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锌生产的原料主要是闪锌矿,由于铁与锌系类质同晶,尽管经过浮选分离,一般精矿含铁仍有10%左右,此种精矿经焙烧后由于难溶铁酸锌的形成影响到锌的有限提取(一般83—93%)。我厂焙砂浸出过程中锌及其它有价金
The main raw material for zinc production is sphalerite. Due to the isomorphism of iron and zinc series, the iron content in the concentrate is still about 10% despite the flotation separation. Since the concentrate is roasted, the insoluble zinc The formation of zinc affects the limited extraction (typically 83-93%). I plant baking process of leaching zinc and other valuable gold