Process for obtaining hydrogen and oxygen from water

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

1974-10-04

1977-03-08

Thomas, Earl C.

Chemistry of inorganic compounds

Oxygen or compound thereof

423481, 426658, C01B 1302

Patent

active

040113051

ABSTRACT:
A process for the dissociation of water into hydrogen and oxygen in a multi-stage closed cycle process using a system involving at least one metallic element having multiple valency and at least one halogen, characterized in that a halide of the multiple valency metallic element is subjected to a mixture of steam and hydrogen converting the halide to a mixture of the metallic element and at least one oxide thereof, said latter mixture is subjected to steam to produce a mixed valency oxide of the metallic element accompanied by the liberation of hydrogen, and said mixed valency oxide is then subjected to a hydrogen halide to convert it back to the said metallic halide with the liberation of oxygen.

REFERENCES:
patent: 3443991 (1969-05-01), Kremm
patent: 3842164 (1974-10-01), Wentorf, Jr.

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