Process for the elimination of undesirable by- products from...

Details Process for the elimination of undesirable by- products from... Process for the elimination of undesirable by- products from...

C - Chemistry, Metallurgy

23

C

6/4

C23C 18/16 (2006.01)

Patent

CA 1083304

ABSTRACT A process is described for the removal from copperplating baths of undesirable by-products which impair further copper- plating. This process involves continuously distilling off from at least part of the copperplating bath sufficient water so that the solubility limits of the undesirable by-products are exceeded. The by-products are precipitated and collected at the bottom of the tank thus permitting the separate removal of residual solution and precipitated by-products. This process is considerably more economical than previously known expensive regeneration processes.

271560

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