Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Utilizing mist prevention
Patent
1991-08-29
1993-04-06
Valentine, Donald R.
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Utilizing mist prevention
204276, 204278, 204DIG13, 55 72, 55259, C25D 2104, C25D 2106, B01D 4500
Patent
active
052000559
ABSTRACT:
A chrome plating facility having a chrome recovery system into which chrome bearing mist, swept from a chrome plating solution surface, is directed. The system comprises a chrome removal system and a chrome reclamation system. The removal system comprises structure defining surfaces for collecting chrome from the vapor flowing through the station, a second chrome removal station downstream from the first removal station and comprising second structure defining surfaces for collecting chrome from fluid flowing through the second station. The reclamation system recovers chrome from the removal system and comprises a solvent reservoir, solvent recirculating means for directing reservoir solvent onto the second chrome removal station surfaces for removing chrome therefrom and returning the solvent and chrome to the reservoir. Periodically the reservoir solvent is directed onto the first chrome removal station surfaces for removing the chrome therefrom and the solvent and chrome from the first removal station is returned to the plating solution.
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Chromium Electroplaters Test Report published by the EPA, dated Feb. 1989.
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