Process for electroplating metals

Details Process for electroplating metals Process for electroplating metals

1987-09-08

1988-10-18

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

C25D 500

Patent

active

047785721

ABSTRACT:
A process for electroplating metals in an electroplating bath having an anode and a cathode. The cathode is formed by a workpiece to be plated and the anode includes soluble material in the form of the metal to be plated and insoluble material in a proportion selected so that the anode efficiency equals the cathode efficiency. This avoids metal salt build-up in the bath. Metal salt solution carried out of the bath with the workpiece is recovered and recycled to the bath, avoiding loss of metal to the system and waste disposal problems.

REFERENCES:
patent: 4328076 (1982-05-01), Fisher
patent: 4514266 (1985-04-01), Cole
patent: 4609443 (1986-09-01), Nogueira
Crouch, P.C., Hendrickson, M.V.-"Effect of Brightener Systems on the Cathode and Anode Efficiencies of Nickel Plating Solutions", May 1983.
Toivanen-"Nickel Refining in Finland", The Canadian Mining and Metallurgical Bulletin, Jun. 1964.
Boldt, J. R., Queneau, P. E.-"The Wining of Nickel", 1967.
"Modern Electroplating"-Edited by F. A. Lowenheim, pp. 41-43, 1974.

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