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含３．９５％ＣｕＯ和２．５３％Ｃｕ２Ｓ的低品位铜矿，经低温焙烧后用稀硫酸浸取，浸出该用铁屑置换制得海绵铜（品位大于９０％），铜的总回收率大于９３％。
Low-grade copper ore containing 3.95% CuO and 2.53% Cu2S is leached by dilute sulfuric acid after roasting at low temperature, and the copper sponge copper (grade> 90%) is leached by copper scrap replacement. The total copper recovery Greater than 93%.