Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1994-05-06
1995-09-19
Niebling, John
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
C25C 120
Patent
active
054512980
ABSTRACT:
A method for the electrolytic recovery of silver is disclosed. The silver is recovered from two film processing machines. Each machine has a fixing bath. Silver concentration is determined in each bath by an electrolysis cell of a silver recovery unit The silver concentration is used for connecting the fixing baths. The method comprises the steps of:
REFERENCES:
patent: 3964990 (1976-06-01), Woyden
patent: 4362608 (1982-12-01), Biles et al.
patent: 4834850 (1989-05-01), de Nora et al.
Propectus of H. Stamm KG Company/1991.
Eastman Kodak Company
Everett John R.
Mee Brendan
Niebling John
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