Recovery and reuse of nickel electroplating baths carried away b

Details Recovery and reuse of nickel electroplating baths carried away b Recovery and reuse of nickel electroplating baths carried away b

1978-12-20

1980-04-08

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 35R, 204 49, 204238, 204239, 204DIG13, C25D 514, C25D 2118, C25D 2120

Patent

active

041971671

ABSTRACT:
A method and apparatus for treating aqueous rinse mixtures containing organic brightener additives having sulfur therein of nickel electroplating processes by adding acid to the rinse mixture, passing the rinse and acid mixture through a carbon filter to remove the brighteners and decrease the sulfur content of the mixture, and adding the filtered mixture to and reusing it in the semi-bright and bright nickel baths of the nickel electroplating process.

REFERENCES:
John L. Eisenmann, Plating and Surface Finishing, pp. 34-38, Nov. 1977.

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