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Refrigeration > Cryogenic Treatment Of Gas Or Gas Mixture > Separation Of Gas Mixture > Air > Distillation DistillationDistillation patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/03/08 - 20080000266 - System to increase capacity of lng-based liquefier in air separation process A system is set forth to increase the capacity of an LNG-based liquefier in a cryogenic air separation unit wherein, in a low production mode, the nitrogen that is fed to the LNG-based liquefier consists only of at least a portion of the high pressure nitrogen from the distillation column ... 11/15/07 - 20070261438 - Gaseous constituent supply device A gaseous constituent supply device for supplying an air vortex ring containing a gaseous constituent includes a first chamber for holding the gaseous constituent, a compressing portion for compressing air in the first chamber, and a second chamber communicating with the first chamber through an opening. The second chamber holds ... 10/18/07 - 20070240451 - Integration of igcc plant with superconducting power island A cooling system for high temperature superconductor equipment comprising a cryocooler in heat exchange relationship with the high temperature superconductor equipment, and an air separation unit in heat exchange relationship with the cryocooler, the system arranged such that heat from the high temperature superconductor equipment is rejected to said air ... 09/13/07 - 20070209389 - Cryogenic air separation system for enhanced liquid production A system for separating air by cryogenic rectification whereby liquid production is increased by employing two separate turboexpanders, one which exhausts at a pressure no higher than that sufficient to feed the lower pressure column, the other which exhausts at a pressure no lower than that sufficient to feed the ... 09/13/07 - 20070209388 - Cryogenic air separation method with temperature controlled condensed feed air A method for the cryogenic separation of air having defined temperatures for condensed feed air passed into a double column system relative to liquid oxygen and preferably to shelf vapor, and wherein kettle liquid is not subcooled from the higher pressure column to the lower pressure column. ... 09/06/07 - 20070204652 - Process and apparatus for producing ultrapure oxygen For the production of ultrapure oxygen, conduct the followig steps: introduce a feed air stream (10, 11, 42, 43) into a single distillation column (12) for producing nitrogen; withdraw an oxygen-containing stream (36, 39) from an intermediate stage of the single distillation column (12), introduce the oxygen-containing stream (36, 39) ... 08/30/07 - 20070199345 - Cryogenic air separation plant with reduced liquid drain loss A cryogenic air separation plant and method of operation wherein, after an interruption in operation, liquid from the sump of a lower pressure column and liquid from the sump of a higher pressure column is passed to a condenser, preferably an argon column top condenser, prior to the restarting of ... 06/21/07 - 20070137247 - Integrated process and air separation process An integrated process and air separation process including the steps of: Work expanding at least one first pressurized gas 39 derived from a first process at a first site 1, using work generated by the expansion of the at least one pressurized gas to drive a first air compressor 5 ... 05/03/07 - 20070095100 - Cryogenic air separation process with excess turbine refrigeration A process for carrying out cryogenic air separation wherein liquid oxygen is pressurized and vaporized against condensing feed air to produce oxygen gas product wherein excess plant refrigeration is generated such that the aggregate warm end temperature difference of the process exceeds the minimum internal temperature difference of the primary ... 03/01/07 - 20070044507 - Process for the recovery of krypton and/or xenon by low-temperature separation of air The process is used for the recovery of krypton and/or xenon by low-temperature separation of air. Compressed and purified feed air (1, 1A, 1B, 29) is introduced into a rectification system for nitrogen-oxygen separation, which has a high-pressure column (2) and a low-pressure column (3). An oxygen-rich liquid (42) is ... 02/08/07 - 20070028649 - Cryogenic air separation main condenser system with enhanced boiling and condensing surfaces A cryogenic air separation system having a main condenser comprising a plurality of tubes having fluted external condensing surfaces upon which downflowing nitrogen vapor condenses, and having structured internal boiling surfaces upon which downflowing oxygen liquid vaporizes. ... 12/21/06 - 20060283208 - Cryogenic air separation with once-through main condenser A cryogenic air separation system wherein nitrogen vapor from a higher pressure column and oxygen liquid from a lower pressure column each pass down through a once-through main condenser in heat exchange relation and some but not all of the oxygen liquid is vaporized such that the oxygen liquid and ... 11/23/06 - 20060260358 - Gas separation liquefaction means and processes Single or double column cryogenic gas-separation/liquefaction devices, where refrigeration to the device is supplied by a cryocooler alone or by a combination of a cryocooler and by a Joule-Thompson throttling process, where the gas condensation may occur directly on the cold portion of the cryocooler which may be located inside ... 11/23/06 - 20060260357 - Apparatus for cryogenic air distillation An apparatus for the cryogenic distillation of air includes an assembled unit that has a first distillation column module within which is provided a cryogenic distillation column; a heat exchange module within which is provided heat exchange means for cooling column feed air to a cryogenic distillation temperature; and at ... 09/28/06 - 20060213224 - Process and installation for the fractionation of air into specific gases In order to reduce incoming atmospheric carbon dioxide levels in compressed air prior to cryogenic distillation, a water spray cooling tower equipped with biocatalytic packing, or fed with absorptive reagents, is used to convert gaseous carbon dioxide into bicarbonate ions which dissolve in the cooling water. The hydration reaction and ... 08/24/06 - 20060185389 - Cryogenic rectification system for neon production A cryogenic rectification system employing a phase separator, which may include one or more trays, in conjunction with a double column air separation plant, wherein some shelf liquid is subcooled and phase separated to produce crude neon vapor, and the remaining liquid is used to reflux the lower pressure column ... 08/03/06 - 20060169000 - Process and apparatus for the separation of air by cryogenic distillation This disclosure discusses the problems associated with the design, layout, and construction of units and equipment in air separation units. The invention of this disclosure provides a process and apparatus using multiple discrete subcoolers. The nitrogen stream exiting the cryogenic distillation columns cools streams in the subcoolers. By having at ... 06/29/06 - 20060137392 - Process and apparatus for cooling a stream of compressed air Process and apparatus for cooling a compressed gas stream which utilizes one or more elongated vessels having a substantially vertical orientation. Each vessel has one compartment for indirect heat exchange between the compressed gas stream and a cooling stream and a second compartment for direct contact between the compressed gas ... 04/27/06 - 20060086141 - Cold box and cryogenic plant including a cold box This disclosure discusses providing safer and more accessible insulating cold boxes for cryogenic equipment. A cold box of the current invention includes a housing partially extending out of the cold box jacket wherein equipment that may need to be accessed can be located. The housing includes a breakaway barrier between ... 04/13/06 - 20060075779 - Process for the cryogenic distillation of air Pressurized gaseous nitrogen (“GAN”) is produced in a process in which liquid nitrogen (“LIN”) is produced in a cryogenic air separation unit (“ASU”). The pressure of at least a portion of the LIN is increased to produce pressurized LIN. A fluid having an oxygen concentration at least equal to that ... 04/13/06 - 20060075778 - Method and system for treating an oxygen-rich liquid bath collected at the foot of a cryogenic distillation column Methods and apparatus for treating a liquid bath of oxygen. A liquid bath of at least 70 mol % of oxygen is located at the base of a cryogenic distillation column. The bath is continuously boiled by an aluminum reboiler. A portion of the liquid bath is purged to prevent ... 02/02/06 - 20060021380 - Method and installation for production of noble gases and oxygen by means of cryrogenic air distillation A method and an apparatus for producing oxygen and noble gases by cryogenic distillation. A first stream of cooled and purified air is sent to a medium pressure column where it is separated. A first nitrogen enriched stream is withdrawn from the medium pressure column, and part of this stream ... 01/19/06 - 20060010912 - Low temperature air separation process for producing pressurized gaseous product An apparatus and process for producing pressurized gaseous product by air separation. A compressed air stream is cooled in an exchanger to form a compressed cooled air stream. The stream is then cryogenically compressed in a first compressor to form a first pressurized gas stream. The first pressurized gas stream ... 01/12/06 - 20060005574 - Method for extracting argon by low-temperature air separation The invention relates to a process for recovering argon by low-temperature separation of air. Rectifying system (2, 4) exhibits at least one air separation column (4), which has a partition (5) that runs in lengthwise direction of the column, by which air separation column (4) is separated at the level ... 12/15/05 - 20050274142 - Cryogenically producing oxygen-enriched liquid and/or gaseous oxygen from atmospheric air A system and method are disclosed for the production of oxygen-enriched liquid and purified gaseous oxygen from local atmospheric air. In one embodiment, the system includes an air mover for generating a local atmospheric air stream; a cryocooler including a cooling element thermally coupled to a condensing separator; a heat ... 09/08/05 - 20050193765 - Process for separating air by cryogenic distillation and installation for implementing this process A process and an apparatus for separating air by cryogenic distillation. The apparatus has a medium pressure column thermally coupled to a low pressure column. Compressed and purified air is cooled to cryogenic temperature in an exchanger, and sent at least partly to the medium pressure column. Streams enriched in ... 08/18/05 - 20050178153 - Integrated process and air separation process An integrated process and air separation process including the steps of: Work expanding at least one first pressurized gas 39 derived from a first process at a first site 1, using work generated by the expansion of the at least one pressurized gas to drive a first air compressor 5 ... 08/11/05 - 20050172666 - Method of operating a production plant and production plant Production plants for treating gas mixtures and methods of their operation. The plant's treatment unit is operated in periods when the cost of electricity is either above a first level or below a second level. At some point when the cost is below the second level, part of the fluid ... 06/16/05 - 20050126221 - Process and apparatus for the separation of air by cryogenic distillation A process for separating air by cryogenic distillation in a column system comprising a high pressure column and a low pressure column comprises compressing all the feed air in a first compressor (1) to a first outlet pressure, sending a first part of the air at the first outlet pressure ... ### FreshPatents.com Support |