• An easy method for recovering silver from waste ceramic flaky capacitors, a kind of waste material from electronic industry, has been presented in the article.

    介绍电子元件行业废料——瓷片电容回收贵金属简易方法

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  • The industry waste slag fly ash or the river sand is used as the siliceous material.

    工业废渣粉煤灰河砂一般用来作为材料

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  • Ferrous sulphate is a wide used product of chemical industry, which was produced with waste iron as raw material in the past so that its cost was higher.

    硫酸亚铁一种用途广泛化工产品,过去系采用废铁作原料进行生产,但成本较高。

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  • Ferrous sulphate is a wide used product of chemical industry, which was produced with waste iron as raw material in the past so that its cost was higher.

    硫酸亚铁一种用途广泛化工产品,过去系采用废铁作原料进行生产,但成本较高。

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