Oxidation of polythionates

Details Oxidation of polythionates Oxidation of polythionates

1984-08-06

1986-04-15

Niebling, John F.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

210762, 210763, 423 45, 423544, 423577, C01G 310

Patent

active

045826900

ABSTRACT:
Thiosalts contained in waste streams are oxidized to sulfate ions in the presence of sulfur-bound copper. Air oxidation of the waste stream is effected in a slurry of the copper compound, which may be CuS, Cu.sub.2 S or chalcopyrite, and continuous long term operation is possible without loss of catalytic activity and without catalyst degradation.

REFERENCES:
patent: 3029202 (1962-04-01), Brown
patent: 3186942 (1965-06-01), Benger
patent: 3865744 (1975-02-01), Parker et al.
patent: 3878071 (1975-04-01), Selby et al.
patent: 3957062 (1976-05-01), Johnson et al.
patent: 3962073 (1976-06-01), Yoshikawa et al.
patent: 4029578 (1977-06-01), Turk
patent: 4070183 (1978-01-01), Parker et al.

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