Control system for the electrolytic recovery of silver from phot

Details Control system for the electrolytic recovery of silver from phot Control system for the electrolytic recovery of silver from phot

1980-03-27

1981-04-21

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25C 122

Patent

active

042631084

ABSTRACT:
Plating current in a silver-recovery process is controlled as a function of the cell voltage of the system taken in the absence of plating current, and held as a control determinant. The control is modified to produce certain characteristics at low silver concentration to further reduce sulfiding.

REFERENCES:
patent: 3751355 (1973-08-01), Mandroian
patent: 3875032 (1975-04-01), Thompson
patent: 4018658 (1977-04-01), Alfin et al.

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