Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Neutralizing etching and plating chemicals
2004
To whom it may concern,
I am seeking information about:
·Methods for neutralizing etching / plating chemicals before sending these to the drain
·Means for measuring the (potassium) cyanide concentration in water
Thanking you in advance for the reply,
Daniel Dahan, Senior Tool Engineerelectronics mfgr - Denmark
The best method is going to depend on what plating chemistry and what etchant chemistry you are talking about. Waste treatment processes depend upon what is going to be treated. For example, treatment for cyanide plating baths is different from treatment from a hexavalent chromium bath which is different from an acid copper bath. Let us know what you are seeking to treat, and maybe we can suggest something.
James Totter, CEF
- Tallahassee, Florida
2004
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