GB2088351A - Process for producing hydrogen from water using light energy and aqueous compositions - Google Patents

Process for producing hydrogen from water using light energy and aqueous compositions

Info

Publication number
GB2088351A
GB2088351A GB8136137A GB8136137A GB2088351A GB 2088351 A GB2088351 A GB 2088351A GB 8136137 A GB8136137 A GB 8136137A GB 8136137 A GB8136137 A GB 8136137A GB 2088351 A GB2088351 A GB 2088351A
Authority
GB
United Kingdom
Prior art keywords
water
aqueous compositions
hydrogen
reagent
producing 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Withdrawn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
GB8136137A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB2088351A publication Critical patent/GB2088351A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

Hydrogen gas is used in industrial processes. It has potential as a fuel and as a chemical raw material but large quantities are needed The present processes for obtaining hydrogen from hydrocarbons and/or producer gas or by electrolysis of water are generally not economical. The present invention provides a process for producing hydrogen from water using light as the energy source, and aqueous compositions used in said process. Said aqueous compositions comprise at least one photo-excitable reagent which absorbs light to donate an electron and produce hydrogen. The compositions also contain a solvent and at least one reagent selected from the group consisting of chain reaction agents which are free radical formers, and spectral sensitizers, and preferably at least one reagent of each of these two types.
GB8136137A 1980-04-04 1980-04-04 Process for producing hydrogen from water using light energy and aqueous compositions Withdrawn GB2088351A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/000360 WO1981002851A1 (en) 1980-04-04 1980-04-04 Process for producing hydrogen from water using light energy and aqueous compositions

Publications (1)

Publication Number Publication Date
GB2088351A true GB2088351A (en) 1982-06-09

Family

ID=22154269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8136137A Withdrawn GB2088351A (en) 1980-04-04 1980-04-04 Process for producing hydrogen from water using light energy and aqueous compositions

Country Status (5)

Country Link
EP (1) EP0048710A4 (en)
JP (1) JPS57500644A (en)
AU (1) AU5994580A (en)
GB (1) GB2088351A (en)
WO (1) WO1981002851A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013154333A (en) * 2012-01-31 2013-08-15 Toyota Motor Corp Method and apparatus for producing hydrogen and oxygen by decomposing water with photocatalyst

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045315A (en) * 1976-02-13 1977-08-30 Nasa Solar photolysis of water
GB1602963A (en) * 1977-04-13 1981-11-18 Nat Res Dev Catalytic process for photo-oxidation of water
GB1602964A (en) * 1977-06-10 1981-11-18 Nat Res Dev Photochemical method and apparatus
US4105517A (en) * 1977-09-30 1978-08-08 Nasa Solar photolysis of water
US4169030A (en) * 1978-08-03 1979-09-25 California Institute Of Technology Light assisted reactions of dinuclear diisocyano ligand bridged complexes
DE2908633A1 (en) * 1979-03-06 1980-09-18 Studiengesellschaft Kohle Mbh METHOD FOR PHOTOCHEMICALLY PRODUCING HYDROGEN FROM WATER
GB2060702B (en) * 1979-09-08 1983-03-09 Engelhard Min & Chem Photolysis of water - h2 and o2 production

Also Published As

Publication number Publication date
AU5994580A (en) 1981-10-26
EP0048710A4 (en) 1982-06-18
JPS57500644A (en) 1982-04-15
WO1981002851A1 (en) 1981-10-15
EP0048710A1 (en) 1982-04-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)