EP2665678A4 - Process and apparatus for production of ammonia synthesis gas and pure methane by cryogenic separation - Google Patents

Process and apparatus for production of ammonia synthesis gas and pure methane by cryogenic separation Download PDF

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Publication number
EP2665678A4
EP2665678A4 EP11856493.9A EP11856493A EP2665678A4 EP 2665678 A4 EP2665678 A4 EP 2665678A4 EP 11856493 A EP11856493 A EP 11856493A EP 2665678 A4 EP2665678 A4 EP 2665678A4
Authority
EP
European Patent Office
Prior art keywords
production
synthesis gas
ammonia synthesis
cryogenic separation
pure methane
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.)
Withdrawn
Application number
EP11856493.9A
Other languages
German (de)
French (fr)
Other versions
EP2665678A1 (en
Inventor
Jean-Marc Tsevery
Antoine Hernandez
Yuan-jun HU
Yanfang Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP2665678A1 publication Critical patent/EP2665678A1/en
Publication of EP2665678A4 publication Critical patent/EP2665678A4/en
Withdrawn legal-status Critical Current

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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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/09—Purification; Separation; Use of additives by fractional condensation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification
    • C01B3/506—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification at low temperatures
    • 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
    • F25J3/0223—H2/CO mixtures, i.e. synthesis gas; Water gas or shifted synthesis 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
    • 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
    • F25J3/0276—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 H2/N2 mixtures, i.e. of ammonia synthesis 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
    • F25J2200/70—Refluxing the column with a condensed part of the feed stream, i.e. fractionator top is stripped or self-rectified
    • 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
    • F25J2200/72—Refluxing the column with at least a part of the totally 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
    • 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
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
    • 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
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/06—Splitting of the feed stream, e.g. for treating or cooling in different ways
    • 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
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/02—Separating impurities in general from 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
    • F25J2260/00—Coupling of processes or apparatus to other units; Integrated schemes
    • F25J2260/02—Integration in an installation for exchanging heat, e.g. for waste heat recovery
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EP11856493.9A 2011-01-17 2011-01-17 Process and apparatus for production of ammonia synthesis gas and pure methane by cryogenic separation Withdrawn EP2665678A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/070315 WO2012097497A1 (en) 2011-01-17 2011-01-17 Process and apparatus for production of ammonia synthesis gas and pure methane by cryogenic separation

Publications (2)

Publication Number Publication Date
EP2665678A1 EP2665678A1 (en) 2013-11-27
EP2665678A4 true EP2665678A4 (en) 2018-04-04

Family

ID=46515077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11856493.9A Withdrawn EP2665678A4 (en) 2011-01-17 2011-01-17 Process and apparatus for production of ammonia synthesis gas and pure methane by cryogenic separation

Country Status (4)

Country Link
US (1) US20130298600A1 (en)
EP (1) EP2665678A4 (en)
CN (1) CN103328375B (en)
WO (1) WO2012097497A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2818447A1 (en) * 2013-06-26 2014-12-31 Ammonia Casale S.A. A process for purification of a synthesis gas containing hydrogen and impurities
FR3013106A1 (en) * 2013-11-13 2015-05-15 Air Liquide CRYOGENIC SEPARATION PROCESS FOR THE PRODUCTION OF A MIXTURE OF HYDROGEN AND NITROGEN CONTAINING LOW CO AND CH4 CONTENT
CN103879963B (en) * 2014-02-20 2015-09-09 康乃尔化学工业股份有限公司 The methanation device of synthetic ammonia optimization production
CN105066586B (en) * 2015-09-14 2018-06-22 成都深冷液化设备股份有限公司 Device for preparing raw material gas for synthetic ammonia and L NG by liquid nitrogen washing and preparation method thereof
DE102016013753A1 (en) * 2016-11-18 2018-05-24 Linde Aktiengesellschaft Process and apparatus for synthesis gas separation by acid gas scrubbing and cryogenic separation process
FR3084453B1 (en) * 2018-07-25 2020-11-27 Air Liquide METHOD AND APPARATUS FOR THE CRYOGENIC SEPARATION OF A MIXTURE OF CARBON MONOXIDE, HYDROGEN AND METHANE FOR THE PRODUCTION OF CH4
FR3089429B1 (en) * 2018-12-11 2021-06-18 Air Liquide Method and apparatus for purifying a gas rich in hydrogen
CN111879062B (en) * 2020-07-02 2024-07-26 杭氧集团股份有限公司 Liquid nitrogen washing device with precooling function for normal-temperature feeding purified ammonia synthesis gas
FR3161210B1 (en) 2024-04-11 2026-03-06 Air Liquide Process and apparatus for the production of ammonia synthesis gas

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372555A (en) * 1963-08-21 1968-03-12 Linde Ag Process and apparatus for impurity removal from hydrogen-containing gases
FR2368435A1 (en) * 1976-10-21 1978-05-19 Air Liquide Treatment of feed gas mixt. for ammonia synthesis - using liquid nitrogen to purify and separate components
DE3532248A1 (en) * 1984-09-11 1986-03-20 AECI Ltd., Johannesburg, Transvaal GAS TREATMENT PROCESS
CS265572B1 (en) * 1987-08-31 1989-10-13 Vins Ludek Method of gas mixture separation and device for carrying out the method
US5775128A (en) * 1997-05-02 1998-07-07 Praxair Technology, Inc. Process for producing ammonia and recovering argon using low purity oxygen
US20050076672A1 (en) * 2002-06-13 2005-04-14 William Davey Plant unit and method for decomposing and purifying synthesis gas

Family Cites Families (15)

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US2996458A (en) * 1957-04-02 1961-08-15 Texaco Inc Production of hydrogen-nitrogen mixtures
GB901580A (en) * 1960-07-04 1962-07-18 Texaco Development Corp Process for the recovery of argon in the production of ammonia synthesis gas
US3559417A (en) * 1967-10-12 1971-02-02 Mc Donnell Douglas Corp Separation of low boiling hydrocarbons and nitrogen by fractionation with product stream heat exchange
US3872025A (en) * 1969-10-31 1975-03-18 Bethlehem Steel Corp Production and utilization of synthesis gas
DE2814660A1 (en) * 1978-04-05 1979-10-11 Linde Ag Carbon mon:oxide and hydrogen recovery from gas mixt. - by partial liquefaction, rectification and scrubbing with liquid nitrogen
US4217759A (en) * 1979-03-28 1980-08-19 Union Carbide Corporation Cryogenic process for separating synthesis gas
IN153160B (en) * 1979-07-12 1984-06-09 Petrocarbon Dev Ltd
IN160585B (en) * 1983-02-14 1987-07-18 Exxon Research Engineering Co
DE3815866A1 (en) * 1988-05-09 1989-11-23 Linde Ag Process for purifying a crude gas for the ammonia synthesis by means of a nitrogen scrub
US5167125A (en) * 1991-04-08 1992-12-01 Air Products And Chemicals, Inc. Recovery of dissolved light gases from a liquid stream
FR2775276B1 (en) * 1998-02-20 2002-05-24 Air Liquide PROCESS AND PLANT FOR THE PRODUCTION OF CARBON MONOXIDE AND HYDROGEN
US7090816B2 (en) * 2003-07-17 2006-08-15 Kellogg Brown & Root Llc Low-delta P purifier for nitrogen, methane, and argon removal from syngas
US7871457B2 (en) * 2006-04-03 2011-01-18 Praxair Technology, Inc. Carbon dioxide production method
FR2926355A1 (en) * 2008-01-10 2009-07-17 Air Liquide COLUMN FOR SEPARATING A MIXTURE OF CARBON MONOXIDE AND NITROGEN BY CRYOGENIC DISTILLATION AND APPARATUS INCORPORATING SUCH A COLUMN.
FR2930332A1 (en) * 2008-04-18 2009-10-23 Air Liquide METHOD AND APPARATUS FOR CRYOGENIC SEPARATION OF A MIXTURE OF HYDROGEN AND CARBON MONOXIDE

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372555A (en) * 1963-08-21 1968-03-12 Linde Ag Process and apparatus for impurity removal from hydrogen-containing gases
FR2368435A1 (en) * 1976-10-21 1978-05-19 Air Liquide Treatment of feed gas mixt. for ammonia synthesis - using liquid nitrogen to purify and separate components
DE3532248A1 (en) * 1984-09-11 1986-03-20 AECI Ltd., Johannesburg, Transvaal GAS TREATMENT PROCESS
CS265572B1 (en) * 1987-08-31 1989-10-13 Vins Ludek Method of gas mixture separation and device for carrying out the method
US5775128A (en) * 1997-05-02 1998-07-07 Praxair Technology, Inc. Process for producing ammonia and recovering argon using low purity oxygen
US20050076672A1 (en) * 2002-06-13 2005-04-14 William Davey Plant unit and method for decomposing and purifying synthesis gas

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ARREGGER J E: "Production and purification of argon", CHEMICAL & PROCESS ENGINEERING, MORGAN-GRAMPIAN, US, vol. October, 1 October 1964 (1964-10-01), pages 549 - 554, XP009122893, ISSN: 0953-2269 *
CHEMICAL ABSTRACTS, 25 March 1991 (1991-03-25), XP000187106, ISSN: 0009-2258 *
See also references of WO2012097497A1 *

Also Published As

Publication number Publication date
US20130298600A1 (en) 2013-11-14
CN103328375A (en) 2013-09-25
CN103328375B (en) 2016-02-10
EP2665678A1 (en) 2013-11-27
WO2012097497A1 (en) 2012-07-26

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