Process for the photocatalytic decomposition of water into hydro

Details Process for the photocatalytic decomposition of water into hydro Process for the photocatalytic decomposition of water into hydro

1987-08-06

1989-02-07

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

C25G 102

Patent

active

048029637

ABSTRACT:
Hydrogen and oxygen are obtained by the photocatalytic decomposition of water by passing light in an inert atmosphere through an aqueous solution of dioxygen complex of ruthenium and EDTA in which is suspended a semiconductor of hexagonal crystal structure loaded with a noble metal and a transition metal oxide. Hydrogen and oxygen are known to have various uses. Precipitation of the semiconductor material and annealing it at a temperature from 300.degree.-350.degree. C. result in the semiconductor of hexagonal structure which is suspended in the aqueous solution.

REFERENCES:
patent: 4484992 (1984-11-01), Buhler et al.
patent: 4515667 (1985-05-01), Loza
patent: 4521499 (1985-06-01), Switzer
patent: 4592807 (1986-06-01), Switzer

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