Process for producing hydrogen and oxygen from water

Details Process for producing hydrogen and oxygen from water Process for producing hydrogen and oxygen from water

1974-12-23

1976-12-21

Stern, Edward

Chemistry of inorganic compounds

Hydrogen or compound thereof

Elemental hydrogen

423481, 423493, 423500, 423503, 423579, 423632, 423657, C01B 102, C01B 105, C01B 708, C01B 1300

Patent

active

039989429

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, thermally reducing the ferric chloride to produce ferrous chloride, then oxidizing either the ferrous compound or metallic iron with water so as to produce hydrogen. The metallic iron may be formed by reducing the ferrous compound with hydrogen. Four specific reactant regenerative closed cycle systems are disclosed utilizing the process of this invention for the production of hydrogen with high energy efficiencies.

REFERENCES:
patent: 3842164 (1974-10-01), Wentorf, Jr.
patent: 3939257 (1976-02-01), Pangborn et al.
C & EN, Sept. 3, 1973, pp. 32 and 33.
C. A. Jacobson's "Encyclopedia of Chemical Reactions," vol. 2, 1948, p. 683. Reinhold Pub. Corp., N.Y.

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