废印刷线路板中稀贵金属的回收现状  

Recycling of Rare and Noble Metals from Waste Printed Circuit Boards

作　　者：杨玉芬[1,2] 盖国胜[1] 徐盛明[3] 陈清如[4] 

机构地区：[1]清华大学材料系粉体工程研究室 [2].中国矿业大学(北京校区)化学与环境工程学院,北京100083 [3]清华大学核能技术设计研究院 [4]中国矿业大学(北京校区)化学与环境工程学院

出　　处：《稀有金属》2004年第4期716-720,共5页Chinese Journal of Rare Metals

基　　金：国家自然基金资助项目 ( 5 0 2 740 45 )

摘　　要：由于稀贵金属特殊的物理和化学性能 ,已成为电子元器件中不可缺少的成分。然而随着电子工业的发展 ,大量寿命已到的印刷线路板已开始报废。印刷线路板材料构成复杂 ,若不及时有效的分离处理 ,不仅造成严重的环境污染 ,还导致大量宝贵资源的浪费。发达国家采用物理的或化学的方法对稀贵金属进行回收 ,积累了一些经验 ,而我国还几乎是空白。实践证明 ,先用物理方法进行稀贵金属的富集 。Precious metals such as Au, Ag, Pt, Pd and Ru, due to their specific physical and chemical properties, are essential constituents of electronic components. However, with the development of electronic industry, the multitude of end of life electric and electronic products, which are composed of many kinds of materials and metals, lead to severe environmental pollution and precious resources waste because of not being effectively and timely disposed. Some developed countries use physical or chemical method to recycle rare noble metals and achieve good effects. Compared with developed countries, our country still has a long way to go. Practically, first utilizing mechanical method to enrich rare noble metals from PCB, and then to purify the concentrate by refining should be the developing direction in the future.

关 键 词：三废处理与综合利用 废线路板 稀贵金属 资源回收 

分 类 号：O614.12[理学—无机化学]