Some introductions are conducted on the production techniques, technical characteristics, flows and quality of products in the copper recovery from the waste etching solution.
介绍了利用含铜蚀刻废液回收铜的生产工艺、技术特点、工艺流程和产品质量。
The second part of this thesis is the recovery and utilization of the waste salt solution of cyclohexanone manufacture.
文章的第二部分为环己烷氧化废碱液的回收利用。
In this experiment, the compound flocculant to deal with the tanning waste water was used. The recovery solution can be used in tanning.
采用复合絮凝剂对铬鞣废水处理后，回收液可直接用于鞣革。
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