Apparatus for electrochemical removal of heavy metals such as ch

Details Apparatus for electrochemical removal of heavy metals such as ch Apparatus for electrochemical removal of heavy metals such as ch

1979-08-20

1981-09-29

Williams, Howard S.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204 89, 204253, 204257, 204260, 204269, 204275, 204284, 204294, C25B 100, C25B 1112, C25B 1508

Patent

active

042921600

ABSTRACT:
A stream containing chromium and other heavy metals is fed through an electrolytic cell having a flow-through anode of lead shot and a flow-through cathode. The stream passes through the lead shot, resulting in the formation of lead chromate at the anode that falls to a trap in the bottom of the cell. Heavy metals such as copper are plated out on the material forming the flow-through cathode.

REFERENCES:
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patent: 3457152 (1969-07-01), Maloney, Jr. et al.
patent: 3493328 (1970-02-01), Nieuwenhuis
patent: 3679557 (1972-07-01), Gilby et al.
patent: 3766034 (1973-10-01), Veltman
patent: 3791520 (1974-02-01), Nieuwenhuis
patent: 3899405 (1975-08-01), Iverson et al.
patent: 4072596 (1978-02-01), Moeglich
patent: 4118305 (1978-10-01), Oloman et al.
patent: 4172780 (1979-10-01), Kammel et al.

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