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PROCESS FOR THE EXTRACTION OF ZINC CADMIUM COPPER amp; IRON FROM ZINC PLANT RESIDUES
PROCESS FOR THE EXTRACTION OF ZINC CADMIUM COPPER amp; IRON FROM ZINC PLANT RESIDUES
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机译:从锌厂残渣中提取锌镉铁的方法
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摘要
A process for the extraction of zinc, cadmium, copper and, if necessary, iron from zinc plant residue or roasted zinc sulphide or calcine residue by a sulphuric acid leaching process which comprises treating the said residue or calcine in a solution containing lower amount of sulphuric acid than that known in the art and above the boiling temperature of the solution under oxidizing atmosphere above 2 kilogram/Centimeter Square oxygen partial pressure.
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