ES443020A1 - Metodo para separar y recuperar la mayor parte de contenido de hidrocarburos c2+ de un gas de alimentacion. - Google Patents
Metodo para separar y recuperar la mayor parte de contenido de hidrocarburos c2+ de un gas de alimentacion.Info
- Publication number
- ES443020A1 ES443020A1 ES443020A ES443020A ES443020A1 ES 443020 A1 ES443020 A1 ES 443020A1 ES 443020 A ES443020 A ES 443020A ES 443020 A ES443020 A ES 443020A ES 443020 A1 ES443020 A1 ES 443020A1
- Authority
- ES
- Spain
- Prior art keywords
- stage
- hydrocarbons
- recovery
- stream
- dephlegmation
- 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
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
- F25J3/0252—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 hydrogen
-
- 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
- F25J3/0233—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 1 carbon atom 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
- 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
- F25J2200/02—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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/74—Refluxing the column with at least a part of the partially condensed overhead 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
- 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
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/04—Internal refrigeration with work-producing gas expansion 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/40—Ethylene production
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/527,516 US4002042A (en) | 1974-11-27 | 1974-11-27 | Recovery of C2 + hydrocarbons by plural stage rectification and first stage dephlegmation |
Publications (1)
Publication Number | Publication Date |
---|---|
ES443020A1 true ES443020A1 (es) | 1977-04-16 |
Family
ID=24101773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES443020A Expired ES443020A1 (es) | 1974-11-27 | 1975-11-26 | Metodo para separar y recuperar la mayor parte de contenido de hidrocarburos c2+ de un gas de alimentacion. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4002042A (es) |
JP (1) | JPS5174981A (es) |
BE (1) | BE835982A (es) |
BR (1) | BR7507703A (es) |
CA (1) | CA1026228A (es) |
DE (1) | DE2552140C2 (es) |
ES (1) | ES443020A1 (es) |
FR (1) | FR2292761A1 (es) |
GB (1) | GB1509789A (es) |
IT (1) | IT1049866B (es) |
NL (1) | NL185453C (es) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4331461A (en) * | 1978-03-10 | 1982-05-25 | Phillips Petroleum Company | Cryogenic separation of lean and rich gas streams |
DE2843982A1 (de) * | 1978-10-09 | 1980-04-24 | Linde Ag | Verfahren zum zerlegen eines gasgemisches |
US4270939A (en) * | 1979-08-06 | 1981-06-02 | Air Products And Chemicals, Inc. | Separation of hydrogen containing gas mixtures |
US4270940A (en) * | 1979-11-09 | 1981-06-02 | Air Products And Chemicals, Inc. | Recovery of C2 hydrocarbons from demethanizer overhead |
US4336046A (en) * | 1980-09-12 | 1982-06-22 | Tenneco Oil Company | C4 Separation process |
US4496381A (en) * | 1983-02-01 | 1985-01-29 | Stone & Webster Engineering Corp. | Apparatus and method for recovering light hydrocarbons from hydrogen containing gases |
US4519825A (en) * | 1983-04-25 | 1985-05-28 | Air Products And Chemicals, Inc. | Process for recovering C4 + hydrocarbons using a dephlegmator |
JPS61106523A (ja) * | 1984-10-31 | 1986-05-24 | Mitsui Eng & Shipbuild Co Ltd | 炭化水素分解物の精製法 |
US4714487A (en) * | 1986-05-23 | 1987-12-22 | Air Products And Chemicals, Inc. | Process for recovery and purification of C3 -C4+ hydrocarbons using segregated phase separation and dephlegmation |
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 |
US4720294A (en) * | 1986-08-05 | 1988-01-19 | Air Products And Chemicals, Inc. | Dephlegmator process for carbon dioxide-hydrocarbon distillation |
US4732598A (en) * | 1986-11-10 | 1988-03-22 | Air Products And Chemicals, Inc. | Dephlegmator process for nitrogen rejection from natural gas |
US4720293A (en) * | 1987-04-28 | 1988-01-19 | Air Products And Chemicals, Inc. | Process for the recovery and purification of ethylene |
US4854955A (en) * | 1988-05-17 | 1989-08-08 | Elcor Corporation | Hydrocarbon gas processing |
US4869740A (en) * | 1988-05-17 | 1989-09-26 | Elcor Corporation | Hydrocarbon gas processing |
US4889545A (en) * | 1988-11-21 | 1989-12-26 | Elcor Corporation | Hydrocarbon gas processing |
US4900347A (en) * | 1989-04-05 | 1990-02-13 | Mobil Corporation | Cryogenic separation of gaseous mixtures |
US5354547A (en) * | 1989-11-14 | 1994-10-11 | Air Products And Chemicals, Inc. | Hydrogen recovery by adsorbent membranes |
US5507856A (en) | 1989-11-14 | 1996-04-16 | Air Products And Chemicals, Inc. | Hydrogen recovery by adsorbent membranes |
US5035732A (en) * | 1990-01-04 | 1991-07-30 | Stone & Webster Engineering Corporation | Cryogenic separation of gaseous mixtures |
US5287703A (en) * | 1991-08-16 | 1994-02-22 | Air Products And Chemicals, Inc. | Process for the recovery of C2 + or C3 + hydrocarbons |
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 |
US5377490A (en) * | 1994-02-04 | 1995-01-03 | Air Products And Chemicals, Inc. | Open loop mixed refrigerant cycle for ethylene recovery |
DE19504555A1 (de) * | 1995-02-11 | 1996-08-14 | Huels Chemische Werke Ag | Verfahren zur Spaltung von Tertiärbutylalkohol in einer Reaktionsdestillationskolonne |
US5634354A (en) * | 1996-05-08 | 1997-06-03 | Air Products And Chemicals, Inc. | Olefin recovery from olefin-hydrogen mixtures |
US5768913A (en) * | 1997-04-16 | 1998-06-23 | Stone & Webster Engineering Corp. | Process based mixed refrigerants for ethylene plants |
US5802871A (en) * | 1997-10-16 | 1998-09-08 | Air Products And Chemicals, Inc. | Dephlegmator process for nitrogen removal from natural gas |
US5983665A (en) * | 1998-03-03 | 1999-11-16 | Air Products And Chemicals, Inc. | Production of refrigerated liquid methane |
US6343487B1 (en) | 2001-02-22 | 2002-02-05 | Stone & Webster, Inc. | Advanced heat integrated rectifier system |
US6487876B2 (en) | 2001-03-08 | 2002-12-03 | Air Products And Chemicals, Inc. | Method for providing refrigeration to parallel heat exchangers |
AU2002357302B2 (en) * | 2001-12-18 | 2006-06-01 | Fluor Technologies Corporation | Combined recovery of hydrogen and hydrocarbon liquids from hydrogen-containing gases |
US6931889B1 (en) | 2002-04-19 | 2005-08-23 | Abb Lummus Global, Randall Gas Technologies | Cryogenic process for increased recovery of hydrogen |
US20050154245A1 (en) * | 2003-12-18 | 2005-07-14 | Rian Reyneke | Hydrogen recovery in a distributed distillation system |
US7152428B2 (en) * | 2004-07-30 | 2006-12-26 | Bp Corporation North America Inc. | Refrigeration system |
PE20060989A1 (es) * | 2004-12-08 | 2006-11-06 | Shell Int Research | Metodo y dispositivo para producir una corriente de gas natural liquido |
US20090193846A1 (en) * | 2005-07-28 | 2009-08-06 | Foral Michael J | Recovery of Carbon Monoxide and Hydrogen From Hydrocarbon Streams |
US20090282865A1 (en) | 2008-05-16 | 2009-11-19 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
US20100287982A1 (en) | 2009-05-15 | 2010-11-18 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
US8309776B2 (en) * | 2009-12-15 | 2012-11-13 | Stone & Webster Process Technology, Inc. | Method for contaminants removal in the olefin production process |
US9021832B2 (en) * | 2010-01-14 | 2015-05-05 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
CA2803468C (en) | 2010-06-30 | 2018-07-24 | Shell Internationale Research Maatschappij B.V. | Method of treating a hydrocarbon stream comprising methane, and an apparatus therefor |
CN103159582B (zh) * | 2013-03-21 | 2015-06-17 | 杭州杭氧股份有限公司 | 一种用于丙烷或混合烷烃催化脱氢制丙烯中的低温分离系统及方法 |
ES2653705T3 (es) * | 2014-01-07 | 2018-02-08 | Linde Ag | Procedimiento para la separación de una mezcla de hidrocarburos que contiene hidrógeno, instalación de separación y planta de olefinas |
US10551119B2 (en) | 2016-08-26 | 2020-02-04 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
US10533794B2 (en) | 2016-08-26 | 2020-01-14 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
US10551118B2 (en) | 2016-08-26 | 2020-02-04 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
US11428465B2 (en) | 2017-06-01 | 2022-08-30 | Uop Llc | Hydrocarbon gas processing |
US11543180B2 (en) | 2017-06-01 | 2023-01-03 | Uop Llc | Hydrocarbon gas processing |
WO2020185649A1 (en) * | 2019-03-11 | 2020-09-17 | Uop Llc | Hydrocarbon gas processing |
CN115999328A (zh) * | 2021-10-22 | 2023-04-25 | 中国石油化工股份有限公司 | 膜分离结合精馏制备乙烯的方法和系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2582068A (en) * | 1948-12-30 | 1952-01-08 | Elliott Co | Method and apparatus for separating gases |
US2880592A (en) * | 1955-11-10 | 1959-04-07 | Phillips Petroleum Co | Demethanization of cracked gases |
DE1252711B (de) * | 1963-02-26 | 1967-10-26 | Hitachi Ltd , Tokio | Verfahren zum Rektifizieren von Olefin aus olefinreichen Gasgemischen unter Ausnutzung der durch verflüssigtes Methan gas gelieferten Kalte |
US3186182A (en) * | 1963-05-27 | 1965-06-01 | Phillips Petroleum Co | Low-temperature, low-pressure separation of gases |
US3242682A (en) * | 1963-09-23 | 1966-03-29 | Eastman Kodak Co | Method for separation of hydrocarbons |
US3320754A (en) * | 1964-09-25 | 1967-05-23 | Lummus Co | Demethanization in ethylene recovery with condensed methane used as reflux and heat exchange medium |
US3398546A (en) * | 1965-03-19 | 1968-08-27 | Conch Int Methane Ltd | Tail gas separation in plural stages employing liquid natural gas refrigerant |
US3359743A (en) * | 1966-04-29 | 1967-12-26 | Nat Distillers Chem Corp | Low temperature process for the recovery of ethane from a stripped natural gas stream |
DE1551609A1 (de) * | 1967-12-15 | 1972-03-02 | Messer Griesheim Gmbh | Verfahren zur Zerlegung von fluessigem Erdgas |
US3625016A (en) * | 1968-06-07 | 1971-12-07 | Mc Donnell Douglas Corp | Separation of hydrogen and hydrocarbon mixtures by plural stage distillation with heat exchange |
BE758567A (fr) * | 1969-11-07 | 1971-05-06 | Fluor Corp | Procede de recuperation d'ethylene a basse pression |
-
1974
- 1974-11-27 US US05/527,516 patent/US4002042A/en not_active Expired - Lifetime
-
1975
- 1975-10-17 GB GB42731/75A patent/GB1509789A/en not_active Expired
- 1975-11-12 CA CA239,439A patent/CA1026228A/en not_active Expired
- 1975-11-20 BR BR7507703A patent/BR7507703A/pt unknown
- 1975-11-20 DE DE2552140A patent/DE2552140C2/de not_active Expired
- 1975-11-21 JP JP50139368A patent/JPS5174981A/ja active Pending
- 1975-11-25 IT IT29638/75A patent/IT1049866B/it active
- 1975-11-25 FR FR7536023A patent/FR2292761A1/fr active Granted
- 1975-11-26 NL NLAANVRAGE7513805,A patent/NL185453C/xx not_active IP Right Cessation
- 1975-11-26 ES ES443020A patent/ES443020A1/es not_active Expired
- 1975-11-26 BE BE162210A patent/BE835982A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7513805A (nl) | 1976-05-31 |
GB1509789A (en) | 1978-05-04 |
BE835982A (fr) | 1976-03-16 |
NL185453C (nl) | 1990-04-17 |
DE2552140C2 (de) | 1985-04-11 |
JPS5174981A (es) | 1976-06-29 |
FR2292761B1 (es) | 1982-10-22 |
NL185453B (nl) | 1989-11-16 |
BR7507703A (pt) | 1976-08-31 |
FR2292761A1 (fr) | 1976-06-25 |
IT1049866B (it) | 1981-02-10 |
US4002042A (en) | 1977-01-11 |
DE2552140A1 (de) | 1976-08-12 |
CA1026228A (en) | 1978-02-14 |
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