Exploration and Research on Copper Removal in Acidic Antimony Containing Solution
When using the acidic wet antimony extraction process to treat complex and refractory antimony gold concentrate with high arsenic and high sulfur,a small amount of copper in the antimony gold concentrate will be leached and enriched in the solution.Excessive copper content in the solution can affect the grade of antimony products.Therefore,it is necessary to remove copper ions from antimony containing solutions.In this paper,the copper removal effects in acidic antimony containing solutions by using sulfides and antimony powder is investigated.The results show that antimony sulfide,sodium sulfide and antimony powder can remove copper ions from acidic antimony containing solution,which can meet the production requirements and provide a good solution for copper removal in industrial production.
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