DK0655084T3 - Forbedret apparat og fremgangsmåde til nedbrydning af smeltet metal - Google Patents

Forbedret apparat og fremgangsmåde til nedbrydning af smeltet metal

Info

Publication number
DK0655084T3
DK0655084T3 DK93908347T DK93908347T DK0655084T3 DK 0655084 T3 DK0655084 T3 DK 0655084T3 DK 93908347 T DK93908347 T DK 93908347T DK 93908347 T DK93908347 T DK 93908347T DK 0655084 T3 DK0655084 T3 DK 0655084T3
Authority
DK
Denmark
Prior art keywords
zone
vessel
molten metal
hydrogen
breaking down
Prior art date
Application number
DK93908347T
Other languages
Danish (da)
English (en)
Inventor
Donald P Malone
Charles B Miller
Original Assignee
Ashland Inc
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 Ashland Inc filed Critical Ashland Inc
Application granted granted Critical
Publication of DK0655084T3 publication Critical patent/DK0655084T3/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/348Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents by direct contact with heat accumulating liquids, e.g. molten metals, molten salts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/10Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with metals
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/57Gasification using molten salts or metals
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • C10J3/721Multistage gasification, e.g. plural parallel or serial gasification stages
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • C10J3/723Controlling or regulating the gasification process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18Details relating to the spatial orientation of the reactor
    • B01J2219/182Details relating to the spatial orientation of the reactor horizontal
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02Processes for making hydrogen or synthesis gas
    • C01B2203/0205Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02Processes for making hydrogen or synthesis gas
    • C01B2203/025Processes for making hydrogen or synthesis gas containing a partial oxidation step
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465Composition of the impurity
    • C01B2203/0485Composition of the impurity the impurity being a sulfur compound
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205Composition of the feed
    • C01B2203/1211Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235Hydrocarbons
    • C01B2203/1241Natural gas or methane
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205Composition of the feed
    • C01B2203/1211Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235Hydrocarbons
    • C01B2203/1247Higher hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/16Controlling the process
    • C01B2203/1628Controlling the pressure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2200/00Details of gasification apparatus
    • C10J2200/15Details of feeding means
    • C10J2200/158Screws
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/09Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953Gasifying agents
    • C10J2300/0956Air or oxygen enriched air
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/09Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0983Additives
    • C10J2300/0996Calcium-containing inorganic materials, e.g. lime
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/18Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861Heat exchange between at least two process streams
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/18Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861Heat exchange between at least two process streams
    • C10J2300/1884Heat exchange between at least two process streams with one stream being synthesis gas
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Processing Of Solid Wastes (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
DK93908347T 1990-06-21 1993-03-10 Forbedret apparat og fremgangsmåde til nedbrydning af smeltet metal DK0655084T3 (da)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US54223490A 1990-06-21 1990-06-21
US76309791A 1991-09-20 1991-09-20
US93025092A 1992-08-13 1992-08-13
US93953392A 1992-09-01 1992-09-01
PCT/US1993/002350 WO1994004633A1 (en) 1990-06-21 1993-03-10 Improved molten metal decomposition apparatus and process
US5175393A 1993-04-22 1993-04-22
CN94112938A CN1124295A (zh) 1990-06-21 1994-12-09 改进了的熔融金属分解设备及方法

Publications (1)

Publication Number Publication Date
DK0655084T3 true DK0655084T3 (da) 1999-12-20

Family

ID=37101893

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93908347T DK0655084T3 (da) 1990-06-21 1993-03-10 Forbedret apparat og fremgangsmåde til nedbrydning af smeltet metal

Country Status (10)

Country Link
US (1) US5577346A (de)
EP (1) EP0655084B1 (de)
JP (1) JP2660102B2 (de)
CN (1) CN1124295A (de)
AT (1) ATE184633T1 (de)
AU (1) AU3919893A (de)
CA (1) CA2140876A1 (de)
DE (1) DE69326472T2 (de)
DK (1) DK0655084T3 (de)
WO (1) WO1994004633A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993025278A1 (en) * 1992-06-08 1993-12-23 Molten Metal Technology, Inc. Method and appartus for treating organic waste
ES2097521T3 (es) * 1992-06-08 1997-04-01 Molten Metal Tech Inc Metodo para tratar residuo organico.
US5537940A (en) * 1993-06-08 1996-07-23 Molten Metal Technology, Inc. Method for treating organic waste
CA2176966C (en) * 1993-12-07 2005-08-23 Donald P. Malone Improved molten metal decomposition apparatus and process
SE505602C2 (sv) * 1995-11-14 1997-09-22 Interproject Service Ab Förfarande för att destruera gummibaserat material och plastmaterial
US6110239A (en) * 1996-05-31 2000-08-29 Marathon Ashland Petroleum Llc Molten metal hydrocarbon gasification process
WO1998004654A1 (en) * 1996-07-25 1998-02-05 Ashland Inc. Multi-zone molten-metal hydrogen generator
WO1998022385A1 (en) * 1996-11-22 1998-05-28 Ashland Inc. Molten metal reactor and process
EP0946680A4 (de) * 1996-11-25 2003-01-22 Ashland Inc Verfahren zur erzeugung eines wasserstoffreichen und kohlenmonoxidreichen gases durch verwendung von flüssigen metallen in zwei zonen
US6790430B1 (en) 1999-12-09 2004-09-14 The Regents Of The University Of California Hydrogen production from carbonaceous material
US6685754B2 (en) 2001-03-06 2004-02-03 Alchemix Corporation Method for the production of hydrogen-containing gaseous mixtures
GB0221402D0 (en) * 2002-09-14 2002-10-23 Warner Noel A Liquid metal transport gasifier
EP1945565A4 (de) * 2005-10-10 2011-04-13 Fairstock Technologies Corp Verfahren zur umwandlung von organischen verbindungen unter verwendung einer verflüssigten metalllegierung und zugehörige vorrichtung
US20080206129A1 (en) * 2007-01-16 2008-08-28 Fairstock Technologies Corporation Methods for transforming compounds using a metal alloy and related apparatus
BRPI0817439A2 (pt) * 2007-09-25 2019-09-24 New York Energy Group Inc gaseificador
BRPI0722352B1 (pt) * 2007-12-28 2019-03-26 Posco Métodos para predizer queda acentuada de pressão e pra controlar uma pressão em um fundidor-gaseificador em um processo de fabricação de ferro
US8303916B2 (en) * 2008-02-01 2012-11-06 Oscura, Inc. Gaseous transfer in multiple metal bath reactors
WO2010130404A1 (de) * 2009-05-14 2010-11-18 SCHLÜTER, Hartwig Verfahren und anlage zur durchführung chemischer prozesse
WO2012174284A1 (en) * 2011-06-17 2012-12-20 Ze-Gen, Inc. Reactors containing liquid metal
DE102013112205A1 (de) * 2012-11-06 2014-05-08 Technische Universität Dortmund Verfahren und Vorrichtung zur Pyrolyse wasserstoffhaltiger Verbindungen
CN105524635B (zh) 2016-01-19 2018-04-10 青岛理工大学 一种利用钢渣余热资源化塑料及无害化铬渣的同步技术
AU2018210678A1 (en) * 2017-01-19 2019-08-22 The University Of Adelaide Concentrated solar receiver and reactor systems comprising heat transfer fluid
ES2836732T3 (es) * 2018-02-06 2021-06-28 Univ Madrid Politecnica Proceso y dispositivo para la descomposición térmica directa de hidrocarburos con metal líquido en ausencia de oxígeno para la producción de hidrógeno y carbono
CA3099562A1 (en) * 2018-05-21 2019-11-28 The Regents Of The University Of California Natural gas conversion to chemicals and power with molten salts
US11453584B2 (en) 2018-06-29 2022-09-27 Palo Alto Research Center Incorporated High throughput methane pyrolysis reactor for low-cost hydrogen production
CN114262621B (zh) * 2021-12-06 2022-12-13 北京航天石化技术装备工程有限公司 一种废塑料液化热解系统及方法
EP4303177A1 (de) 2022-07-08 2024-01-10 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Katalysierte pyrolyse von geschmolzenem metall

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB666119A (en) * 1948-12-06 1952-02-06 Roman Rummel Method of and apparatus for gasifying solid fuels
BE789722A (fr) * 1971-10-05 1973-04-05 Exxon Research Engineering Co Procede de craquage d'une charge hydrocarbonee
FR2186524A1 (en) * 1972-05-30 1974-01-11 Siderurgie Fse Inst Rech Continuous reducing gas prodn - by injecting hydrocarbon and oxygen into different parts of an agitated molten metal bath
AU7299674A (en) * 1973-09-12 1976-03-11 Uss Eng & Consult Gasification of coal
JPS5244564B2 (de) * 1974-05-15 1977-11-09
DE2620462A1 (de) * 1976-05-08 1977-11-24 Kloeckner Humboldt Deutz Ag Verfahren zum vergasen von festen, fluessigen oder gasfoermigen kohlenstofftraegern, insbesondere zur herstellung eines reduktionsgases fuer metallurgische prozesse und vorrichtung zur durchfuehrung des verfahrens
US4187672A (en) * 1977-11-17 1980-02-12 Rasor Associates, Inc. Apparatus for converting carbonaceous material into fuel gases and the recovery of energy therefrom
US4338096A (en) * 1980-10-06 1982-07-06 Cosden Technology, Inc. Method and apparatus for controlling the flow of molten reaction media
US4422872A (en) * 1980-10-14 1983-12-27 Geskin Ernest S Method of heating, melting, and coal coversion and apparatus for the same
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
US4574714A (en) * 1984-11-08 1986-03-11 United States Steel Corporation Destruction of toxic chemicals
DE3614048A1 (de) * 1986-04-25 1987-11-05 Kloeckner Humboldt Deutz Ag Verfahren und vorrichtung zur vergasung minderwertiger brennstoffe in einem feuerfluessigen metallschmelzbad

Also Published As

Publication number Publication date
AU3919893A (en) 1994-03-15
CN1124295A (zh) 1996-06-12
US5577346A (en) 1996-11-26
DE69326472T2 (de) 2000-05-18
EP0655084A1 (de) 1995-05-31
EP0655084B1 (de) 1999-09-15
JPH07506145A (ja) 1995-07-06
WO1994004633A1 (en) 1994-03-03
CA2140876A1 (en) 1994-03-03
DE69326472D1 (de) 1999-10-21
ATE184633T1 (de) 1999-10-15
JP2660102B2 (ja) 1997-10-08

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