It also describes the result of bismuth removal, and points out the technical measurement to reduce effect of bi on copper cathode quality and the necessity and method to set up bi removal step.

评述了提高脱铋效果，降低铋对阴极铜质量影响的技术措施；指出建立脱铋工序的必要性及途径。

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It also describes the result of bismuth removal, and points out the technical measurement to reduce effect of bi on copper cathode quality and the necessity and method to set up bi removal step.

评述了提高脱铋效果，降低铋对阴极铜质量影响的技术措施；指出建立脱铋工序的必要性及途径。

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