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通过提高磨矿效率、矿浆充气和选择浮选药剂,改善了难选铅-锌矿石以及细粒浸染含碳质脉石、黄铁矿占60～90％的多金属矿石的富集。试验研究了浮选过程中单独
Improved refractory lead-zinc ores and fine-grained carbonaceous gangue by improving grinding efficiency, aeration of the pulp and selection of flotation reagents, and enrichment of 60-90% of polymetallic ores with pyrite. The experiment studied the flotation process alone