Process for the removal of bismuth and antimony from aqueous sulfuric acid solution containing bismuth and/or antimony
AssigneeNippon Mining Co., Ltd.
InventorsTakashi Ogata, Hiroshi Hosaka, Shunichi Kasai
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Abstract
Disclosed herein is a process for the selective removal of bismuth and/or antimony from an aqueous sulfuric acid solution containing dissolved bismuth and/or antimony mixed with other metals, such as an electrolyte formed in the electrolytic purification of metals, by which process bismuth and/or antimony are selectively removed from the above sulfuric acid solution by bringing said solution into contact with a phosphomethylamino chelate resin.
Claims3
A process for the selective removal of bismuth and/or antimony from an aqueous sulfuric acid solution containing dissolved bismuth and/or antimony mixed with other metals comprising bringing said sulfuric acid solution into contact with a phosphomethylamino chelate resin.
Dependencies are inferred from the claim text.