Recovery and reuse of nickel electroplating baths carried...

Details Recovery and reuse of nickel electroplating baths carried... Recovery and reuse of nickel electroplating baths carried...

C - Chemistry, Metallurgy

25

B

204/30

C25B 3/12 (2006.01) C25D 21/20 (2006.01)

Patent

CA 1139257

Abstract Of The Disclosure 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.

341718

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