硫化镍精矿氯气浸出—净化—电积工艺作为镍提取冶金的新方向，其净化过程大多采用溶剂萃取方法。
As a new method of nickel extractive metallurgy, the process of chlorine leaching purification electrolysis for nickel sulphide concentrate usually USES solvent extraction as its purification.
金川硫化铜镍矿石现采用全硫化矿物混合浮选工艺，产出铜镍混合精矿。
All sulphide mineral flotation is adopted in Jinchuan to produce nickel-copper mixed concentrate.
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