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topic 54379

Copper Solution was contaminated




February 16, 2010

Somebody know how I can to clean a copper solution contaminated with KOLLICOAT* MAE 30 DP (backtikem 21) and corrokem 607?

Marcos García
hard worker. - Toluca, Mexico


February 16, 2010

Hi, Marcos. What kind of copper solution? Is this the copper solution for an electroplating process?

Regards,

Ted Mooney, finishing.com
Teds signature
Ted Mooney, P.E.
finishing.com
Pine Beach, New Jersey
Striving to live "Aloha"


February 17, 2010

Hi, My name is Marcos García, and this is my first time that I work with this kind of solution. I work for a company where we electroplate cylinders for engraving, but now I have problems with the copper solution, it was contaminated with cold water system, the water contains Dialdehido glutarico and corrokem 607, how can I remove these substances from copper solution?
I tried to clean with activated carbon 3 times, each time 2 kg, two hours, for 1700 lts.
what advice you recommend?, what can I do?

Thank a lot for your help

Marcos Garcia
plating employee - Toluca, Mexico


March 5, 2010

Hola Marcos,

Surely I can tell you that you have to make a complete new make up of the copper solution. The cooling water does not only include the mentioned cooling water additives against algaes, also it includes a lot of anions and cations which will disturb your copper deposits to assure a good microcrystalline structure which is required for good engraving results.

Saludos desde Australia,
Dominik

Dominik Michalek
- Sydney



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