Method for decontaminating a photographic effluent

Details Method for decontaminating a photographic effluent Method for decontaminating a photographic effluent

1998-06-05

2000-03-28

Cintins, Ivars

Liquid purification or separation

Processes

Chemical treatment

430398, C02F 172

Patent

active

060427345

ABSTRACT:
The invention concerns a method for treating a photographic effluent with an oxidation catalyst. This catalyst is prepared by forming in situ, in a porous membrane, a cerium derivative. In this way the thiosulfate and organics contents of photographic effluents are reduced.

REFERENCES:
patent: 3997347 (1976-12-01), Parsonage
patent: 4710484 (1987-12-01), Dolhyj et al.

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