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氧化锌精矿直接用硫酸浸出,浸出液经水解除铁,二次锌粉净化除镉,镍,最后除锰,转化后可以制成活性氧化锌。
Zinc oxide concentrate leaching directly with sulfuric acid, leaching solution by iron removal, secondary zinc powder addition to cadmium and nickel, the final removal of manganese, can be made into active zinc oxide after conversion.