Decomposition of water

Details Decomposition of water Decomposition of water

1978-05-16

1979-07-24

Vertiz, O. R.

Chemistry of inorganic compounds

Oxygen or compound thereof

423561R, 423648R, C01B 102, C01B 1302

Patent

active

041623029

ABSTRACT:
Water is decomposed into hydrogen and oxygen in a series of steps. In the first step hydrogen sulfide is reacted with cuprous sulfide to produce the hydrogen and cuprous sulfide. The cupric sulfide is then decomposed to produce sulfur and to regenerate the cupric sulfide. The sulfur is reacted with water to produce the hydrogen sulfide and sulfur dioxide. The sulfur dioxide is reacted with water to produce sulfuric acid. The sulfuric acid is decomposed to produce the sulfur dioxide, oxygen, and water.
The decomposition of the sulfuric acid can be performed in four steps. In the first step the sulfuric acid is reacted with a metallic oxide to produce a solution of a metallic sulfate. The hydrate of the metallic sulfate is crystallized from the solution and is decomposed into the metallic sulfate and water. The metallic sulfate is decomposed into the metallic oxide, oxygen, and the sulfur dioxide.

REFERENCES:
patent: 1693244 (1928-11-01), McDowell et al.
patent: 2979384 (1961-04-01), Weiner et al.
patent: 3969495 (1976-07-01), Dreyfuss
patent: 3995012 (1976-11-01), Barnert et al.

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