介绍碱浸-电解湿法直接生产金属锌粉的新工艺。

The new technology of production of Zn powder by alkaline leaching and electrowinning is described.

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涂层中片状铝粉基本上是层层盈加，锌粉不均匀地夹杂在铝粉中，金属粉之间通过粘结剂粘结在一起。

In coat flake form aluminium powder basically is layer upon layer overlay, zinc powder did not distribute evenly in aluminium powder, glue knoted together between metal powder.

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所得少量浓缩液去掉铁等杂质之后，加过量氨使钴形成络合物，再用锌粉置换出金属钴粉。

Cobalt can be converted into complex ion by excess ammonia and then recovered as highly pure metal cobalt powder by replacing with zinc powder.

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