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目前,国内外广泛采用的焙烧——浸出——净化——电积的湿法炼锌方法,虽经几十年来不断的改进,取得了很大进展,但它的基本工艺并没有引起实质性的变化,仍然存在着:①焙烧时很难避免在通常工业浸
At present, the roasting-leaching-purification-electrowinning wet zinc method, widely used at home and abroad, has made great progress despite continuous improvement over the past decades, but its basic technology has not caused any substantial The changes still exist: ① roasting hard to avoid in the usual industrial immersion