Recovery of silver from photographic film with high shear and ca

Details Recovery of silver from photographic film with high shear and ca Recovery of silver from photographic film with high shear and ca

1988-03-08

1989-01-24

Stoll, Robert L.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

134 28, 134 29, 134 34, 521 40, 521 46, 521 48, C22B 1104

Patent

active

047999543

ABSTRACT:
A process for the recovery of silver from exposed or unexposed photographic film using a caustic alkali solution at elevated temperatures with high shear.

REFERENCES:
patent: 1637990 (1927-08-01), Ellis et al.
patent: 3652466 (1972-03-01), Hittel et al.
patent: 4602046 (1986-07-01), Buser et al.
patent: 4612057 (1986-09-01), Buser et al.

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