Method for treating a plating solution

Details Method for treating a plating solution Method for treating a plating solution

1987-10-29

1988-08-23

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25D 2116

Patent

active

047658720

ABSTRACT:
A method for treating a plating solution in an electrolytic cell having a cathode compartment and an anode compartment partitioned by an ion-exchange membrane, which comprises supplying a plating solution containing not more than 10 g/liter of Fe.sup.3+ ions to the cathode compartment and an electrically conductive solution to the anode compartment, and electrolytically reducing the Fe.sup.3+ ions in the plating solution to Fe.sup.2+ ions, wherein an electrode having a hydrogen overvoltage of not higher than 350 mV, preferably made of a carbon material, is used as a cathode.

REFERENCES:
patent: 3573181 (1971-03-01), Cochran

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