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Zinc recovery from steel plant dusts and other zinciferous materials
Zinc recovery from steel plant dusts and other zinciferous materials
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机译:从钢铁厂粉尘和其他含锌材料中回收锌
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摘要
A process is provided for recovering zinc from zinc residues containing iron, and lead. The residue is leached with hydrochloric acid to provide a pregnant liquor containing zinc, iron, and lead. The iron is selectively removed from the pregnant liquor and the zinc extracted from the liquor by an organic solvent extraction system. The zinc is subsequently stripped from the organic solvent using water or hydrochloric acid to provide a zinc chloride solution which is then fed to an electrowinning cell for the production of marketable electrolytic zinc.
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