The electric arc furnace dust in Jiangsu Sugang Group contains Zn content of 15.4% and is mainly embedded in zinc ferrite.
江苏苏钢集团电弧炉炼钢烟尘含锌15.4%，并主要分布在铁酸锌中。
When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing.
从含高铜、铅、锌贵液中直接用锌粉置换回收金，效果差。
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