With the development of technologies and the change of consumer attitudes, the amount of waste electrical and electronic equipment (WEEE) is increasing annually. As the core part of WEEE, the waste printed circuit board (WPCB) is a dangerous waste but at the same time a rich resource for various kinds of materials. In this work, various WPCB treatment methods as well as WPCB recycling techniques divided into direct treatment (landfill and incineration), primitive recycling technology (pyrometallurgy, hydrometallurgy, biometallurgy and primitive full recovery of NMF-non metallic fraction), and advanced recycling technology (mechanical separation, direct use and modification of NMF) are reviewed and analyzed based on their advantages and disadvantages. Also, the evaluation criteria are discussed including economic, environmental, and gate-to-market ability. This review indicates the future research direction of WPCB recycling should focus on a combination of several techniques or in series recycling to maximize the benefits of process.

随着技术的发展和消费者态度的变化，废弃电子电气设备（WEEE）的数量逐年增加。作为WEEE的核心部分，废印刷电路板（WPCB）是危险废料，但同时也是用于各种材料的丰富资源。在这项工作中，各种WPCB处理方法以及WPCB回收技术分为直接处理（垃圾填埋和焚化），原始回收技术（火法冶金，湿法冶金，生物​​冶金和NMF-非金属部分的原始完全回收）以及先进的回收技术（机械分离，NMF的直接使用和修改）基于其优缺点进行了审查和分析。此外，还讨论了评估标准，包括经济，环境，以及进入市场的能力。该评论表明，WPCB回收的未来研究方向应集中在几种技术的组合或串联回收上，以最大程度地提高工艺的收益。