银的沉淀经减压过滤、洗涤及高温还原而得到金属单质银。 银的回收率达97.5 1% ，回收银的纯度为98.5 % 。

After decompressional filtration, washery and high-temperature reduction can we get silver precipitation and the rate of recovery can reach to 97.51% and the pureness to 98.5%.

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银的沉淀经减压过滤、洗涤及高温还原而得到金属单质银。 银的回收率达97.5 1% ，回收银的纯度为98.5 % 。

After decompressional filtration, washery and high-temperature reduction can we get silver precipitation and the rate of recovery can reach to 97.51% and the pureness to 98.5%.

youdao