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WO2006096692A3 - Apparatus and method for producing sulfur from hydrogen sulfide - Google Patents

Apparatus and method for producing sulfur from hydrogen sulfide Download PDF

Info

Publication number
WO2006096692A3
WO2006096692A3 PCT/US2006/008036 US2006008036W WO2006096692A3 WO 2006096692 A3 WO2006096692 A3 WO 2006096692A3 US 2006008036 W US2006008036 W US 2006008036W WO 2006096692 A3 WO2006096692 A3 WO 2006096692A3
Authority
WO
WIPO (PCT)
Prior art keywords
hydrogen sulfide
photo
producing sulfur
solution
sulfur
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.)
Ceased
Application number
PCT/US2006/008036
Other languages
French (fr)
Other versions
WO2006096692A2 (en
Inventor
Burnard P Bockris
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.)
World Hydrogen Inc
Original Assignee
World Hydrogen 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 World Hydrogen Inc filed Critical World Hydrogen Inc
Publication of WO2006096692A2 publication Critical patent/WO2006096692A2/en
Anticipated expiration legal-status Critical
Publication of WO2006096692A3 publication Critical patent/WO2006096692A3/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/50—Processes
    • C25B1/55—Photoelectrolysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

An apparatus is provided for producing sulfur from hydrogen sulfide. The apparatus includes a container containing a solution that includes hydrogen sulfide. Within the container, and at least partially submerged in the solution, is a photo-anode, formed of an N-type semiconductor, and a photo-cathode, formed of a P-type semiconductor. Each electrode is at least partially covered with a catalyst material. The photo-anode and photo-cathode are electrically coupled to each other and develop charges of opposite polarity when exposed to a light source, which causes the sulfur to separate from the hydrogen in the solution. Also provided is a method for producing sulfur from hydrogen sulfide.
PCT/US2006/008036 2005-03-04 2006-03-03 Apparatus and method for producing sulfur from hydrogen sulfide Ceased WO2006096692A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/073,231 2005-03-04
US11/073,231 US20060196776A1 (en) 2005-03-04 2005-03-04 Apparatus and method for producing sulfur from hydrogen sulfide

Publications (2)

Publication Number Publication Date
WO2006096692A2 WO2006096692A2 (en) 2006-09-14
WO2006096692A3 true WO2006096692A3 (en) 2007-10-04

Family

ID=36943090

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/008036 Ceased WO2006096692A2 (en) 2005-03-04 2006-03-03 Apparatus and method for producing sulfur from hydrogen sulfide

Country Status (2)

Country Link
US (1) US20060196776A1 (en)
WO (1) WO2006096692A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1867390A4 (en) * 2005-03-31 2010-11-24 Univ Tohoku METHOD FOR PROCESSING SULFUR HYDROGEN, METHOD FOR PRODUCING HYDROGEN AND PHOTO CATALYST REACTOR
WO2012078554A2 (en) * 2010-12-07 2012-06-14 President And Fellows Of Harvard College Biochemical systems for sulfur and carbon sequestration
IT1403892B1 (en) 2010-12-29 2013-11-08 Eni Spa TANDEM PHOTOELECTROLYTIC CELL FOR PHOTO-OXIDATION OF SULFURS WITH HYDROGEN PRODUCTION
CN110247138B (en) * 2019-06-19 2021-07-30 东北大学 Light charging water system aluminum-sulfur battery

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405424A (en) * 1981-06-03 1983-09-20 Michael Graetzel Method for producing hydrogen and elemental sulphur by photochemical oxidation-reduction of hydrogen sulphide and metal sulphides
US5908545A (en) * 1997-08-19 1999-06-01 Natural Resources Canada Electrochemical process for decomposing hydrogen sulfide to produce hydrogen and sulfur
US6241871B1 (en) * 1998-04-16 2001-06-05 Ethyl Tech Inc. Electrochemical oxidation of hydrogen sulfide

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995952A (en) * 1987-04-30 1991-02-26 Balasubramaniam Dandapani Electrolysis of water using hydrogen sulfide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405424A (en) * 1981-06-03 1983-09-20 Michael Graetzel Method for producing hydrogen and elemental sulphur by photochemical oxidation-reduction of hydrogen sulphide and metal sulphides
US5908545A (en) * 1997-08-19 1999-06-01 Natural Resources Canada Electrochemical process for decomposing hydrogen sulfide to produce hydrogen and sulfur
US6241871B1 (en) * 1998-04-16 2001-06-05 Ethyl Tech Inc. Electrochemical oxidation of hydrogen sulfide

Also Published As

Publication number Publication date
WO2006096692A2 (en) 2006-09-14
US20060196776A1 (en) 2006-09-07

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