Electrochemical insolubilization of anionic arsenic method and a

Details Electrochemical insolubilization of anionic arsenic method and a Electrochemical insolubilization of anionic arsenic method and a

1997-09-02

1999-01-12

Woo, Jay H.

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

210911, B01D 1700

Patent

active

058582495

ABSTRACT:
A continuous electrochemical processing method and apparatus for electrochemically removing arsenic contaminants from contaminated aqueous solutions comprising: a) identifying the ion(s) to be removed and their oxidation state, b) identifying the pH of the solution, c) constructing an electrolytic cell with a corroding iron anode and an inert cathode surrounding a reaction zone therebetween into which the contaminated solutions are passed, d) applying the required electromotive force to precipitate the desired ionic species, and e) physically removing the precipitates from the aqueous solution.

REFERENCES:
patent: 3989608 (1976-11-01), DeMonbrun et al.
patent: 4011151 (1977-03-01), Ito et al.
patent: 4692228 (1987-09-01), Twardowski

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