The modified meerschaum was first used to recover gallium from acid lixivium of zinc residues and the experimental results were satisfactory.

采用改性海泡石从锌渣酸浸液中提取、回收稀散金属镓，取得了良好的试验结果。

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Sphalerite was oxidized and leached by manganese ore in acidic condition (sulfuric acid system), lixivium of which was used to extract indium and separate iron.

利用软锰矿在酸性(硫酸体系)条件下氧化浸出闪锌矿，对其浸出液进行萃取铟分离铁。

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