Electrolysis: processes – compositions used therein – and methods – Electroforming or composition therefor – Powder – flakes – or colloidal particles
Patent
1992-07-22
1993-04-06
Walsh, Donald P.
Electrolysis: processes, compositions used therein, and methods
Electroforming or composition therefor
Powder, flakes, or colloidal particles
205 67, 204236, 204109, 204130, 204105R, 204114, 204106, 204241, C25C 502, C25C 500, B22F 900
Patent
active
052000540
ABSTRACT:
This invention relates to a method and apparatus for removing heavy metals from waste water, soils, or process streams by electrolytic cell means. The method includes cooling a cell cathode to form an ice layer over the cathode and then applying an electric current to deposit a layer of the heavy metal over the ice. The metal is then easily removed after melting the ice. In a second embodiment, the same ice-covered electrode can be employed to form powdered metals.
REFERENCES:
patent: 5015344 (1991-04-01), Nidola et al.
patent: 5017273 (1991-05-01), Woog
patent: 5114471 (1992-05-01), Johnson et al.
patent: 5114547 (1992-08-01), Ulman
Glenn David F.
Harris Taryl L.
Ingram Jani C.
Suciu Dan F.
Chi Anthony
Fisher Robert J.
Glenn Hugh W.
Moser William R.
The United States of America as represented by the United States
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