CA2149793A1 - Catalytic hydrocarbon reformer with enhanced internal heat transfer mechanism - Google Patents
Catalytic hydrocarbon reformer with enhanced internal heat transfer mechanismInfo
- Publication number
- CA2149793A1 CA2149793A1 CA002149793A CA2149793A CA2149793A1 CA 2149793 A1 CA2149793 A1 CA 2149793A1 CA 002149793 A CA002149793 A CA 002149793A CA 2149793 A CA2149793 A CA 2149793A CA 2149793 A1 CA2149793 A1 CA 2149793A1
- Authority
- CA
- Canada
- Prior art keywords
- heat transfer
- gas stream
- catalytic hydrocarbon
- hydrocarbon reformer
- transfer mechanism
- 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.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0625—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material in a modular combined reactor/fuel cell structure
- H01M8/0631—Reactor construction specially adapted for combination reactor/fuel cell
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/062—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes being installed in a furnace
-
- 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
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production 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
- C01B3/34—Production 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
- C01B3/38—Production 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 using catalysts
- C01B3/384—Production 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 using catalysts the catalyst being continuously externally heated
-
- 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
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
- C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming 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
-
- 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
- C01B2203/06—Integration with other chemical processes
- C01B2203/066—Integration with other chemical processes with fuel cells
-
- 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
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
-
- 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
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
- C01B2203/0816—Heating by flames
-
- 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
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
- C01B2203/0827—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel at least part of the fuel being a recycle stream
-
- 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
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0866—Methods of heating the process for making hydrogen or synthesis gas by combination of different heating methods
-
- 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
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1005—Arrangement or shape of catalyst
- C01B2203/1011—Packed bed of catalytic structures, e.g. particles, packing elements
-
- 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
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1235—Hydrocarbons
-
- 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
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1235—Hydrocarbons
- C01B2203/1241—Natural gas or methane
-
- 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
- C01B2203/14—Details of the flowsheet
- C01B2203/148—Details of the flowsheet involving a recycle stream to the feed of the process for making hydrogen or synthesis gas
-
- 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
- Y02E60/50—Fuel cells
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
A catalytic hydrocarbon reformer operates at lower temperature and pressure relative to conventional reformers. Convective heat transfer between the hot combustion gas stream and the reactor tube is enhanced through use of a narrow gap heat transfer area, which induces turbulent flow of the combustion gas stream across the reactor tube. The reactor tube includes a catalyst fines collection tube to accumulate and retain catalyst particles or fines entrained in the reformate gas stream.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/250,371 US5484577A (en) | 1994-05-27 | 1994-05-27 | Catalytic hydrocarbon reformer with enhanced internal heat transfer mechanism |
US08/250,371 | 1994-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2149793A1 true CA2149793A1 (en) | 1995-11-28 |
CA2149793C CA2149793C (en) | 2001-04-10 |
Family
ID=22947454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002149793A Expired - Fee Related CA2149793C (en) | 1994-05-27 | 1995-05-19 | Catalytic hydrocarbon reformer with enhanced internal heat transfer mechanism |
Country Status (2)
Country | Link |
---|---|
US (1) | US5484577A (en) |
CA (1) | CA2149793C (en) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19526886C1 (en) * | 1995-07-22 | 1996-09-12 | Daimler Benz Ag | Methanol reformation giving high methanol conversion and low amts. of carbon mono:oxide |
US6126908A (en) * | 1996-08-26 | 2000-10-03 | Arthur D. Little, Inc. | Method and apparatus for converting hydrocarbon fuel into hydrogen gas and carbon dioxide |
US6409974B1 (en) | 1998-12-11 | 2002-06-25 | Uop Llc | Water gas shift process and apparatus for purifying hydrogen for use with fuel cells |
US5811065A (en) * | 1997-04-24 | 1998-09-22 | Ballard Generation Systems Inc. | Burner exhaust gas collection assembly for a catalytic reformer |
US6232005B1 (en) | 1997-11-20 | 2001-05-15 | General Motors Corporation | Fuel cell system combustor |
US6077620A (en) * | 1997-11-26 | 2000-06-20 | General Motors Corporation | Fuel cell system with combustor-heated reformer |
US6162267A (en) * | 1998-12-11 | 2000-12-19 | Uop Llc | Process for the generation of pure hydrogen for use with fuel cells |
US6436354B1 (en) | 1998-12-11 | 2002-08-20 | Uop Llc | Apparatus for generation of pure hydrogen for use with fuel cells |
US6641625B1 (en) | 1999-05-03 | 2003-11-04 | Nuvera Fuel Cells, Inc. | Integrated hydrocarbon reforming system and controls |
JP3473900B2 (en) * | 1999-05-24 | 2003-12-08 | 松下電器産業株式会社 | Hydrogen generator |
US6455180B1 (en) | 1999-07-02 | 2002-09-24 | General Motors Corporation | Flexible method for monitoring fuel cell voltage |
US6159626A (en) * | 1999-07-06 | 2000-12-12 | General Motors Corporation | Fuel cell system logic for differentiating between rapid and normal shutdown commands |
US6391484B1 (en) | 1999-07-06 | 2002-05-21 | General Motors Corporation | Fuel processor temperature monitoring and control |
EP1069636B1 (en) * | 1999-07-06 | 2016-03-23 | GM Global Technology Operations LLC | Fuel cell stack monitoring and system control |
US6306531B1 (en) | 1999-07-06 | 2001-10-23 | General Motors Corporation | Combustor air flow control method for fuel cell apparatus |
US6436561B1 (en) | 1999-07-21 | 2002-08-20 | General Motors Corporation | Methanol tailgas combustor control method |
EP1085261A1 (en) | 1999-09-13 | 2001-03-21 | Ballard Generation Systems Inc. | Improved nozzle-mix burner |
US6406806B1 (en) | 1999-11-09 | 2002-06-18 | General Motors Corporation | Fuel cell voltage monitoring and system control |
US6413661B1 (en) | 1999-12-15 | 2002-07-02 | General Motors Corporation | Method for operating a combustor in a fuel cell system |
US6451465B1 (en) | 2000-02-07 | 2002-09-17 | General Motors Corporation | Method for operating a combustor in a fuel cell system |
US6376112B1 (en) | 2000-02-11 | 2002-04-23 | General Motors Corporation | Controlled shutdown of a fuel cell |
US6395414B1 (en) * | 2000-02-11 | 2002-05-28 | General Motors Corporation | Staged venting of fuel cell system during rapid shutdown |
US6416893B1 (en) | 2000-02-11 | 2002-07-09 | General Motors Corporation | Method and apparatus for controlling combustor temperature during transient load changes |
US6413662B1 (en) | 2000-02-22 | 2002-07-02 | General Motors Corporation | Fuel cell system shutdown with anode pressure control |
US6602624B1 (en) | 2000-02-22 | 2003-08-05 | General Motors Corporation | Control apparatus and method for efficiently heating a fuel processor in a fuel cell system |
US6497856B1 (en) | 2000-08-21 | 2002-12-24 | H2Gen Innovations, Inc. | System for hydrogen generation through steam reforming of hydrocarbons and integrated chemical reactor for hydrogen production from hydrocarbons |
US6521204B1 (en) | 2000-07-27 | 2003-02-18 | General Motors Corporation | Method for operating a combination partial oxidation and steam reforming fuel processor |
US20020182132A1 (en) * | 2000-10-04 | 2002-12-05 | Lesieur Roger R. | Fuel gas reformer assemblage |
US20020064487A1 (en) * | 2000-11-30 | 2002-05-30 | Richard Sederquist | Compact Multiple tube steam reformer |
US6759016B2 (en) * | 2000-11-30 | 2004-07-06 | Ballard Power Systems Inc. | Compact multiple tube steam reformer |
US6967063B2 (en) | 2001-05-18 | 2005-11-22 | The University Of Chicago | Autothermal hydrodesulfurizing reforming method and catalyst |
US6787115B2 (en) * | 2001-06-11 | 2004-09-07 | General Motors Corporation | Passive element for fuel processor start up transient temperature control |
US6926748B2 (en) * | 2001-11-19 | 2005-08-09 | General Motors Corporation | Staged lean combustion for rapid start of a fuel processor |
US6838062B2 (en) * | 2001-11-19 | 2005-01-04 | General Motors Corporation | Integrated fuel processor for rapid start and operational control |
US6838200B2 (en) | 2002-01-22 | 2005-01-04 | General Motors Corporation | Fuel processing system having gas recirculation for transient operations |
US7008707B2 (en) * | 2002-02-15 | 2006-03-07 | General Motors Corporation | Direct water vaporization for fuel processor startup and transients |
US7507384B2 (en) * | 2002-06-13 | 2009-03-24 | Nuvera Fuel Cells, Inc. | Preferential oxidation reactor temperature regulation |
US7410016B2 (en) * | 2002-06-24 | 2008-08-12 | Delphi Technologies,Inc. | Solid-oxide fuel cell system having a fuel combustor to pre-heat reformer on start-up |
DE10229904A1 (en) * | 2002-07-03 | 2004-01-15 | Robert Bosch Gmbh | metering |
US7261749B2 (en) * | 2002-09-05 | 2007-08-28 | General Motors Corporation | Multi-port autothermal reformer |
US7341609B2 (en) * | 2002-10-03 | 2008-03-11 | Genesis Fueltech, Inc. | Reforming and hydrogen purification system |
CA2415536A1 (en) * | 2002-12-31 | 2004-06-30 | Long Manufacturing Ltd. | Reformer for converting fuel to hydrogen |
US20040200209A1 (en) * | 2003-04-14 | 2004-10-14 | Kirwan John E. | Emissions reduction system and method |
US7815699B2 (en) * | 2003-10-21 | 2010-10-19 | Gm Global Technology Operations, Inc. | Method for starting a primary reactor |
PL1570901T3 (en) * | 2004-03-01 | 2009-01-30 | Haldor Topsoe As | Process for cooling an exothermic reaction zone and reactor unit |
CA2568987A1 (en) * | 2004-06-02 | 2005-12-15 | Ebara Ballard Corporation | Fuel processor |
US20060111912A1 (en) * | 2004-11-19 | 2006-05-25 | Christian Andrew D | Audio analysis of voice communications over data networks to prevent unauthorized usage |
KR20060081728A (en) * | 2005-01-10 | 2006-07-13 | 삼성에스디아이 주식회사 | Fuel cell system, reformer and burner |
US7610993B2 (en) * | 2005-08-26 | 2009-11-03 | John Timothy Sullivan | Flow-through mufflers with optional thermo-electric, sound cancellation, and tuning capabilities |
US7368200B2 (en) * | 2005-12-30 | 2008-05-06 | Tekion, Inc. | Composite polymer electrolyte membranes and electrode assemblies for reducing fuel crossover in direct liquid feed fuel cells |
US20090042071A1 (en) * | 2007-08-07 | 2009-02-12 | Fischer Bernhard A | Multi-tube fuel reformer with augmented heat transfer |
EP2519342B1 (en) | 2009-12-30 | 2018-10-24 | Hysytech S.r.l. | Endothermic reaction unit and steam reforming device comprising this reaction unit |
CA2876374C (en) | 2012-06-14 | 2020-09-01 | Nuvera Fuel Cells, Inc. | Steam reformers for the production of hydrogen reformate and uses thereof |
DE102012015667A1 (en) * | 2012-08-09 | 2014-04-30 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Discharge system for a steam reformer and storage for this |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3395004A (en) * | 1964-01-20 | 1968-07-30 | Exxon Research Engineering Co | Low-temperature, high-pressure, catalytic, partial conversion of naphtha hydrocarbons to hydrogen |
US3475126A (en) * | 1967-03-02 | 1969-10-28 | Exxon Research Engineering Co | Low-temperature,low-pressure vapor reforming |
US3469944A (en) * | 1968-05-13 | 1969-09-30 | Joseph P Bocard | Process and apparatus for the manufacture of hydrogen for fuel cells |
US3992166A (en) * | 1972-12-28 | 1976-11-16 | Japan Gasoline Co., Ltd. | Low temperature steam reforming process for hydrocarbons |
CA1095696A (en) * | 1976-12-22 | 1981-02-17 | Richard F. Buswell | Catalytic reaction apparatus |
CA1103428A (en) * | 1976-12-22 | 1981-06-23 | George R. Krar | Compact multi-tube catalytic reaction apparatus |
CA1101194A (en) * | 1976-12-22 | 1981-05-19 | Richard F. Buswell | Multi-tube catalytic reaction apparatus |
US4203950A (en) * | 1977-12-27 | 1980-05-20 | United Technologies Corporation | Steam reforming reactor designed to reduce catalyst crushing |
US4670359A (en) * | 1985-06-10 | 1987-06-02 | Engelhard Corporation | Fuel cell integrated with steam reformer |
US4585708A (en) * | 1985-06-11 | 1986-04-29 | Energy Research Corporation | Fuel cell system with premixing of water miscible hydrocarbon fuel and water |
AU6120486A (en) * | 1985-06-27 | 1987-01-30 | Stone & Webster Engineering Corporation | Production of synthesis gas using convective reforming |
US5181937A (en) * | 1985-06-27 | 1993-01-26 | Stone & Webster Engineering Corp. | Apparatus for production of synthesis gas using convective reforming |
DE3532413A1 (en) * | 1985-09-11 | 1987-03-12 | Uhde Gmbh | DEVICE FOR GENERATING SYNTHESIS GAS |
US4820314A (en) * | 1987-02-11 | 1989-04-11 | International Fuel Cells Corporation | Fuel cell power plant reformer |
US5019463A (en) * | 1989-10-26 | 1991-05-28 | Yamaha Hatsudoki Kabushiki Kaisha | Fuel cell system |
JPH02172159A (en) * | 1988-12-24 | 1990-07-03 | Ishikawajima Harima Heavy Ind Co Ltd | Molten carbonate fuel cell power generating method and system |
-
1994
- 1994-05-27 US US08/250,371 patent/US5484577A/en not_active Expired - Lifetime
-
1995
- 1995-05-19 CA CA002149793A patent/CA2149793C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5484577A (en) | 1996-01-16 |
CA2149793C (en) | 2001-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |