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采用新型组合抑制剂LD＋MD以及高效选择性改性组合捕收剂AH＋YH，处理金川二矿区高含铁低品位镍铜矿，经一段磨矿75％－0．08mm，一粗二精二扫工艺流程，取得浮选精矿品位Ni7．60％、MgO6．40％，回收率Ni77．25％的闭路试验结果。技术指标达到国内先进水平。
A new combined inhibitor LD + MD and a highly efficient and selective combination collector AH + YH were used to treat high-iron low-grade nickel-copper deposits in Jinchuan No. 2 Mine. After a period of grinding of 75% -0.08mm, , Get flotation concentrate grade Ni7.60%, MgO6.40%, the recovery rate of Ni77.25% closed circuit test results. Technical indicators have reached the advanced domestic level.