DE3862231D1 - Aethylen-rueckgewinnungs- und reinigungsverfahren. - Google Patents
Aethylen-rueckgewinnungs- und reinigungsverfahren.Info
- Publication number
- DE3862231D1 DE3862231D1 DE8888106408T DE3862231T DE3862231D1 DE 3862231 D1 DE3862231 D1 DE 3862231D1 DE 8888106408 T DE8888106408 T DE 8888106408T DE 3862231 T DE3862231 T DE 3862231T DE 3862231 D1 DE3862231 D1 DE 3862231D1
- Authority
- DE
- Germany
- Prior art keywords
- ethylene
- recovery
- gases
- aethylene
- feed gas
- 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
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 |
---|---|
DE3862231D1 true DE3862231D1 (de) | 1991-05-08 |
Family
ID=21927906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888106408T Expired - Lifetime DE3862231D1 (de) | 1987-04-28 | 1988-04-21 | Aethylen-rueckgewinnungs- und reinigungsverfahren. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4720293A (de) |
EP (1) | EP0288912B1 (de) |
JP (1) | JP2575045B2 (de) |
AT (1) | ATE62338T1 (de) |
DE (1) | DE3862231D1 (de) |
ES (1) | ES2021784B3 (de) |
GR (1) | GR3001904T3 (de) |
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 |
US5361589A (en) * | 1994-02-04 | 1994-11-08 | Air Products And Chemicals, Inc. | Precooling for ethylene recovery in dual demethanizer fractionation systems |
US5379597A (en) * | 1994-02-04 | 1995-01-10 | Air Products And Chemicals, Inc. | Mixed refrigerant cycle for ethylene recovery |
ES2112569T3 (es) * | 1994-02-04 | 1998-04-01 | Air Prod & Chem | Procedimiento de recuperacion de etileno con circuito abierto de agente de refrigeracion mixto. |
US5377490A (en) * | 1994-02-04 | 1995-01-03 | Air Products And Chemicals, Inc. | Open loop mixed refrigerant cycle for ethylene recovery |
DE69500473T2 (de) * | 1994-02-04 | 1997-12-04 | Air Products And Chemicals, Inc., Allentown, Pa. | Verfahren zur Rückgewinnung von Ethylen mit gemischtem Kühlmittelumlauf |
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 |
PL1861478T3 (pl) * | 2005-03-16 | 2012-07-31 | Fuelcor Llc | Układy i sposoby do wytwarzania syntetycznych związków węglowodorowych |
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 |
EP2257511A1 (de) * | 2008-02-28 | 2010-12-08 | SOLVAY (Société Anonyme) | Verfahren zur herstellung mindestens einer ethylen-derivat-verbindung |
EP2285795B1 (de) | 2008-05-15 | 2017-03-22 | Shell Internationale Research Maatschappij B.V. | Herstellungsverfahren für ein alkylencarbonat und/oder ein alkylenglykol |
RU2506123C2 (ru) | 2008-05-15 | 2014-02-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Способ получения алкиленкарбоната и алкиленгликоля |
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 |
WO2013004544A1 (en) * | 2011-07-07 | 2013-01-10 | Ineos Europe Ag | Process and apparatus for producing olefins with heat transfer from steam cracking to alcohol dehydration process. |
CN104884413B (zh) * | 2012-11-15 | 2017-09-15 | 鲁姆斯科技公司 | 从甲醇制烯烃方法回收乙烯 |
ES2662890T3 (es) * | 2013-11-14 | 2018-04-10 | Linde Aktiengesellschaft | Procedimiento para la separación de una mezcla de hidrocarburos |
MX2017003628A (es) * | 2014-09-30 | 2017-07-13 | Dow Global Technologies Llc | Proceso para aumentar el rendimiento de etileno y propileno de una planta de propileno. |
CN104649858B (zh) * | 2014-12-26 | 2017-01-11 | 浙江大学 | 一种丁辛醇尾气回收***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 |
RU2745176C2 (ru) * | 2018-07-02 | 2021-03-22 | Андрей Владиславович Курочкин | Установка получения газомоторных топлив из природного газа (варианты) |
RU2745178C2 (ru) * | 2018-07-02 | 2021-03-22 | Андрей Владиславович Курочкин | Установка производства газомоторных топлив из природного газа (варианты) |
BR112021007572A2 (pt) | 2018-11-02 | 2021-07-27 | Shell Internationale Research Maatschappij B.V. | processo para a produção de etileno por desidrogenação oxidativa de etano |
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 ES ES88106408T patent/ES2021784B3/es not_active Expired - Lifetime
- 1988-04-21 DE DE8888106408T patent/DE3862231D1/de not_active Expired - Lifetime
- 1988-04-21 AT AT88106408T patent/ATE62338T1/de not_active IP Right Cessation
- 1988-04-21 EP EP88106408A patent/EP0288912B1/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 |
---|---|
ES2021784B3 (es) | 1991-11-16 |
EP0288912B1 (de) | 1991-04-03 |
GR3001904T3 (en) | 1992-11-23 |
US4720293A (en) | 1988-01-19 |
JPS63280030A (ja) | 1988-11-17 |
EP0288912A1 (de) | 1988-11-02 |
JP2575045B2 (ja) | 1997-01-22 |
ATE62338T1 (de) | 1991-04-15 |
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