IT1064101B - Perfezionamento nei procedimenti di produzione di gas di sintesi - Google Patents

Perfezionamento nei procedimenti di produzione di gas di sintesi

Info

Publication number
IT1064101B
IT1064101B IT49986/76A IT4998676A IT1064101B IT 1064101 B IT1064101 B IT 1064101B IT 49986/76 A IT49986/76 A IT 49986/76A IT 4998676 A IT4998676 A IT 4998676A IT 1064101 B IT1064101 B IT 1064101B
Authority
IT
Italy
Prior art keywords
improvement
synthesis gas
gas production
production procedures
procedures
Prior art date
Application number
IT49986/76A
Other languages
English (en)
Original Assignee
Rockwell International Corp
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 Rockwell International Corp filed Critical Rockwell International Corp
Application granted granted Critical
Publication of IT1064101B publication Critical patent/IT1064101B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G19/00—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/57—Gasification using molten salts or metals
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/78—High-pressure apparatus
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0283—Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0415—Purification by absorption in liquids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0475—Composition of the impurity the impurity being carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/80—Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
    • C01B2203/84—Energy production
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/093—Coal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0943—Coke
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0956—Air or oxygen enriched air
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0959—Oxygen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0969—Carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0973—Water
    • C10J2300/0976—Water as steam
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0983—Additives
    • C10J2300/0986—Catalysts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/164—Integration of gasification processes with another plant or parts within the plant with conversion of synthesis gas
    • C10J2300/1656—Conversion of synthesis gas to chemicals
    • C10J2300/1662—Conversion of synthesis gas to chemicals to methane
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1671—Integration of gasification processes with another plant or parts within the plant with the production of electricity
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
    • C10J2300/1815—Recycle loops, e.g. gas, solids, heating medium, water for carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1846—Partial oxidation, i.e. injection of air or oxygen only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Industrial Gases (AREA)
  • Hydrogen, Water And Hydrids (AREA)
IT49986/76A 1975-06-19 1976-06-16 Perfezionamento nei procedimenti di produzione di gas di sintesi IT1064101B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/588,563 US4017271A (en) 1975-06-19 1975-06-19 Process for production of synthesis gas

Publications (1)

Publication Number Publication Date
IT1064101B true IT1064101B (it) 1985-02-18

Family

ID=24354355

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49986/76A IT1064101B (it) 1975-06-19 1976-06-16 Perfezionamento nei procedimenti di produzione di gas di sintesi

Country Status (12)

Country Link
US (1) US4017271A (it)
JP (1) JPS6041116B2 (it)
AU (1) AU498375B2 (it)
BE (1) BE842934A (it)
CA (1) CA1079972A (it)
CH (1) CH625192A5 (it)
DE (1) DE2626520A1 (it)
FR (1) FR2316319A2 (it)
GB (1) GB1556448A (it)
IT (1) IT1064101B (it)
NL (1) NL7606391A (it)
SE (1) SE422077B (it)

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US4455153A (en) * 1978-05-05 1984-06-19 Jakahi Douglas Y Apparatus for storing solar energy in synthetic fuels
US4206251A (en) * 1978-06-01 1980-06-03 Hughes Aircraft Company Method for diffusing metals into substrates
US4246255A (en) * 1979-04-02 1981-01-20 Rockwell International Corporation Disposal of PCB
US4338096A (en) * 1980-10-06 1982-07-06 Cosden Technology, Inc. Method and apparatus for controlling the flow of molten reaction media
US4395975A (en) * 1982-01-22 1983-08-02 Ashworth Robert A Method for desulfurization and oxidation of carbonaceous fuels
US4423702A (en) * 1982-01-22 1984-01-03 Ashworth Robert A Method for desulfurization, denitrifaction, and oxidation of carbonaceous fuels
US4476683A (en) * 1982-12-20 1984-10-16 General Electric Company Energy efficient multi-stage water gas shift reaction
DE3334687A1 (de) * 1983-09-24 1985-04-18 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren und vorrichtung zur herstellung eines aus wasserstoff und kohlenmonoxid bestehenden synthesegases
JPS61183827U (it) * 1985-05-09 1986-11-17
JPH0420614A (ja) * 1990-05-12 1992-01-24 Nisshoku Corp 植生袋
US5177304A (en) * 1990-07-24 1993-01-05 Molten Metal Technology, Inc. Method and system for forming carbon dioxide from carbon-containing materials in a molten bath of immiscible metals
BR9406327A (pt) * 1993-04-06 1995-12-26 Ausmelt Ltd Fusão de material contendo-carbono
AU6530694A (en) * 1993-04-08 1994-11-08 Shell Oil Company Method of reducing halides in synthesis gas
AU1211195A (en) * 1993-12-07 1995-06-27 Ashland Oil, Inc. Improved molten metal decomposition apparatus and process
US5615626A (en) * 1994-10-05 1997-04-01 Ausmelt Limited Processing of municipal and other wastes
DE19722059A1 (de) * 1997-05-27 1998-12-03 Boehlke Eckard Verfahren und Vorrichtung zur Gewinnung Wasserstoff und Kohlenmonoxid enthaltender Gase
NL1008832C2 (nl) * 1998-04-07 1999-10-08 Univ Delft Tech Werkwijze voor het omzetten van een koolstofomvattend materiaal, een werkwijze voor het bedrijven van een brandstofcel en een werkwijze voor het bedrijven van een brandstofcelstapel.
EP1205532A4 (en) 2000-02-29 2008-09-10 Mitsubishi Heavy Ind Ltd BIOMASS GASIFICATION OVEN AND METHANOL SYNTHESIS PLANT USING GAS GENERATED FROM BIOMASS GASIFICATION
US20020020363A1 (en) * 2000-07-25 2002-02-21 Scotlund Stivers Pressure relief system
BR0112251B1 (pt) * 2000-07-25 2013-04-09 mÉtodos contÍnuos para produÇço de etanol a partir da fermentaÇço bacteriana anaeràbica de um substrato gasoso.
US20020020112A1 (en) * 2000-07-25 2002-02-21 Scotlund Stivers Process and apparatus for manufacturing fuel gas and liquid fuels from trash, other waste materials and solid fuels
CN100427383C (zh) * 2004-10-12 2008-10-22 昆明理工大学 熔融盐中用晶格氧催化氧化天然气制氢的方法
US20130213280A9 (en) * 2005-04-18 2013-08-22 Klaus S. Lackner Methods and systems for reducing carbon dioxide emissions
US20070225382A1 (en) * 2005-10-14 2007-09-27 Van Den Berg Robert E Method for producing synthesis gas or a hydrocarbon product
US20080141591A1 (en) 2006-12-19 2008-06-19 Simulent Inc. Gasification of sulfur-containing carbonaceous fuels
DE102007002056B4 (de) * 2007-01-13 2008-09-11 Forschungszentrum Karlsruhe Gmbh Verfahren und Vorrichtung zur Umsetzung von Biomasse in gasförmige Produkte
FI122786B (fi) * 2007-07-20 2012-06-29 Upm Kymmene Oyj Synteettisten hiilivetyketjujen valmistuksessa syntyvän hiilidioksidin käyttö
US20090074656A1 (en) * 2007-09-18 2009-03-19 Calvin Billings Process for production of hydrogen from coal and other fossil fuels
US20090173081A1 (en) * 2008-01-07 2009-07-09 Paul Steven Wallace Method and apparatus to facilitate substitute natural gas production
US20090173080A1 (en) * 2008-01-07 2009-07-09 Paul Steven Wallace Method and apparatus to facilitate substitute natural gas production
US8528343B2 (en) * 2008-01-07 2013-09-10 General Electric Company Method and apparatus to facilitate substitute natural gas production
BRPI0913850B1 (pt) * 2008-06-20 2020-01-21 Ineos Bio Sa método de produção de álcool
US8592190B2 (en) * 2009-06-11 2013-11-26 Ineos Bio Limited Methods for sequestering carbon dioxide into alcohols via gasification fermentation
US8580001B2 (en) * 2008-08-21 2013-11-12 General Electric Company Method and apparatus for assembling gasification reactor injection devices
US20100129691A1 (en) * 2008-11-26 2010-05-27 Good Earth Power Corporation Enhanced product gas and power evolution from carbonaceous materials via gasification
CN102333850A (zh) * 2008-12-30 2012-01-25 国际壳牌研究有限公司 供给合成气的方法和系统
US8309049B2 (en) * 2009-10-19 2012-11-13 Battelle Energy Alliance, Llc Molten metal reactor and method of forming hydrogen, carbon monoxide and carbon dioxide using the molten alkaline metal reactor
US8999021B2 (en) * 2010-04-13 2015-04-07 Ineos Usa Llc Methods for gasification of carbonaceous materials
US8585789B2 (en) * 2010-04-13 2013-11-19 Ineos Usa Llc Methods for gasification of carbonaceous materials
US8580152B2 (en) 2010-04-13 2013-11-12 Ineos Usa Llc Methods for gasification of carbonaceous materials
KR20120064030A (ko) * 2010-12-08 2012-06-18 에스케이이노베이션 주식회사 이산화탄소의 배출이 저감된 가스화 방법
US20120255301A1 (en) 2011-04-06 2012-10-11 Bell Peter S System for generating power from a syngas fermentation process
US8685281B2 (en) * 2011-07-21 2014-04-01 Battelle Energy Alliance Llc System and process for the production of syngas and fuel gasses
US9216401B2 (en) * 2011-07-21 2015-12-22 Battelle Energy Alliance Llc Bell column downtube, reactors utilizing same and related methods
US20140026485A1 (en) * 2012-07-25 2014-01-30 Co2Fuel, Llc Single Layer Gas Processing
US20150104862A1 (en) * 2013-10-10 2015-04-16 Ineos Usa Llc Methods for gasification of carbonaceous materials
US9714391B2 (en) * 2014-08-14 2017-07-25 Johnny D. Combs Waste to fuel system
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US10364398B2 (en) * 2016-08-30 2019-07-30 Thermochem Recovery International, Inc. Method of producing product gas from multiple carbonaceous feedstock streams mixed with a reduced-pressure mixing gas
GB2585643A (en) * 2019-07-08 2021-01-20 Lfeog Ltd Methods and systems for gasification of hydrocarbonaceous feedstocks
CN112831351B (zh) * 2020-12-30 2021-12-28 西安交通大学 一种原位资源化利用电厂高温二氧化碳的方法

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US3692506A (en) * 1970-02-13 1972-09-19 Total Energy Corp High btu gas content from coal
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US3758673A (en) * 1971-03-18 1973-09-11 Exxon Research Engineering Co Process for the production of a carbon monoxide containing gas
US3890113A (en) * 1973-06-25 1975-06-17 Texaco Inc Production of methane
US3916617A (en) * 1974-03-29 1975-11-04 Rockwell International Corp Process for production of low BTU gas

Also Published As

Publication number Publication date
SE422077B (sv) 1982-02-15
NL7606391A (nl) 1976-12-21
GB1556448A (en) 1979-11-21
FR2316319B2 (it) 1981-12-04
DE2626520A1 (de) 1976-12-23
SE7606864L (sv) 1976-12-20
CH625192A5 (it) 1981-09-15
JPS6041116B2 (ja) 1985-09-13
BE842934A (fr) 1976-12-14
AU498375B2 (en) 1979-03-08
FR2316319A2 (fr) 1977-01-28
JPS522892A (en) 1977-01-10
CA1079972A (en) 1980-06-24
AU1409176A (en) 1977-11-24
US4017271A (en) 1977-04-12

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