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.
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。
Methods: To establish the quality control methods and optimize the extractive processes by orthogonal design L9 (34) and correct solvent.
方法：通过溶剂选择和正交设计L9（34），筛选合理的提取工艺，并制定质量控制方法。
The new process consists of extractive distillation section, degassing section, distillation section and solvent recovery section.
新工艺包括萃取蒸馏区、脱气区、蒸馏区和溶剂回收区。
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