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To improve the copper flotation indices of a large copper-molybdenum mine, experimental studies on reagent regime and beneficiation process were carried out, and the influences of collector type and dosage, scrubbing and desliming parameters on flotation indices were investigated. The results of a closed-circuit test of copper flotation show that a copper concentrate with Cu grade of 23.22% can be obtained at 89.10% recovery under the optimal reagent system and renewed process conditions.

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为提高某大型铜钼矿微细粒铜浮选指标，进行了铜浮选药剂和工艺试验研究，考察了捕收剂种类及用量、擦洗及脱泥新工艺对浮选指标的影响。结果表明，在适宜的药剂制度及新工艺条件下，铜浮选闭路试验可获得铜精矿品位23.22%、铜回收率89.10%的较好指标。

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程平轩（1964—），男，江西彭泽人，高级工程师，主要从事选矿技术研究、矿山生产管理和矿业研发管理工作。

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程平轩（1964—），男，江西彭泽人，高级工程师，主要从事选矿技术研究、矿山生产管理和矿业研发管理工作。

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