废印刷线路板的回收利用

随着电子工业的发展，印刷线路板的产量和废弃量与日俱增。印刷线路板中含有大量的铜、铝、铅、锡、铁等常见金属和一定量的金、银、钯等贵重金属，以及少量的金老、白金和稀有元素硒等，具有很高的回收价值。采用适当的回收方法，既可节省日益枯的矿产资源，又可减轻重金属等的污染，降低对环境的危害。

Study of the Value for Recycling Printed Circuit Board Scraps

Printed circuit board(PCB), the basis of electric and electronic industry, is increasing rapidly in recent years, subsequently, huge amounts of scrapped PCB is displayed in the presence of us. Printed Circuit Board is composed of many common metals, including copper,aluminum,lead,tin and iron, certain amount of noble metals, including gold,silver,palladium,rhodium and platinum, and the rare element, selenium. Proper recycling method could not only save the consumption of minerals, but also reduce the contamination of metals to environent.