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实验结果表明，添加焦粉对降低渣含铜和Ｆｅ~(３＋)含量有显著效果，渣含铜可降到０.５０％，Ｆｅ~(３＋)含量可降到３％以下；添加焦粉可以降低渣中Ａｓ、Ｓｂ、Ｂｉ含量，但是冰铜中Ａｓ、Ｓｂ含量有所提高；添加焦粉使冰铜和炉渣中的Ｐｂ、Ｚｎ含量同时降低，而且冰铜中的Ｐｂ、Ｚｎ含量的降低幅度大于炉渣．
The experimental results show that the addition of coke powder has a significant effect on reducing the content of copper and Fe 3+ in the slag, the content of copper in the slag can be reduced to 0.50% and the content of Fe 3+ can be reduced to below 3% As, Sb and Bi content in the slag can be reduced, but the content of As and Sb in the matte is increased. Adding coke powder reduces both the contents of Pb and Zn in matte and slag, and the contents of Pb and Zn in matte Decrease greater than the slag.