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本专利采用下述方法回收黑钨矿和(或)锡石:(1)磨矿并分出-80目物料;(2)用浮选方法浮出硫化物;(3)脱泥以排除-8微米物料;(4)在2～3磅/吨的HF,H_2SiF_6或乳酸存在下,用充气或机械搅拌方法调整矿浆;(5)用0.2-2.5磅/吨的脂肪酸或有机H_3PO_4捕收剂,用甲苯砷酸、氧肟酸、环
This patent uses the following method to recover wolframite and / or cassiterite: (1) grind and separate -80 mesh material; (2) float sulfide by flotation; (3) desliming to exclude - 8 micron material; (4) adjusting the slurry with aeration or mechanical stirring in the presence of 2 to 3 pounds per ton of HF, H 2 SiF 6 or lactic acid; (5) treating the slurry with 0.2-2.5 pounds per ton of fatty acid or organic H 3 PO 4 collector , With toluene arsenic acid, hydroxamic acid, ring