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ES2177852T3 - Sistema criogenico para producir nitrogeno. - Google Patents

Sistema criogenico para producir nitrogeno.

Info

Publication number
ES2177852T3
ES2177852T3 ES97104880T ES97104880T ES2177852T3 ES 2177852 T3 ES2177852 T3 ES 2177852T3 ES 97104880 T ES97104880 T ES 97104880T ES 97104880 T ES97104880 T ES 97104880T ES 2177852 T3 ES2177852 T3 ES 2177852T3
Authority
ES
Spain
Prior art keywords
effluent
criogenic
nitrogen
produce nitrogen
cooled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES97104880T
Other languages
English (en)
Inventor
Mary Anne Knight
James Joseph Maloney
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Praxair Technology Inc
Original Assignee
Praxair Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc
Application granted granted Critical
Publication of ES2177852T3 publication Critical patent/ES2177852T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/08Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0027Condensation of vapours; Recovering volatile solvents by condensation by direct contact between vapours or gases and the cooling medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D8/00Cold traps; Cold baffles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/04Purification or separation of nitrogen
    • C01B21/0405Purification or separation processes
    • C01B21/0433Physical processing only
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00Purification or separation of specific gases
    • C01B2210/0043Impurity removed
    • C01B2210/0068Organic compounds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/02Processes or apparatus using separation by rectification in a single pressure main column system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00Processes or apparatus using other separation and/or other processing means
    • F25J2205/02Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00Processes or apparatus using other separation and/or other processing means
    • F25J2205/20Processes or apparatus using other separation and/or other processing means using solidification of components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00Processes or apparatus using other separation and/or other processing means
    • F25J2205/30Processes or apparatus using other separation and/or other processing means using a washing, e.g. "scrubbing" or bubble column for purification purposes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00Processes or apparatus using other separation and/or other processing means
    • F25J2205/60Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2210/00Processes characterised by the type or other details of the feed stream
    • F25J2210/04Mixing or blending of fluids with the feed stream
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2210/00Processes characterised by the type or other details of the feed stream
    • F25J2210/42Nitrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2215/00Processes characterised by the type or other details of the product stream
    • F25J2215/02Mixing or blending of fluids to yield a certain product
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2215/00Processes characterised by the type or other details of the product stream
    • F25J2215/42Nitrogen or special cases, e.g. multiple or low purity N2
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2230/00Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/42Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being nitrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2245/00Processes or apparatus involving steps for recycling of process streams
    • F25J2245/42Processes or apparatus involving steps for recycling of process streams the recycled stream being nitrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00Refrigeration techniques used
    • F25J2270/90External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
    • F25J2270/904External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration by liquid or gaseous cryogen in an open loop
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00Refrigeration
    • Y10S62/912External refrigeration system
    • Y10S62/913Liquified gas
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00Refrigeration
    • Y10S62/927Natural gas from nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

SE PRESENTA UN SISTEMA DE PROCESAMIENTO DE UN EFLUENTE QUE CONTIENE NITROGENO, A PARTIR DE UN PROCEDIMIENTO INDUSTRIAL EN EL QUE EL EFLUENTE ES ENFRIADO Y EL NITROGENO LIQUIDO SE AÑADE DIRECTAMENTE AL EFLUENTE ENFRIADO. EL CONTACTO DIRECTO Y EL INTERCAMBIO DE CALOR PRODUCE NITROGENO GASEOSO Y PRODUCTOS ORGANICOS LIQUIDOS, QUE SE UTILIZAN AMBOS PARA ENFRIAR EL EFLUENTE Y SON, POSTERIORMENTE, RECUPERADOS.
ES97104880T 1996-08-22 1997-03-21 Sistema criogenico para producir nitrogeno. Expired - Lifetime ES2177852T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/701,372 US5638698A (en) 1996-08-22 1996-08-22 Cryogenic system for producing nitrogen

Publications (1)

Publication Number Publication Date
ES2177852T3 true ES2177852T3 (es) 2002-12-16

Family

ID=24817095

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97104880T Expired - Lifetime ES2177852T3 (es) 1996-08-22 1997-03-21 Sistema criogenico para producir nitrogeno.

Country Status (5)

Country Link
US (1) US5638698A (es)
EP (1) EP0825402B1 (es)
BR (1) BR9701406A (es)
DE (1) DE69713002T2 (es)
ES (1) ES2177852T3 (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6257018B1 (en) * 1999-06-28 2001-07-10 Praxair Technology, Inc. PFC recovery using condensation
GB2363129A (en) * 2000-05-04 2001-12-12 Boc Group Plc Gas supply method and apparatus
US20030213688A1 (en) * 2002-03-26 2003-11-20 Wang Baechen Benson Process control of a distillation column
US9714789B2 (en) * 2008-09-10 2017-07-25 Praxair Technology, Inc. Air separation refrigeration supply method
FR2950684B1 (fr) * 2009-09-29 2012-02-17 Technip France Procede de traitement d'un effluent gazeux par solidification partielle d'un fluide intermediaire et installation de traitement associee.
WO2014178058A1 (en) 2013-05-01 2014-11-06 Fertilesafe Ltd Devices and methods for producing liquid air
TWI641789B (zh) 2015-07-10 2018-11-21 艾克頌美孚上游研究公司 使用液化天然氣製造液化氮氣之系統與方法
TWI608206B (zh) * 2015-07-15 2017-12-11 艾克頌美孚上游研究公司 藉由預冷卻天然氣供給流以增加效率的液化天然氣(lng)生產系統
TWI606221B (zh) * 2015-07-15 2017-11-21 艾克頌美孚上游研究公司 一倂移除溫室氣體之液化天然氣的生產系統和方法
EP3390941A1 (en) 2015-12-14 2018-10-24 Exxonmobil Upstream Research Company Method and system for separating nitrogen from liquefied natural gas using liquefied nitrogen
AU2016372711B2 (en) 2015-12-14 2019-05-02 Exxonmobil Upstream Research Company Method of natural gas liquefaction on LNG carriers storing liquid nitrogen
WO2018222230A1 (en) 2017-02-24 2018-12-06 Exxonmobil Upstream Research Company Method of purging a dual purpose lng/lin storage tank
JP7150063B2 (ja) 2018-06-07 2022-10-07 エクソンモービル アップストリーム リサーチ カンパニー 高圧圧縮および膨張による天然ガスの前処理および前冷却
EP3837482A1 (en) 2018-08-14 2021-06-23 ExxonMobil Upstream Research Company Conserving mixed refrigerant in natural gas liquefaction facilities
US11635252B2 (en) 2018-08-22 2023-04-25 ExxonMobil Technology and Engineering Company Primary loop start-up method for a high pressure expander process
JP7154385B2 (ja) 2018-08-22 2022-10-17 エクソンモービル アップストリーム リサーチ カンパニー 高圧エキスパンダプロセスのための補給ガス組成変動の管理
SG11202101058QA (en) 2018-08-22 2021-03-30 Exxonmobil Upstream Res Co Heat exchanger configuration for a high pressure expander process and a method of natural gas liquefaction using the same
US11578545B2 (en) 2018-11-20 2023-02-14 Exxonmobil Upstream Research Company Poly refrigerated integrated cycle operation using solid-tolerant heat exchangers
US11215410B2 (en) 2018-11-20 2022-01-04 Exxonmobil Upstream Research Company Methods and apparatus for improving multi-plate scraped heat exchangers
JP2022517930A (ja) 2019-01-30 2022-03-11 エクソンモービル アップストリーム リサーチ カンパニー Lng冷媒からの水分除去方法
US11668524B2 (en) 2019-01-30 2023-06-06 Exxonmobil Upstream Research Company Methods for removal of moisture from LNG refrigerant
US11465093B2 (en) 2019-08-19 2022-10-11 Exxonmobil Upstream Research Company Compliant composite heat exchangers
US20210063083A1 (en) 2019-08-29 2021-03-04 Exxonmobil Upstream Research Company Liquefaction of Production Gas
EP4031821A1 (en) 2019-09-19 2022-07-27 ExxonMobil Upstream Research Company Pretreatment and pre-cooling of natural gas by high pressure compression and expansion
WO2021055020A1 (en) 2019-09-19 2021-03-25 Exxonmobil Upstream Research Company Pretreatment and pre-cooling of natural gas by high pressure compression and expansion
US12050054B2 (en) 2019-09-19 2024-07-30 ExxonMobil Technology and Engineering Company Pretreatment, pre-cooling, and condensate recovery of natural gas by high pressure compression and expansion
US11083994B2 (en) 2019-09-20 2021-08-10 Exxonmobil Upstream Research Company Removal of acid gases from a gas stream, with O2 enrichment for acid gas capture and sequestration
EP4034798B1 (en) 2019-09-24 2024-04-17 ExxonMobil Technology and Engineering Company Cargo stripping features for dual-purpose cryogenic tanks on ships or floating storage units for lng and liquid nitrogen

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926501A (en) * 1956-12-24 1960-03-01 Union Stock Yard & Transit Co Chicago Method of and apparatus for recovering nitrogen from air by use of a cold boiling liquid such as nitrogen
CH545219A (de) * 1971-11-17 1973-12-15 Sulzer Ag Verfahren und Anlage zur Deckung von Stickstoffverlusten und zur Wiederverflüssigung von verdampften Erdgasanteilen in Tankschiffen
GB1582955A (en) * 1976-07-28 1981-01-21 Boc Ltd Condensation of the vapour of a volatile liquid
US4551981A (en) * 1981-05-20 1985-11-12 The Boc Group, Inc. Heat exchange methods and apparatus
US4444016A (en) * 1981-05-20 1984-04-24 Airco, Inc. Heat exchanger apparatus
US4424680A (en) * 1981-11-09 1984-01-10 Rothchild Ronald D Inexpensive method of recovering condensable vapors with a liquified inert gas
FR2544998B1 (fr) * 1983-04-29 1985-07-19 Inst Francais Du Petrole Nouveau procede de fractionnement d'un melange gazeux de plusieurs constituants
US4769054A (en) * 1987-10-21 1988-09-06 Union Carbide Corporation Abatement of vapors from gas streams by solidification
US4948404A (en) * 1989-08-03 1990-08-14 Phillips Petroleum Company Liquid nitrogen by-product production in an NGL plant
US5231772A (en) * 1989-09-11 1993-08-03 Herco-Kuhltechnik Hermans & Co. Apparatus and process for recovering solvents
US5076822A (en) * 1990-05-07 1991-12-31 Hewitt J Paul Vapor recovery system
DE4040389C2 (de) * 1990-12-17 1994-03-03 Air Prod Gmbh Verfahren zur Vermeidung oder Verringerung von störfallbedingten Zeitverzögerungen bei der Lösungsmittelrückgewinnung aus Fertigungsprozessen
US5220796A (en) * 1991-07-15 1993-06-22 The Boc Group, Inc. Adsorption condensation solvent recovery system
US5220799A (en) * 1991-12-09 1993-06-22 Geert Lievens Gasoline vapor recovery
US5291738A (en) * 1992-12-07 1994-03-08 Edwards Engineering Corp. Vapor recovery apparatus and method
US5339641A (en) * 1993-07-07 1994-08-23 Praxair Technology, Inc. Cryogenic liquid nitrogen production system
US5390499A (en) * 1993-10-27 1995-02-21 Liquid Carbonic Corporation Process to increase natural gas methane content
US5450728A (en) * 1993-11-30 1995-09-19 Air Products And Chemicals, Inc. Recovery of volatile organic compounds from gas streams
US5502969A (en) * 1995-02-16 1996-04-02 Praxair Technology, Inc. Cryogenic rectification system for fluorine compound recovery
US5540057A (en) * 1995-06-30 1996-07-30 Praxair Technology, Inc. Volatile organic compounds recovery from vent gas streams

Also Published As

Publication number Publication date
US5638698A (en) 1997-06-17
EP0825402B1 (en) 2002-06-05
DE69713002T2 (de) 2003-01-30
BR9701406A (pt) 1998-11-03
EP0825402A2 (en) 1998-02-25
EP0825402A3 (en) 1998-06-03
DE69713002D1 (de) 2002-07-11

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