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Primary Examiner: Stern, Edward
Assistant Examiner:
Attorney: Speckman; Thomas W.

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Title: Process for producing hydrogen from water

Abstract: A process for the production of hydrogen and oxygen from water comprising the steps of forming ferric chloride from ferriferrous oxide by reaction with a chloride ion yielding substance, reducing the ferric chloride produced with a reducing agent to produce ferrous chloride, and then oxidizing the ferrous compound with water so as to produce hydrogen. Suitable reducing agents include cuprous chloride, chromous chloride and platinum. Several reactant regenerative closed cycle systems are disclosed utilizing the process of this invention for the production of hydrogen with high energy efficiences.

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Inventors: Pangborn, Jon B. (Lisle, IL, US)
Sharer, John C. (Evanston, IL, US)

Application Number: 390178
Filing Date: 1973-08-20
Publication_date: 1976-02-17
Assignee: American Gas Association (Arlington, VA)
Primary Class(es): 423/658 423/481, 423/493, 423/579, 423/632, 423/657
Other Classes:
US Patent Ref:
Other Refs: Other References: Jacobson's "Encyclopedia of Chemical Reactions," Vol. 4, 1951 Ed., pp. 37 and 51, Reinhold Pub. Corp., New York.
J. W. Mellor's "A Comprehensive Treatise on Inorganic and Theoretical Chem.," Vol. 3, 1923, p. 158, and Vol. 13, 1934, p. 758, and Vol. 14, Part 3, 1935, p. 21, Longmans, Green & Co., New York.