GR3001904T3 - Process for recovery and purification of ethylene - Google Patents

Process for recovery and purification of ethylene

Info

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
Application number
GR91400575T
Other languages
English (en)
Inventor
Dennis Patrick Bernhard
Howard Charles Rowles
Kimberly Schroeder Grassi
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Publication of GR3001904T3 publication Critical patent/GR3001904T3/el

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
    • F25J3/02Processes 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
    • F25J3/0228Processes 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
    • F25J3/0242Processes 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/04Purification; Separation; Use of additives by distillation
    • 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
    • F25J3/02Processes 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
    • F25J3/0204Processes 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
    • F25J3/0219Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
    • 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
    • F25J3/02Processes 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
    • F25J3/0228Processes 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
    • F25J3/0238Processes 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
    • 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
    • F25J2200/80Processes or apparatus using separation by rectification using integrated mass and heat exchange, i.e. non-adiabatic rectification in a reflux exchanger or dephlegmator
    • 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
    • F25J2205/82Processes or apparatus using other separation and/or other processing means using a reactor with combustion or catalytic reaction
    • 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
    • F25J2210/12Refinery or petrochemical off-gas
    • 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
    • F25J2215/62Ethane or ethylene
    • 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
    • F25J2235/00Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/60Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being (a mixture of) hydrocarbons
    • 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
    • F25J2270/04Internal refrigeration with work-producing gas expansion loop
    • 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
    • F25J2270/12External refrigeration with liquid vaporising loop
    • 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
    • F25J2270/66Closed 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)
GR91400575T 1987-04-28 1991-05-03 Process for recovery and purification of ethylene GR3001904T3 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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