The spent auto-catalysts containing platinum-group metals(PGMs) is one of the important and valuable secondary resources.
废汽车催化剂已成为铂族金属重要的二次资源。
2
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。
3
There are various trace metals in Municipal Solid Wastes(MSW). Secondary pollution of heavy metals in the process of MSW landfill is the most difficult problem to be solved.