Process for thermochemical cleavage of water into hydrogen and o

Details Process for thermochemical cleavage of water into hydrogen and o Process for thermochemical cleavage of water into hydrogen and o

1975-12-04

1976-11-30

Thomas, Earl C.

Chemistry of inorganic compounds

Oxygen or compound thereof

423475, 423486, 423500, 423648, C01B 1300, C01B 105

Patent

active

039950166

ABSTRACT:
A process for the production of hydrogen and oxygen by the cleaving of water which involves the steps of (a) reacting water vapor and iodine vapor in the presence of cuprous iodide at a temperature of 125.degree. to 450.degree. C. to form hydrogen iodide and a solid oxygen-iodine intermediate; (b) recovering the hydrogen iodide formed in step (a); and (c) thermally or photolytically decomposing the recovered hydrogen iodide into hydrogen and iodine, continuously collecting and removing the hydrogen so formed.

REFERENCES:
patent: 1324761 (1919-12-01), Carter
patent: 3839550 (1974-10-01), Wentorf, Jr.
patent: 3929980 (1975-12-01), Abraham et al.
"Hydrogen Sought via Thermochemical Methods" , Chemical and Engineering News, Sept. 3, 1973, pp. 32 & 33.
Mellor, "Inorganic & Theoretical Chemistry", Supplement II, Part I, p. 857, Longmans, Green & Company, 1956.

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