Electrolytic metal recovery method

Details Electrolytic metal recovery method Electrolytic metal recovery method

1996-12-04

1998-07-21

Bell, Bruce F.

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Involving measuring, analyzing, or testing during synthesis

205507, 205702, 205771, C25B 1502

Patent

active

057830606

ABSTRACT:
The cell controller 18 responds to a number of specific conditions including a flow switch 24 output signal 34 which indicates that fresh solution flows from a reservoir 14 into the metal solution tank 12. The cell will be caused to operate in the plating mode in response to the detection of fresh solution flow, and cell performance can be monitored by comparing an estimate of metal released into the solution based on flow of fresh solution and a measurement of metal recovered. The invention is particularly advantageous for controlling the electrolytic recovery of silver from photographic processing solution.

REFERENCES:
patent: 4675085 (1987-06-01), Vasquez
patent: 4776931 (1988-10-01), Hardy
patent: 5102513 (1992-04-01), Pelkus
patent: 5310466 (1994-05-01), La Riviere et al.
Derwent Abstract of Soviet Patent 1 258 888, Sep. 23, 1986.

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