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
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title abstract 8
- 229910052757 nitrogen Inorganic materials 0.000 title abstract 4
- 239000007788 liquid Substances 0.000 abstract 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0027—Condensation of vapours; Recovering volatile solvents by condensation by direct contact between vapours or gases and the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D8/00—Cold traps; Cold baffles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/04—Purification or separation of nitrogen
- C01B21/0405—Purification or separation processes
- C01B21/0433—Physical processing only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0068—Organic compounds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/20—Processes or apparatus using other separation and/or other processing means using solidification of components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/30—Processes or apparatus using other separation and/or other processing means using a washing, e.g. "scrubbing" or bubble column for purification purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/60—Processes 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/04—Mixing or blending of fluids with the feed stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/42—Nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/02—Mixing or blending of fluids to yield a certain product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/42—Nitrogen or special cases, e.g. multiple or low purity N2
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/42—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/42—Processes or apparatus involving steps for recycling of process streams the recycled stream being nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
- F25J2270/904—External 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
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/912—External refrigeration system
- Y10S62/913—Liquified gas
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/927—Natural 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.
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)
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)
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 |
-
1996
- 1996-08-22 US US08/701,372 patent/US5638698A/en not_active Expired - Lifetime
-
1997
- 1997-03-21 BR BR9701406A patent/BR9701406A/pt not_active IP Right Cessation
- 1997-03-21 EP EP97104880A patent/EP0825402B1/en not_active Expired - Lifetime
- 1997-03-21 ES ES97104880T patent/ES2177852T3/es not_active Expired - Lifetime
- 1997-03-21 DE DE69713002T patent/DE69713002T2/de not_active Expired - Fee Related
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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