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1·The electrolyte used in the invention is a calcium chloride fused salt system, into which sodium chloride, lithium chloride or admixture of the sodium chloride and the lithium chloride can be admixed.

本发明使用的电解质为氯化钙熔盐体系，可 在其中掺入氯化钠、氯化锂或它们的混合物。

2·The method comprises steps that a fused salt electrolysis process is used for removing the sulfur in the copper sulfide core by using the copper sulfide ore as cathode and fused salt as electrolyte.

该方法包括：以铜硫矿为阴极、熔盐为电解质，采用熔盐电解法对铜硫矿进行脱硫的步骤。