B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
6/4, 149/8, 204/
B08B 3/04 (2006.01) C23G 5/02 (2006.01) C25D 21/08 (2006.01)
Patent
CA 1090238
ABSTRACT OF THE DISCLOSURE The present invention provides a process for galvanic or electrolytic chemical treatment of articles in a bath comprising an aqueous surface treatment agent including metals or metal alloys, said process comprising placing the articles to be treated in said bath to form a deposit thereon of said metals or metal alloys, removing the articles from the bath and applying to the articles by spraying, squirting or pouring a liquid, water immis- cible solvent having a density substantially different from that of water whereby residues of said treatment agent adhering to the surface of the articles from the preceding step are detached, said solvent additionally comprising a wetting agent, said applying step being carried out in a rinsing chamber, in a lower portion of which the solvent and residual aqueous treatment agent dis- charged from said article are collected, permitting the solvent and treatment agent to separate in the rinsing chamber by forming two phases; and withdrawing the phase containing the treatment agent and passing the agent back into said bath while separately recovering the solvent phase and recycling the solvent for further treatment of said articles.
284532
Heymann Kurt
Meyer Walter
Rolff Rolf
Marks & Clerk
Schering Aktiengesellschaft
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