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        解決方案
        Solution
        E-waste recycling
        電子垃圾回收
        首先采用退錫劑去掉廢棄線路板表面金和元器件,固體物料金和元器件晾干后,再將其粉碎到1mm以下。采用硝酸溶解渣中鈀銀,硝酸溶解鈀銀濾液先氯化沉銀,后趕硝去除部分硝酸,再采用黃藥沉鈀。得到的粗銀鈀需要進一步的提純。對硝酸分鈀銀后剩下渣采用氯化法溶解貴金屬,從溶液中采用鋅粉還原,再對粗金進行提純。
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