CPC C25C 1/06 (2013.01) [C22B 3/06 (2013.01); C22B 5/00 (2013.01); C25C 7/02 (2013.01); C25C 7/04 (2013.01)] | 30 Claims |
1. A method of processing and dissolving an iron-containing ore, the method comprising:
in a dissolution tank, dissolving at least a portion of the iron-containing ore using an acid to form an acidic iron-salt solution; and
electrochemically generating Fe2+ ions by electrochemically reducing Fe3+ ions from the acidic iron-salt solution to the electrochemically-generated Fe2+ ions;
wherein the acidic iron-salt solution comprises protons electrochemically generated in an electrochemical cell; and
wherein the acidic iron-salt solution is circulated between the dissolution tank and the electrochemical cell while dissolving.
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