• A method is proposed to determine free native silver and free silver sulphide in lead-zinc concentrate.

    拟定了分离测定铅锌精矿游离硫化游离自然银的方法

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  • Typically, a zinc concentrate contains about 55% of zinc with some copper, lead and iron.

    一般而言精矿含有大约55%锌一些

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  • Experimental results showed that applying selective flotation process and optimum reagent condition can efficiently separate the lead-zinc minerals and obtain lead concentrate of 63.

    试验结果表明采用铅优先浮选工艺合理药剂条件可以有效地实现铅锌分离,获得精矿品位63。

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  • The pressure acid leaching process of bulk concentrate of zinc and lead is investigated.

    研究混合精矿加压浸出过程

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  • The roasting dust which produced from zinc concentrate roasting process, main contains zinc oxide, zinc ferrite, zinc sulfide, cadmium sulfide, lead sulfate etc.

    该种焙烧烟尘的二次焙烧处理工艺存在着环境污染一系列无法彻底解决的问题。

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  • The roasting dust which produced from zinc concentrate roasting process, main contains zinc oxide, zinc ferrite, zinc sulfide, cadmium sulfide, lead sulfate etc.

    该种焙烧烟尘的二次焙烧处理工艺存在着环境污染一系列无法彻底解决的问题。

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