GR3001904T3 - Process for recovery and purification of ethylene - Google Patents
Process for recovery and purification of ethyleneInfo
- Publication number
- GR3001904T3 GR3001904T3 GR91400575T GR910400575T GR3001904T3 GR 3001904 T3 GR3001904 T3 GR 3001904T3 GR 91400575 T GR91400575 T GR 91400575T GR 910400575 T GR910400575 T GR 910400575T GR 3001904 T3 GR3001904 T3 GR 3001904T3
- Authority
- GR
- Greece
- Prior art keywords
- ethylene
- purification
- recovery
- gases
- feed gas
- Prior art date
Links
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
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0242—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 3 carbon atoms or more
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
-
- 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
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
- F25J3/0219—Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
-
- 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
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0238—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 2 carbon atoms or more
-
- 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
- F25J2200/80—Processes or apparatus using separation by rectification using integrated mass and heat exchange, i.e. non-adiabatic rectification in a reflux exchanger or dephlegmator
-
- 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
- F25J2205/82—Processes or apparatus using other separation and/or other processing means using a reactor with combustion or catalytic reaction
-
- 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
- F25J2210/12—Refinery or petrochemical off-gas
-
- 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
- F25J2215/62—Ethane or ethylene
-
- 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
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/60—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being (a mixture of) hydrocarbons
-
- 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
- F25J2270/04—Internal refrigeration with work-producing gas expansion loop
-
- 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
- F25J2270/12—External refrigeration with liquid vaporising loop
-
- 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
- F25J2270/66—Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of hydrocarbons
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyethers (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/043,582 US4720293A (en) | 1987-04-28 | 1987-04-28 | Process for the recovery and purification of ethylene |
Publications (1)
Publication Number | Publication Date |
---|---|
GR3001904T3 true GR3001904T3 (en) | 1992-11-23 |
Family
ID=21927906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR91400575T GR3001904T3 (en) | 1987-04-28 | 1991-05-03 | Process for recovery and purification of ethylene |
Country Status (7)
Country | Link |
---|---|
US (1) | US4720293A (el) |
EP (1) | EP0288912B1 (el) |
JP (1) | JP2575045B2 (el) |
AT (1) | ATE62338T1 (el) |
DE (1) | DE3862231D1 (el) |
ES (1) | ES2021784B3 (el) |
GR (1) | GR3001904T3 (el) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5035732A (en) * | 1990-01-04 | 1991-07-30 | Stone & Webster Engineering Corporation | Cryogenic separation of gaseous mixtures |
IT1241471B (it) * | 1990-07-06 | 1994-01-17 | Tpl | Processo ed apparecchiatura per il massimo recupero dell'etilene e del propilene dal gas prodotto dalla pirolisi di idrocarburi. |
US5152148A (en) * | 1991-06-14 | 1992-10-06 | Liquid Energy Corporation | Propane removal process |
US5315832A (en) * | 1993-02-12 | 1994-05-31 | Process System International, Inc. | Process for the recovery of a light hydrocarbon fraction from marine loading operations |
US5377490A (en) * | 1994-02-04 | 1995-01-03 | Air Products And Chemicals, Inc. | Open loop mixed refrigerant cycle for ethylene recovery |
US5361589A (en) * | 1994-02-04 | 1994-11-08 | Air Products And Chemicals, Inc. | Precooling for ethylene recovery in dual demethanizer fractionation systems |
EP0667327B1 (en) * | 1994-02-04 | 1997-11-19 | Air Products And Chemicals, Inc. | Open loop mixed refrigerant cycle for ethylene recovery |
EP0667326B1 (en) * | 1994-02-04 | 1997-07-30 | Air Products And Chemicals, Inc. | Mixed refrigerant cycle for ethylene recovery |
US5379597A (en) * | 1994-02-04 | 1995-01-10 | Air Products And Chemicals, Inc. | Mixed refrigerant cycle for ethylene recovery |
US5678424A (en) * | 1995-10-24 | 1997-10-21 | Brown & Root, Inc. | Rectified reflux deethanizer |
US5680775A (en) * | 1996-01-12 | 1997-10-28 | Manley; David B. | Demixing sidedraws for distillation columns |
US5746066A (en) * | 1996-09-17 | 1998-05-05 | Manley; David B. | Pre-fractionation of cracked gas or olefins fractionation by one or two mixed refrigerant loops and cooling water |
US5960643A (en) * | 1996-12-31 | 1999-10-05 | Exxon Chemical Patents Inc. | Production of ethylene using high temperature demethanization |
US5880320A (en) * | 1997-08-05 | 1999-03-09 | Netzer; David | Combination process for manufacturing ethylene ethylbenzene and styrene |
US5802871A (en) * | 1997-10-16 | 1998-09-08 | Air Products And Chemicals, Inc. | Dephlegmator process for nitrogen removal from natural gas |
US6237365B1 (en) | 1998-01-20 | 2001-05-29 | Transcanada Energy Ltd. | Apparatus for and method of separating a hydrocarbon gas into two fractions and a method of retrofitting an existing cryogenic apparatus |
US5983665A (en) * | 1998-03-03 | 1999-11-16 | Air Products And Chemicals, Inc. | Production of refrigerated liquid methane |
US7041271B2 (en) * | 2002-10-10 | 2006-05-09 | Praxair Technology, Inc. | Integrated olefin recovery and hydrogen production from refinery off-gases |
SG160406A1 (en) | 2005-03-16 | 2010-04-29 | Fuelcor Llc | Systems, methods, and compositions for production of synthetic hydrocarbon compounds |
WO2007018509A1 (en) * | 2005-07-28 | 2007-02-15 | Innovene Usa Llc | Cryogenic fractionation process |
DE102005050388A1 (de) * | 2005-10-20 | 2007-04-26 | Linde Ag | Rückgewinnungssystem für die Weiterverarbeitung eines Spaltgasstroms einer Ethylenanlage |
JP2008239892A (ja) * | 2007-03-28 | 2008-10-09 | Mitsubishi Chemicals Corp | 原料ガス精製方法及びシステム |
US9144765B2 (en) | 2007-05-18 | 2015-09-29 | Shell Oil Company | Reactor system, an absorbent and a process for reacting a feed |
MX2010009187A (es) * | 2008-02-28 | 2010-09-10 | Solvay Soc Amonyme | Proceso para la fabricacion de por lo menos un compuesto derivado de etileno. |
RU2506124C2 (ru) | 2008-05-15 | 2014-02-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Способ получения алкиленкарбоната и/или алкиленгликоля |
CA2724084A1 (en) | 2008-05-15 | 2009-11-19 | Shell Internationale Research Maatschappij B.V. | Process for the preparation of an alkylene carbonate and an alkylene glycol |
CN101844959B (zh) * | 2009-03-26 | 2013-02-06 | 中国石油化工股份有限公司 | 裂解气压缩段间选择加氢的方法 |
US9604888B2 (en) | 2011-07-07 | 2017-03-28 | Ineos Europe Ag | Process and apparatus for producing olefins with heat transfer from steam cracking to alcohol dehydration process |
WO2014077998A1 (en) * | 2012-11-15 | 2014-05-22 | Lummus Technology Inc. | Recovery of ethylene from methanol to olefins process |
NO3068849T3 (el) * | 2013-11-14 | 2018-06-30 | ||
US10808999B2 (en) * | 2014-09-30 | 2020-10-20 | Dow Global Technologies Llc | Process for increasing ethylene and propylene yield from a propylene plant |
CN104649858B (zh) * | 2014-12-26 | 2017-01-11 | 浙江大学 | 一种丁辛醇尾气回收系统及其方法 |
DE102016200565A1 (de) * | 2016-01-18 | 2017-07-20 | Linde Aktiengesellschaft | Verfahren zur trenntechnischen Bearbeitung eines Gasgemischs |
US10052581B1 (en) | 2017-09-20 | 2018-08-21 | Uop Llc | Process for recovery of cracker feed from dry gas |
RU2673970C1 (ru) * | 2018-03-27 | 2018-12-03 | Андрей Владиславович Курочкин | Установка для редуцирования природного газа и получения газомоторных топлив (варианты) |
RU2758962C2 (ru) * | 2018-06-27 | 2021-11-03 | Общество с ограниченной ответственностью научно-исследовательский и проектный институт "ПЕГАЗ" | Установка редуцирования природного газа с получением газомоторных топлив |
RU2745178C2 (ru) * | 2018-07-02 | 2021-03-22 | Андрей Владиславович Курочкин | Установка производства газомоторных топлив из природного газа (варианты) |
RU2745176C2 (ru) * | 2018-07-02 | 2021-03-22 | Андрей Владиславович Курочкин | Установка получения газомоторных топлив из природного газа (варианты) |
US11319265B2 (en) | 2018-11-02 | 2022-05-03 | Shell Usa, Inc. | Separation of ethane oxidative dehydrogenation effluent |
CN114213209B (zh) * | 2021-12-30 | 2023-12-22 | 广东华特气体股份有限公司 | 一种乙烯纯化方法 |
CN114805007A (zh) * | 2022-05-11 | 2022-07-29 | 苏州金宏气体股份有限公司 | 一种高纯乙烯制备方法 |
US20240191941A1 (en) * | 2022-12-08 | 2024-06-13 | Uop Llc | Ethane separation with overhead cryogenic heat exchanger |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2777305A (en) * | 1953-12-28 | 1957-01-15 | Phillips Petroleum Co | Separation and recovery of ethylene |
US2938934A (en) * | 1958-06-04 | 1960-05-31 | Dow Chemical Co | Process for recovery of ethylene |
FR1447816A (fr) * | 1964-09-25 | 1966-07-29 | Lummus Co | Récupération de l'éthylène |
BE758567A (fr) * | 1969-11-07 | 1971-05-06 | Fluor Corp | Procede de recuperation d'ethylene a basse pression |
US4002042A (en) * | 1974-11-27 | 1977-01-11 | Air Products And Chemicals, Inc. | Recovery of C2 + hydrocarbons by plural stage rectification and first stage dephlegmation |
FR2339826A1 (fr) * | 1976-01-30 | 1977-08-26 | Technip Cie | Procede et installation de traitement par echanges de chaleur a basses temperatures en particulier pour le traitement des gaz naturels et des gaz craques |
US4035167A (en) * | 1976-02-13 | 1977-07-12 | Continental Oil Company | Recovery of ethane and ethylene from gaseous mixtures |
IT1058546B (it) * | 1976-03-26 | 1982-05-10 | Snam Progetti | Processo per il frazoonamento mediante refrigerazione dei gas di cracking negli impianti per la produzione di etilene |
DE2735588C2 (de) * | 1977-08-06 | 1979-10-04 | Linde Ag, 6200 Wiesbaden | Verfahren zur Trennung von Äthylen enthaltenden Kohlenwasserstoffgemischen durch Rektifikation bei tiefen Temperaturen |
US4356014A (en) * | 1979-04-04 | 1982-10-26 | Petrochem Consultants, Inc. | Cryogenic recovery of liquids from refinery off-gases |
US4272270A (en) * | 1979-04-04 | 1981-06-09 | Petrochem Consultants, Inc. | Cryogenic recovery of liquid hydrocarbons from hydrogen-rich |
FR2458525A1 (fr) * | 1979-06-06 | 1981-01-02 | Technip Cie | Procede perfectionne de fabrication de l'ethylene et installation de production d'ethylene comportant application de ce procede |
US4285708A (en) * | 1979-08-10 | 1981-08-25 | Phillips Petroleum Co. | De-ethanizing means |
US4270940A (en) * | 1979-11-09 | 1981-06-02 | Air Products And Chemicals, Inc. | Recovery of C2 hydrocarbons from demethanizer overhead |
AT371919B (de) * | 1980-09-11 | 1983-08-10 | Linde Ag | Verfahren zur anreicherung niedermolekularer olefine durch waschung |
US4404008A (en) * | 1982-02-18 | 1983-09-13 | Air Products And Chemicals, Inc. | Combined cascade and multicomponent refrigeration method with refrigerant intercooling |
US4496381A (en) * | 1983-02-01 | 1985-01-29 | Stone & Webster Engineering Corp. | Apparatus and method for recovering light hydrocarbons from hydrogen containing gases |
US4504296A (en) * | 1983-07-18 | 1985-03-12 | Air Products And Chemicals, Inc. | Double mixed refrigerant liquefaction process for natural gas |
US4548629A (en) * | 1983-10-11 | 1985-10-22 | Exxon Production Research Co. | Process for the liquefaction of natural gas |
US4545795A (en) * | 1983-10-25 | 1985-10-08 | Air Products And Chemicals, Inc. | Dual mixed refrigerant natural gas liquefaction |
US4525185A (en) * | 1983-10-25 | 1985-06-25 | Air Products And Chemicals, Inc. | Dual mixed refrigerant natural gas liquefaction with staged compression |
US4707120A (en) * | 1985-10-09 | 1987-11-17 | Fuji Photo Film Co., Ltd. | Method and apparatus for exposure correction in color printing from exposed photographic color film |
US4707170A (en) * | 1986-07-23 | 1987-11-17 | Air Products And Chemicals, Inc. | Staged multicomponent refrigerant cycle for a process for recovery of C+ hydrocarbons |
-
1987
- 1987-04-28 US US07/043,582 patent/US4720293A/en not_active Expired - Lifetime
-
1988
- 1988-04-21 EP EP88106408A patent/EP0288912B1/en not_active Expired - Lifetime
- 1988-04-21 AT AT88106408T patent/ATE62338T1/de not_active IP Right Cessation
- 1988-04-21 ES ES88106408T patent/ES2021784B3/es not_active Expired - Lifetime
- 1988-04-21 DE DE8888106408T patent/DE3862231D1/de not_active Expired - Lifetime
- 1988-04-22 JP JP63100017A patent/JP2575045B2/ja not_active Expired - Fee Related
-
1991
- 1991-05-03 GR GR91400575T patent/GR3001904T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE3862231D1 (de) | 1991-05-08 |
JP2575045B2 (ja) | 1997-01-22 |
ES2021784B3 (es) | 1991-11-16 |
US4720293A (en) | 1988-01-19 |
EP0288912A1 (en) | 1988-11-02 |
EP0288912B1 (en) | 1991-04-03 |
JPS63280030A (ja) | 1988-11-17 |
ATE62338T1 (de) | 1991-04-15 |
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