The extraction of nickel from nickeliferous laterites has attracted considerable attention of nickel industry during the......

通过硫酸化预处理,可使方铅矿表面形成一层PbSO_4覆盖膜,而砷矿物不受影响,从而在反浮选中,方铅矿受到抑制。对秦岭地区一大银铅矿......