and direct the seawater to an onshore cooling plant. A refrigerant circulates in an evaporation stage in a refrigeration circuit. A heat exchanger in the evaporation stage freezes a portion of the seawater in the line system with the refrigerant. A cooling plant is connected to the line system to receive the frozen seawater. The cooling plant comprises a separation tank for separating the frozen portion of seawater from brine, and a heat exchanger to cool the process by heat exchange with the frozen seawater. | 10-04-2012 |
| 20130081426 | LOW TEMPERATURE HEAT EXCHANGER SYSTEM AND METHOD - A device for capturing carbon dioxide includes a supply source for supplying a compressed flue gas; a multi-stream heat exchanger for pre-cooling the compressed flue gas and a gas expansion device located downstream of the multi-stream heat exchanger. The multi-stream heat exchanger is configured to separate the compressed flue gas into a first compressed stream and a second compressed stream. The gas expansion device is configured to expand the compressed flue gas into a first sub-stream of carbon dioxide depleted gas and a second sub-stream of carbon dioxide. The device includes a first recirculation channel that recirculates a portion of the first sub-stream into the multi-stream heat exchanger and a second recirculation channel that recirculates at least a portion of the second sub-stream into the multi-stream heat exchanger, wherein the multi-stream heat exchanger is configured to pre-cool the compressed flue gas using the first sub-stream and the second sub-stream. | 04-04-2013 |
