Entries |
Document | Title | Date |
20080250814 | Dehazing a lubes product by integrating an air separation unit with the dehazing process - A cryogenic air separation unit (ASU) is integrated into a lube oil dehazing process whereby waste nitrogen from the ASU is used to cool a lube oil base stock to promote the agglomeration and separation of haze-forming constituents in the base stock. Advantageously, the ASU may be part of a gas-to-liquid plant. | 10-16-2008 |
20090000333 | ASSEMBLY OF A PLANT FOR GAS SEPARATION - For assembling a plant for gas separation which comprises at least one separating column and a surrounding casing, the separating column ( | 01-01-2009 |
20090038337 | Method for Regulating a Series of Apparatus for Separating Air by Cryogenic Distillation and Series of Apparatus for Separating Air Operating According to Said Method - In a method for regulating a series of apparatus for separating air by cryogenic distillation, the series comprising N air separation apparatus ( | 02-12-2009 |
20090100863 | System to Cold Compress an Air Stream Using Natural Gas Refrigeration - An air stream is compressed in multiple stages using refrigeration derived from a refrigerant comprising natural gas for inter-stage cooling. The possibility of natural gas leaking into the air stream is reduced by use of an intermediate cooling medium (“ICM”) to transfer the refrigeration from the refrigerant to the inter-stage air stream. The compressed air stream can be fed to a cryogenic air separation unit that includes an LNG-based liquefier unit from which a cold natural gas stream is withdrawn for use as said refrigerant. | 04-23-2009 |
20090211298 | Method and Apparatus for Creating an Air-Conditioned Atmosphere - The invention relates to an apparatus for creating an air-conditioned atmosphere in a transportation container ( | 08-27-2009 |
20090241594 | VALVE DEFINING MODULATED AND UNMODULATED FLOW PATHS - A valve comprises an inlet portion configured to couple to a source of a fluid, and a body portion in fluidic communication with the inlet portion. The body portion defines a modulated flow path and a constant flow path adjacent to the modulated flow path. | 10-01-2009 |
20090282866 | METHOD AND APPARATUS FOR PURIFICATION OF THE AIR TO BE USED AS RAW MATERIAL IN CRYOGENIC AIR SEPARATION - A purification method for feed air in cryogenic air separation of the present invention includes purifying the feed air for the cryogenic air separation by using a temperature swing adsorption method, wherein the whole region of a carbon dioxide adsorbent layer packed in an adsorption column is used as a mass transfer zone of a carbon dioxide. Also, a purification apparatus for feed air in cryogenic air separation of the present invention includes at least two adsorption columns; and a moisture adsorbent and a carbon dioxide adsorbent being laminated and packed in the adsorption columns, wherein the packed amount of the carbon dioxide adsorbent is the same as the amount of the carbon dioxide adsorbent in the region of the carbon dioxide adsorbent which a mass transfer zone of a carbon dioxide occupies at the end of an adsorption step, and a temperature swing adsorption method is used. | 11-19-2009 |
20100115994 | ADSORBENT FOR CARBON MONOXIDE, GAS PURIFICATION METHOD, AND GAS PURIFICATION APPARATUS - The adsorbent for carbon monoxide of the present invention is obtained by activating a Cu-ZSM5 type zeolite prepared as a catalyst for removal of NO | 05-13-2010 |
20100192628 | APPARATUS AND AIR SEPARATION PLANT - The present invention relates to an apparatus and air separation plant in which a pumped liquid oxygen stream is heated within a heat exchanger through indirect heat exchange with compressed air to produce an oxygen product. The liquid oxygen stream is pressurized in a range above about 55 bar(a) and no greater than about 150 bar(a) and is a supercritical fluid after having been heated within the heat exchanger. The air is compressed to an air pressure that is a function of the oxygen pressure that will result in a minimum power being expended in the compression of the air. The heat exchanger can be a brazed fin heat exchanger fabricated from aluminum in which the fins located in heat exchange passages have an undulating configuration to increase the flow path length and induce flow separation and thereby increase the heat transfer coefficient within the heat exchanger. | 08-05-2010 |
20100236286 | METHOD AND SYSTEM FOR REGULATION OF COOLING CAPACITY OF A COOLING SYSTEM BASED ON A GAS EXPANSION PROCESS - A method and associated system for regulation of the cooling capacity of a cooling system that uses a gas expansion cooling circuit where the cooling principle is expansion of one or more gaseous cooling medium streams from a higher pressure to a lower pressure are described, characterised by the following steps: —reducing the amount of cooling medium which is circulated in the cooling circuit ( | 09-23-2010 |
20100281917 | Apparatus and Method for Condensing Contaminants for a Cryogenic System - A system for removing contaminants from a gas, preferably through condensation and adsorption, followed by liquefaction of the gas. | 11-11-2010 |
20100287986 | Air separation apparatus and method - The present invention relates to an air separation apparatus and method in which a pumped liquid oxygen stream is heated within a heat exchanger through indirect heat exchange with compressed air to produce an oxygen product. The liquid oxygen stream is pressurized in a range above about 55 bar(a) and no greater than about 150 bar(a) and is a supercritical fluid after having been heated within the heat exchanger. The air is compressed to an air pressure that is a function of the oxygen pressure that will result in a minimum power being expended in the compression of the air. The heat exchanger can be a brazed fin heat exchanger fabricated from aluminum in which the fins located in heat exchange passages have an undulating configuration to increase the flow path length and induce flow separation and thereby increase the heat transfer coefficient within the heat exchanger. | 11-18-2010 |
20100319397 | CRYOGENIC PRE-CONDENSING METHOD AND APPARATUS - A method and apparatus for removing components from a gas stream by feeding the gas stream into a pre-condensation unit to produce a gas stream at a lower intermediate temperature and feeding this intermediate temperature gas stream into a cryogenic condensation unit where a lower predetermined final temperature is achieved. This final temperature gas stream is directed back to the pre-condensation unit to assist in cooling the gas stream entering this unit. | 12-23-2010 |
20110107792 | SHIPBOARD HYBRID SYSTEM FOR MAKING DRY, OIL-FREE, UTILITY AIR AND INERT GAS - A shipboard system provides dry, oil-free utility air and inert gas for use on a marine vessel. A compressor converts ambient air into a pressurized air stream. The air stream is cooled by heat exchange with sea water in the vicinity of the vessel. The air stream is then dried in a dehydration membrane module, and some of the product of the dehydration module is taken for use as utility air. The remainder of the dried air is passed through an air separation module which includes a polymeric membrane. The product of the air separation module includes a nitrogen-enriched gas which is used as an inert gas on the vessel. The compressor is the only mechanically moving component of the system. | 05-12-2011 |
20110214452 | Integrated Air-Separating And Water-Heating Apparatus Intended For A Boiler - An integrated air-separating and water-heating apparatus intended for a boiler is presented. | 09-08-2011 |
20110296872 | SYSTEM AND METHOD FOR CARBON DIOXIDE CAPTURE AND SEQUESTRATION - A method and a system capable of removing carbon dioxide directly from ambient air, and obtaining relatively pure CO | 12-08-2011 |
20120011887 | METHOD OF PURIFYING AIR - A pre-purification method of feed air for cryogenic air separation, which includes; (a) an adsorption step wherein a compressed feed air is supplied in an adsorption column, wherein a moisture adsorbent and a carbon dioxide adsorbent are filled in this order from the side where the feed air is introduced in the column, to remove water and carbon dioxide from the feed air; (b) a decompression step wherein pressure in the adsorption column is reduced; (c) a heating step wherein the adsorbents in the decompressed column are heated and regenerated, and the heating step includes a total heating step wherein the moisture adsorbent and the carbon dioxide adsorbent are heated and a partial heating step wherein the moisture adsorbent is heated; (d) a cooling step wherein the adsorbents are cooled by introducing a purge gas, which is not heated, to the adsorption column; and (e) a pressurization step wherein the cooled adsorbents are pressurized by purified air. | 01-19-2012 |
20120174624 | METHOD FOR OPERATING AT LEAST ONE AIR SEPARATION APPARATUS AND OXYGEN CONSUMPTION UNIT - The present invention relates to a process for operating at least one air separation unit and an oxygen-rich gas consumer, comprising a carbon fuel combustion unit or a gasification unit, the oxygen-rich gas consumer being capable of generating electricity. The consumer is supplied with an oxygen-rich gas coming from the air separation unit or units. | 07-12-2012 |
20120227442 | SYSTEM AND METHOD FOR COOLING A SOLVENT FOR GAS TREATMENT - The present embodiments are directed towards the cooling of a solvent of a gas treatment system using a fluid flow from an air separation unit. In one embodiment, a system is provided that includes an air separation unit. The air separation unit has an air inlet configured to receive an air flow, an oxygen outlet configured to output an oxygen flow, a nitrogen outlet configured to output a nitrogen flow and a cooling system configured to cool the air flow to enable separation of the air flow into the oxygen flow and the nitrogen flow, wherein the cooling system is configured to cool a first solvent of a first gas treatment system. | 09-13-2012 |
20120279255 | METHOD AND APPARATUS FOR COMPRESSING AND COOLING AIR - The invention relates to a method for compressing and cooling air upstream from a facility for cryogenic separation of air, with no means for exchange by indirect heat, in which humid air is compressed in a compressor, the air compressed in the compressor is cooled in a first exchanger having indirect heat exchange, water is recovered from the air upstream and/or downstream from cooling in the first exchanger, the air cooled in the first exchanger is sent to a purification unit in order to produce air purified of carbon dioxide and/or water, the purified air is sent to the cryogenic separation facility, and at least one gas is recovered from the cryogenic separation facility. | 11-08-2012 |
20130086940 | AIR SEPARATION PLANT AND PROCESS OPERATING BY CRYOGENIC DISTILLATION - An air separation plant is provided that includes a plurality of air compressors, a plurality of air purification units, and one or more cold boxes. In a first mode of operation, a first air compressor is configured to compress air to a higher pressure than a second air compressor. In a second mode of operation, the second air compressor is configured to compress air to a higher pressure than during the first mode of operation. | 04-11-2013 |
20130255312 | Method and Apparatus for Drying Compressed Air - This invention relates to a method and apparatus to remove unwanted water moisture from industrial, commercial and home shop compressed air systems. The invention removes water through the process of thermal condensation. The reduced temperatures are generated by utilizing the Joule-Thompson effect through the manipulation of the pressure or pressures generated by the attached air compressor | 10-03-2013 |
20130319041 | NITROGEN-COOLED DYNAMOELECTRIC MACHINE SYSTEM AND RELATED METHOD - Various embodiments of the invention include systems and methods for cooling a dynamoelectric machine. In some embodiments, a system is disclosed including: at least one of a nitrogen separation unit (NSU) or an air separation unit (ASU) for extracting nitrogen from an inlet air source; a nitrogen expander fluidly connected with the at least one of the NSU or the ASU, the nitrogen expander for expanding the extracted nitrogen; and a dynamoelectric machine fluidly connected with the nitrogen expander, the dynamoelectric machine configured to receive the expanded nitrogen for cooling the dynamoelectric machine. | 12-05-2013 |
20140020426 | SYSTEM AND METHOD FOR USING A CHILLED FLUID TO COOL AN ELECTROMECHANICAL MACHINE - A system includes an air separation unit configured to generate a chilled fluid. The system also includes an electromechanical machine configured to be cooled via heat exchange with the chilled fluid. | 01-23-2014 |
20140208799 | APPARATUS AND AIR SEPARATION PLANT - The present invention relates to an apparatus and air separation plant in which a pumped liquid oxygen stream is heated within a heat exchanger through indirect heat exchange with compressed air to produce an oxygen product. The liquid oxygen stream is pressurized in a range above about 55 bar(a) and no greater than about 150 bar(a) and is a supercritical fluid after having been heated within the heat exchanger. The air is compressed to an air pressure that is a function of the oxygen pressure that will result in a minimum power being expended in the compression of the air. The heat exchanger can be a brazed fin heat exchanger fabricated from aluminum in which the fins located in heat exchange passages have an undulating configuration to increase the flow path length and induce flow separation and thereby increase the heat transfer coefficient within the heat exchanger. | 07-31-2014 |
20140216105 | HYBRID APPARATUS FOR DRYING A FLOW OF COMPRESSED GAS - Hybrid apparatus for drying compressed gas and including an adsorption dryer with first and second columns and an outflow device for the dried gas therefrom, a first diverting device to convey the compressed gas toward and through the first and second columns, a second diverting device to convey toward a downstream connected device the compressed gas coming from the first or second column, in which is arranged the command and control device to implement an adsorption cycle and a regeneration cycle that includes, for each column, an initialization, gas exhausting, regeneration, cooling and pressurization phases, and in which the initialization phase includes the determination of an assigned time within which subsequent phases must be maintained; the regeneration phase including tapping previously heated gas from the first column and feeding it into the second. The apparatus also includes a heating device connected to the second diverting device for the regeneration phase. | 08-07-2014 |
20140245782 | ARGON PRODUCTION METHOD AND APPARATUS - A method and apparatus for producing a purified liquid argon product in which liquid argon having oxygen impurities is produced in a cryogenic air separation plant by separating argon from oxygen within an argon column. An impure liquid argon stream, composed of part of the liquid argon, is purified in an adsorbent bed by adsorbing the oxygen impurities in an adsorbent to produce a purified liquid argon stream that constitutes the purified liquid argon product. During adsorption, the adsorbent bed is maintained at a reduced temperature with a coolant to prevent vaporization of the liquid argon. The bed is then regenerated by draining residual liquid argon from the adsorbent bed, introducing the residual liquid argon back into the air separation plant and then desorbing the oxygen impurities with a regeneration gas. After regeneration, the adsorbent bed is refilled with purified liquid argon prior to being brought back on-line. | 09-04-2014 |