WO1997039490A3 - Thermally enhanced compact reformer - Google Patents

Thermally enhanced compact reformer Download PDF

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Publication number
WO1997039490A3
WO1997039490A3 PCT/US1997/004839 US9704839W WO9739490A3 WO 1997039490 A3 WO1997039490 A3 WO 1997039490A3 US 9704839 W US9704839 W US 9704839W WO 9739490 A3 WO9739490 A3 WO 9739490A3
Authority
WO
WIPO (PCT)
Prior art keywords
reformer
plate
steam
catalyst
thermally conducting
Prior art date
Application number
PCT/US1997/004839
Other languages
French (fr)
Other versions
WO1997039490A2 (en
Inventor
Michael S Hsu
Ethan D Hoag
Original Assignee
Ztek 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
Priority to AT97916987T priority Critical patent/ATE211312T1/en
Application filed by Ztek Corp filed Critical Ztek Corp
Priority to CA002251627A priority patent/CA2251627C/en
Priority to JP9537103A priority patent/JP2000508616A/en
Priority to DK97916987T priority patent/DK0904608T3/en
Priority to PL97329316A priority patent/PL329316A1/en
Priority to AU25455/97A priority patent/AU2545597A/en
Priority to IL12646997A priority patent/IL126469A0/en
Priority to EP97916987A priority patent/EP0904608B1/en
Priority to DE69709348T priority patent/DE69709348T2/en
Publication of WO1997039490A2 publication Critical patent/WO1997039490A2/en
Publication of WO1997039490A3 publication Critical patent/WO1997039490A3/en
Priority to NO19984721A priority patent/NO322074B1/en
Priority to IL14131301A priority patent/IL141313A0/en

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    • C01B2203/0838—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel
    • C01B2203/0844—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel the non-combustive exothermic reaction being another reforming reaction as defined in groups C01B2203/02 - C01B2203/0294
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    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
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    • C01B2203/82—Several process steps of C01B2203/02 - C01B2203/08 integrated into a single apparatus
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    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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    • H—ELECTRICITY
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    • H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
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    • 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
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    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Abstract

A natural gas reformer (10) comprising a stack of thermally conducting plates (12) interspersed with catalyst plates (14) and provided with internal or external manifolds for reactants. The catalyst plate is in intimate thermal contact with the conducting plates so that its temperature closely tracks the temperature of the thermally conducting plate, which can be designed to attain a near isothermal state in-plane to the plate. One or more catalysts may be used, distributed along the flow direction, in-plane to the thermally conducting plate, in a variety of optional embodiments. The reformer may be operated as a steam reformer or as a partial oxidation reformer. When operated as a steam reformer, thermal energy for the (endothermic) steam reforming reaction is provided externally by radiation and/or conduction to the thermally conducting plates. This produces carbon monoxide, hydrogen, steam and carbon dioxide. When operated as a partial oxidation reformer, a fraction of the natural gas is oxidized assisted by the presence of a combustion catalyst and reforming catalyst. This produces carbon monoxide, hydrogen, steam and carbon dioxide. Because of the intimate thermal contact between the catalyst plate and the conducting plates, no excessive temperature can develop within the stack assembly. Details of the plate design may be varied to accommodate a variety of manifolding embodiments providing one or more inlets and exit ports for introducing, pre-heating and exhaust the reactants.
PCT/US1997/004839 1996-04-12 1997-03-25 Thermally enhanced compact reformer WO1997039490A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AU25455/97A AU2545597A (en) 1996-04-12 1997-03-25 Thermally enhanced compact reformer
CA002251627A CA2251627C (en) 1996-04-12 1997-03-25 Thermally enhanced compact reformer
JP9537103A JP2000508616A (en) 1996-04-12 1997-03-25 Thermally improved compact reformer
DK97916987T DK0904608T3 (en) 1996-04-12 1997-03-25 Thermally improved compact reformer
PL97329316A PL329316A1 (en) 1996-04-12 1997-03-25 Thermally improved reforming process reactor of compact construction
AT97916987T ATE211312T1 (en) 1996-04-12 1997-03-25 THERMALLY IMPROVED COMPACT REFORMING PLANT
IL12646997A IL126469A0 (en) 1996-04-12 1997-03-25 Thermally enhanced compact reformer
EP97916987A EP0904608B1 (en) 1996-04-12 1997-03-25 Thermally enhanced compact reformer
DE69709348T DE69709348T2 (en) 1996-04-12 1997-03-25 THERMALLY IMPROVED COMPACT REFORMING SYSTEM
NO19984721A NO322074B1 (en) 1996-04-12 1998-10-09 Reforming device and method for reforming a reactant for reaction compounds
IL14131301A IL141313A0 (en) 1996-04-12 2001-01-07 Thermally enhanced compact reformer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/631,432 1996-04-12
US08/631,432 US5858314A (en) 1996-04-12 1996-04-12 Thermally enhanced compact reformer

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WO1997039490A2 WO1997039490A2 (en) 1997-10-23
WO1997039490A3 true WO1997039490A3 (en) 1998-01-08

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US (3) US5858314A (en)
EP (1) EP0904608B1 (en)
JP (1) JP2000508616A (en)
CN (1) CN100367556C (en)
AT (1) ATE211312T1 (en)
AU (1) AU2545597A (en)
CA (1) CA2251627C (en)
CZ (1) CZ324098A3 (en)
DE (1) DE69709348T2 (en)
DK (1) DK0904608T3 (en)
IL (1) IL126469A0 (en)
NO (1) NO322074B1 (en)
PL (1) PL329316A1 (en)
RU (1) RU2175799C2 (en)
TW (1) TW328655B (en)
WO (1) WO1997039490A2 (en)

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