Pollution control in electroplating systems

Details Pollution control in electroplating systems Pollution control in electroplating systems

1975-08-04

1976-10-12

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204237, 204275, 204278, C25D 300, C25D 2104

Patent

active

039856283

ABSTRACT:
Air above an electroplating bath is scrubbed with the plating rinse water to effect the transfer of chemical values from the air to the rinse water and to effect transfer of water to the air. The chemically enriched rinse water is added to the plating bath. In the system the waste heat generated in the plating bath is the only heat used in water removal, substantially no water is circulated from the plating bath, water added to the rinse is restricted by using a relatively high pressure-low volume spray rinse, and substantially no auxiliary air is used in addition to that required to sweep over the plating baths.

REFERENCES:
patent: 3485743 (1969-12-01), Mayland et al.
patent: 3640331 (1972-02-01), Yagishita
patent: 3661732 (1972-05-01), Withrow
patent: 3761381 (1973-09-01), Yagishita

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