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专利申请范围黄渣经粉碎后加入到稀硫酸溶液中,在60～90℃,常压或微加压的氧气氛下或在微加压的富氧气氛下,随着铜、砷氧化溶解,而铅、银富集于渣中。溶液中的铜经电解回收后,往
Patent application scope After the yellow residue is added into the dilute sulfuric acid solution after grinding, at 60 ~ 90 ℃, atmospheric pressure or micro-pressure oxygen atmosphere or micro-pressurized oxygen-rich atmosphere, with the copper, arsenic oxidation and dissolution, Lead, silver enrichment in the slag. Copper in solution is recovered by electrolysis