文章介绍了回收铬鞣液中铬的几种方法，并对这几种方法的优缺点及其经济效益进行了分析比较。
This paper introduces some methods for recovering chromium from chrome tanning waste water, compares the merits and demerits of these methods, and analyses their economic benefit.
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。
In this experiment, the compound flocculant to deal with the tanning waste water was used. The recovery solution can be used in tanning.
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