The researches and advances in the hydrometallurgical treatment of chalcopyrite at home and abroad are reviewed. Based on the thermodynamic analysis and explorative experiments, a novel process of weak acid leaching chalcopyrite with ammonium persulfate in the presence of silver ions or silver sulphide as the catalyst is put forward. This process is in possession of independent knowledge property right. The novel process realizes green leaching chalcopyrite concentrate. It is also an environmentally friendl...
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