通过动电位分析、润湿接触角测试、吸附量测试并结合浮选实验,考察滑石和辉钼矿单矿物的浮选行为,以葡聚糖为抑制剂,研究硫化矿体系中辉钼矿和滑石的浮选分离.结果表明:在无捕收剂情况下,辉钼矿和滑石的天然疏水性强,可浮性相似,难以实现浮选分离.加入的葡聚糖在辉钼矿和滑石矿物表面形成选择性吸附,使两者具有不同的浮选行为.当溶液pH为8.5、葡聚糖用量400 mg/L时,辉钼矿可以得到有效抑制,回收率仅为14.37％,而滑石受到的抑制作用较弱,其回收率为83.22％,两者的浮游差为68.85％,这使得滑石和辉钼矿的浮选分离成为可能.
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