该工艺不仅可有效回收剧毒物质氰化物，同时也可选择性回收其中的有价金属铜等，提高资源综合利用率及经济效益。
This process not only recovered the toxic cyanide and the valuable metallic elements in the wastewater effectively, but also improved the ratio of resource comprehensive utilization.
本文论述了氰化废水的来源、性质及净化方法。介绍了如何根据氰化废水的性质正确选择净化方法。
These were discussed where cyanide bearing effluent originates from, what its properties are, how it is purified that and the correct and suitable purification methods were introduced.
由试验选择的两种助浸剂可以显著改善氰化浸出环境，提高金浸出效果。
There are two types of leaching agent selected from experiments that can improve leaching environment and gold leaching result.
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