Method for recovering variable-valency elements and purifying se

Details Method for recovering variable-valency elements and purifying se Method for recovering variable-valency elements and purifying se

1977-01-10

1978-09-26

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204130, 204149, 204197, C02C 512

Patent

active

041167830

ABSTRACT:
A method for stripping pollutant metals from sewage waters from ore-treatment installations is disclosed, which comprises the step of using, in a short-circuited electrode system through which the waters to be purified are flowed, a compound of an element which is other than the cathode metal and is more electro-positive than the anode element. Striking results are obtained by treating vanadium-containing sewage waters from gallium-ore treatment plants with silver sulfate in a copper-iron electrode system. The method can be employed to recover other transition metals from liquors which contain them.

REFERENCES:
patent: 952842 (1910-03-01), Roche et al.
patent: 3026259 (1962-03-01), Phillips
patent: 3392102 (1968-07-01), Koch
patent: 3394064 (1968-07-01), Fonkes et al.
patent: 3766036 (1973-10-01), McKaveney

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