Process for the destruction of developed and undeveloped photose

Details Process for the destruction of developed and undeveloped photose Process for the destruction of developed and undeveloped photose

1974-05-01

1976-05-11

Ozaki, G.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

75118R, 75118P, 75101R, C22D 112, C22B 1104

Patent

active

039560880

ABSTRACT:
The destruction of developed or undeveloped photographic film in a manner which permits also the recovery of silver and organic components from the film material in which the film is subjected to wet oxidation at high temperature and high pressure in the presence of a wet oxidation catalyst and a silver complexing compound, and then subjecting the liquor from the wet oxidation step to processing to separate the solubilized silver which is freed from the film and to separate components derived from the film material in the liquor that remains.

REFERENCES:
patent: 381849 (1888-04-01), Russell
patent: 1627582 (1927-05-01), Terry
patent: 2867529 (1959-01-01), Forward et al.
patent: 3554883 (1971-01-01), Green
patent: 3649250 (1972-03-01), Dorenfeld et al.
patent: 3660079 (1972-05-01), Govani
patent: 3733256 (1973-05-01), Anderson
patent: 3793168 (1974-02-01), Lilly

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