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EP1765745A4 - Dissociation de l'eau moleculaire en hydrogene moleculaire - Google Patents

Dissociation de l'eau moleculaire en hydrogene moleculaire

Info

Publication number
EP1765745A4
EP1765745A4 EP04777427A EP04777427A EP1765745A4 EP 1765745 A4 EP1765745 A4 EP 1765745A4 EP 04777427 A EP04777427 A EP 04777427A EP 04777427 A EP04777427 A EP 04777427A EP 1765745 A4 EP1765745 A4 EP 1765745A4
Authority
EP
European Patent Office
Prior art keywords
molecular
dissociation
water
hydrogen
molecular hydrogen
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Withdrawn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
EP04777427A
Other languages
German (de)
English (en)
Other versions
EP1765745A2 (fr
Inventor
Ronny Bar-Gadda
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.)
Bar-Gadda LLC
Original Assignee
Bar-Gadda LLC
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 claimed from US10/632,708 external-priority patent/US7384619B2/en
Priority claimed from US10/819,591 external-priority patent/US9079772B2/en
Application filed by Bar-Gadda LLC filed Critical Bar-Gadda LLC
Publication of EP1765745A2 publication Critical patent/EP1765745A2/fr
Publication of EP1765745A4 publication Critical patent/EP1765745A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/129—Radiofrequency
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/126—Microwaves
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/127—Sunlight; Visible light
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2475—Membrane reactors
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0203—Preparation of oxygen from inorganic compounds
    • C01B13/0207—Water
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24—Nitric oxide (NO)
    • C01B21/30—Preparation by oxidation of nitrogen
    • 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
    • C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
    • C01B3/042—Decomposition of water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
    • F02M25/12—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone the apparatus having means for generating such gases
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0873—Materials to be treated
    • B01J2219/0877—Liquid
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0873—Materials to be treated
    • B01J2219/0881—Two or more materials
    • B01J2219/0883—Gas-gas
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0873—Materials to be treated
    • B01J2219/0892—Materials to be treated involving catalytically active material
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0894—Processes carried out in the presence of a plasma
    • 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
    • C01B2203/0861—Methods of heating the process for making hydrogen or synthesis gas by plasma
    • 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
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • 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
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
EP04777427A 2003-06-30 2004-06-30 Dissociation de l'eau moleculaire en hydrogene moleculaire Withdrawn EP1765745A4 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US48408403P 2003-06-30 2003-06-30
US10/632,708 US7384619B2 (en) 2003-06-30 2003-08-01 Method for generating hydrogen from water or steam in a plasma
US10/819,591 US9079772B2 (en) 2003-08-01 2004-04-06 Radiant energy dissociation of molecular water into molecular hydrogen
PCT/US2004/021267 WO2005005009A2 (fr) 2003-06-30 2004-06-30 Dissociation de l'eau moleculaire en hydrogene moleculaire

Publications (2)

Publication Number Publication Date
EP1765745A2 EP1765745A2 (fr) 2007-03-28
EP1765745A4 true EP1765745A4 (fr) 2009-06-03

Family

ID=34069100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04777427A Withdrawn EP1765745A4 (fr) 2003-06-30 2004-06-30 Dissociation de l'eau moleculaire en hydrogene moleculaire

Country Status (3)

Country Link
EP (1) EP1765745A4 (fr)
CA (1) CA2572434A1 (fr)
WO (1) WO2005005009A2 (fr)

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KR100810620B1 (ko) * 2005-05-17 2008-03-06 한국기초과학지원연구원 마이크로웨이브 플라즈마 방전에 의한 수소기체 제조방법
DE102006035893A1 (de) 2006-07-31 2008-02-07 Wolf, Bodo M., Dr. Verfahren zur Wiederaufarbeitung von Verbrennungsprodukten fossiler Brennstoffe
DE102007026008B4 (de) * 2007-06-04 2009-05-20 Conpower Energieanlagen Gmbh & Co Kg. Verfahren zur Wasserstoffgewinnung aus Dissoziation, sowie Dissoziationseinrichtung selbst
PL385528A1 (pl) * 2008-06-25 2010-01-04 Svensson Karol Sposób termicznego rozkładu wody z odśrodkową separacją wodoru oraz tlenu i reaktor do stosowania tego sposobu
US20100000876A1 (en) * 2008-07-02 2010-01-07 Sandbox Energy Systems, LLC Caviation assisted sonochemical hydrogen production system
FR2936506A1 (fr) * 2008-09-30 2010-04-02 Commissariat Energie Atomique Dispositif de production d'hydrogene a partir d'un plasma a la resonance cyclotron electronique
FR2936505B1 (fr) * 2008-09-30 2011-05-20 Commissariat Energie Atomique Dispositif de production d'hydrogene par plasma a la resonance cyclotron electronique
US9500362B2 (en) * 2010-01-21 2016-11-22 Powerdyne, Inc. Generating steam from carbonaceous material
HUE032469T2 (en) * 2010-01-21 2017-09-28 Powerdyne Inc Generating steam from carbonaceous materials
FR2955618B1 (fr) 2010-01-26 2016-02-19 Motorisations Aeronautiques Culasse de moteur a combustion interne comportant un circuit de refroidissement
KR20140035399A (ko) * 2011-05-16 2014-03-21 파워다인, 인코포레이티드 증기 생성 시스템
EP2893325A4 (fr) 2012-09-05 2016-05-18 Powerdyne Inc Production de combustible au moyen de procédés consistant à utiliser les champs électriques haute tension
BR112015004828A2 (pt) 2012-09-05 2017-07-04 Powerdyne Inc método para produzir combustível
BR112015004839A2 (pt) 2012-09-05 2017-07-04 Powerdyne Inc sistema para sintetizar um fluido combustível
US9458740B2 (en) 2012-09-05 2016-10-04 Powerdyne, Inc. Method for sequestering heavy metal particulates using H2O, CO2, O2, and a source of particulates
US9765270B2 (en) 2012-09-05 2017-09-19 Powerdyne, Inc. Fuel generation using high-voltage electric fields methods
BR112015004831A2 (pt) 2012-09-05 2017-07-04 Powerdyne Inc método para produzir energia elétrica
HK1212282A1 (en) 2012-09-05 2016-06-10 Powerdyne, Inc. Methods for generating hydrogen gas using plasma sources
KR101635439B1 (ko) 2013-03-12 2016-07-01 파워다인, 인코포레이티드 병렬 처리되는 합성가스로부터 연료를 제조하기 위한 시스템 및 방법
WO2015002524A1 (fr) 2013-07-01 2015-01-08 Carrillo Rubio David Homero Dispositif de dissociation moléculaire par résonance
BR102014003647A2 (pt) * 2014-02-17 2015-12-01 José Roberto Fernandes Beraldo processo de obtenção e controle de energia limpa a partir da água, conversão da água em combustível através da extração e utilização do hidrogênio, e respectivo equipamento expansor molecular de gás
KR20170026482A (ko) * 2014-06-27 2017-03-08 고쿠리츠 다이가쿠 호진 큐슈 코교 다이가쿠 상계면 반응을 이용한 반응 생성물 제조 방법 및 상계면 반응 장치, 그리고 2차 반응 생성물 제조 방법
WO2016167737A1 (fr) * 2015-04-17 2016-10-20 Vanderpan Peter W Procédé de séparation et de recombinaison de la molécule d'eau
RU2019108040A (ru) 2016-08-31 2020-10-01 Ван Сайнтифик, Инк. Сша Системы, устройства и способы для получения электрической энергии посредством преобразования воды в водород и кислород
EP3460099A1 (fr) * 2017-09-21 2019-03-27 Hymeth ApS Procédé et système de production d'un mélange de gaz
CN111099557B (zh) * 2018-10-25 2023-02-21 中国科学院金属研究所 利用液态金属集流体构筑集成式光催化分解水系统的方法
EP3865455A1 (fr) * 2020-02-17 2021-08-18 Intergreentech GmbH Procédé et dispositif d'extraction des gaz de brown et/ou d'oxygène et d'hydrogène, en particulier pour moteurs à combustion, brûleurs chauffants ou piles à combustible
JP2023551054A (ja) * 2020-11-25 2023-12-06 ティーアイ ホールディングス ベスローテン ヴェンノーツハップ 熱交換器
DE202021104565U1 (de) 2021-08-25 2021-12-14 Mc 2020 Scpm Thermischer Energiewandler
AU2022335000A1 (en) 2021-08-25 2024-03-28 TI-Holdings B.V. Thermal inverter box
CN115744818A (zh) * 2021-09-02 2023-03-07 余正 水分解成氢氧能源的制备与工艺
ES2939558B2 (es) * 2021-10-22 2023-10-24 Hidrogmar Ros Roca Slu Un dispositivo de generacion de hidrogeno
EP4450456A1 (fr) 2023-04-18 2024-10-23 Quantum Energy d.o.o. Dispositif et procédé de génération d'un flux de gaz réactif à haute température à partir de vapeur d'eau

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE2535358A1 (de) * 1974-08-07 1976-02-19 Shigeta Hasebe Verfahren und vorrichtung zur umwandlung von wasser in ein feuchtes gas, in welchem der wasserstoff und der sauerstoff getrennt sind
US4107008A (en) * 1975-06-16 1978-08-15 Beeston Company Limited Electrolysis method for producing hydrogen and oxygen
GB1600524A (en) * 1977-04-25 1981-10-14 Leach S L Apparatus for and method of accomplishing ionisation or dissociation of a gaseous feedstock
US4419329A (en) * 1980-07-09 1983-12-06 Heller Charles H Device for producing hydrogen and oxygen gases
US5318684A (en) * 1992-09-17 1994-06-07 Charles Cameron Systems for the decomposition of water
DE10016907A1 (de) * 1999-04-28 2001-01-25 Reimpell Ottmar Verfahren zur Herstellung von Wasserstoff

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Publication number Priority date Publication date Assignee Title
JPS52104468A (en) * 1976-02-28 1977-09-01 Shigeta Hasebe Liquid decomposition apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535358A1 (de) * 1974-08-07 1976-02-19 Shigeta Hasebe Verfahren und vorrichtung zur umwandlung von wasser in ein feuchtes gas, in welchem der wasserstoff und der sauerstoff getrennt sind
US4107008A (en) * 1975-06-16 1978-08-15 Beeston Company Limited Electrolysis method for producing hydrogen and oxygen
GB1600524A (en) * 1977-04-25 1981-10-14 Leach S L Apparatus for and method of accomplishing ionisation or dissociation of a gaseous feedstock
US4419329A (en) * 1980-07-09 1983-12-06 Heller Charles H Device for producing hydrogen and oxygen gases
US5318684A (en) * 1992-09-17 1994-06-07 Charles Cameron Systems for the decomposition of water
DE10016907A1 (de) * 1999-04-28 2001-01-25 Reimpell Ottmar Verfahren zur Herstellung von Wasserstoff

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005005009A2 *

Also Published As

Publication number Publication date
EP1765745A2 (fr) 2007-03-28
CA2572434A1 (fr) 2005-01-20
WO2005005009A3 (fr) 2005-05-12
WO2005005009A2 (fr) 2005-01-20

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