废线路板回收利用工艺及其污染防治探讨

Discussion on Recycling and Utilization Technologies of Waste Printed Circuit Boards and its Pollution Prevention and Control

简单概述了废线路板主要来源及其主要组成,详细介绍了物理法、焚烧法、火法冶金法、热解法4种废线路板回收利用工艺及其污染防治措施,重点论述了无氧热解工艺在金属回收率、节能减排、保护环境等优势,认为无氧热解工艺在废线路板资源化回收方面具有很好的发展前景。

This paper briefs the main sources and composition of waste printed circuit boards, details 4 recycling and utilization technologies of waste printed circuit boards, that is, physical method, burning method, pyrometallurgy method and pyrolysis method, as well as its pollution prevention and control measures, focuses on obvious advantages of anaerobic pyrolysis technology in metal recovery rate, energy conservation and emissions reduction, environmental protection, etc. and concludes that the anaerobic pyrolysis technology is of good development prospects in resource recycling of waste printed circuit boards.