Electrolytic process for treating ilmenite leach solution

Details Electrolytic process for treating ilmenite leach solution Electrolytic process for treating ilmenite leach solution

1979-07-05

1980-10-28

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204112, 204130, C25B 100, C25B 106

Patent

active

042305420

ABSTRACT:
A method of reducing ferric ions in a sulfuric acid ilmenite leach solution to ferrous ions comprising circulating a sulfuric acid ilmenite leach catholyte solution through the cathodic compartment of an electrolysis cell separated by a fluid-impervious anion exchange membrane from the anodic compartment, circulating a ferrous sulfate anolyte solution through the anodic compartment of the electrolysis cell and impressing an electrolysis current across the cell to reduce the ferric ions in the catholyte to ferrous ions and to oxidize a portion of the ferrous ions to ferric ions in the anolyte to prevent oxygen evolution in the anodic compartment and to an off-peak method of electrolysis operation to reduce energy consumption and to reduce or eliminate ferrous sulfate by-product.

REFERENCES:
patent: 2810686 (1957-10-01), Bodamer et al.

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