Alkaline leaching of Zn from zinc oxide ore from Lanping, Yunnan is investigated.
研究了云南兰坪氧化锌矿石的碱法浸出。
The new technology of production of Zn powder by alkaline leaching and electrowinning is described.
介绍碱浸-电解湿法直接生产金属锌粉的新工艺。
While in the optimum conditions of alkaline leaching, it is possible to extract 96% of silicon dioxide.
在最佳碱浸工艺条件下，二氧化硅浸出率达到96%以上。
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