Solvent extraction technique has been widely used in the recovery of platinum metals from secondary resources due to its strong extraction and separation ability.
溶剂萃取技术作为一种有效的提取分离方法在铂族金属二次资源的回收中得到广泛重视。
Comprehensive recovery of these metals not only can gain economic benefits for mines, but also reduce pollution of tailings to environment. The tailings are precious secondary resources.
综合回收这些金属，既可以为矿山创造经济效益，同时减少了尾矿对环境的污染，是宝贵的二次资源。
Since the nature resources in our country are limited, so the recovery from secondary resources becomes more and more important.
但我国铂族金属资源有限，因此，从二次资源中回收显得越来越重要。
Since the nature resources in our country are limited, so the recovery from secondary resources becomes more and more important.
但我国铂族金属资源有限，因此，从二次资源中回收显得越来越重要。
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