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With the rapid advancement of electronic information technology and accelerated replacement of electronic products, the generation of waste electrical and electronic equipment (WEEE) has continued to increase, becoming a major environmental and resource challenge worldwide. Efficient copper recovery from waste printed circuit boards (WPCBs), a representative component of WEEE with high metal content, is particularly essential. This study focused on resource recovery of copper from WPCBs and systematically reviewed the main technological pathways currently applied, including physical-mechanical separation, thermal treatment, hydrometallurgical processing, and supercritical fluid extraction. Their performance was comparatively analyzed in terms of recovery efficiency, environmental impact, economic feasibility, and technical maturity. Results indicated that each technology exhibited distinct advantages in copper recovery, while several emerging technologies demonstrated strong potential to enhance recovery efficiency, reduce energy consumption, and mitigate secondary pollution. Based on these findings, the study proposed strategies to advance the high-value recycling of WPCBs, such as implementing multi-dimensional technology assessments, strengthening policy and financial support, establishing regional demonstration projects, developing localized green processes, and optimizing the recycling infrastructure. The novelty of this work lay in comparative analysis of multiple treatment technologies, comprehensive evaluation of their applicability to copper recovery, and formulation of systematic, context-specific countermeasures for China's WPCB recycling sector. These findings provided theoretical insights and technical guidance for promoting the sustainable and high-value utilization of WPCBs.

, authors=Mengchen XIAO^{1, 2}, Xiaoguang ZHANG^{1, 2}, authorsList=Mengchen XIAO, Xiaoguang ZHANG, authorCompany=null, correspAuthors=Xiaoguang ZHANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1304141635957314099, articleId=1304141635412054577, tenantId=1146029695717560320, journalId=1303687303576780880, language=CN, title=废电路板中铜的资源化利用研究, columnId=1304141580248568793, journalTitle=铜业工程, columnName=提取冶金与化学工程, runingTitle=null, highlight=null, articleAbstract=

随着电子信息技术的快速发展与电子产品更新换代的加速，废弃电子电气设备（waste electrical and electronic equipment，WEEE）产生量不断增长，已成为全球关注的重要环境与资源问题。废弃印刷电路板（waste printed circuit boards，WPCBs）是WEEE中金属含量较高的典型组成部分，其中铜资源的高效回收具有重要意义。本文以WPCBs中铜的资源化利用为研究对象，系统梳理了当前主要回收技术路径，包括物理机械处理、热处理、湿法处理及超临界流体处理等方法，并从资源回收率、环境影响、经济效益和技术可行性等方面对其应用效果进行了比较分析。结果表明，各类技术在铜回收方面各具优势，部分新兴技术在提升回收效率、降低能耗及减少二次污染方面表现出良好前景。在此基础上，本文提出了提升WPCBs资源化水平的策略建议，包括开展多维度技术评估、加大政策支持与资金投入、推进示范工程建设、发展本土化绿色处理工艺以及健全回收体系等。本研究的创新点在于将多种处理技术进行横向对比，综合评估其在铜资源回收中的适应性，并结合中国国情提出了具有实践指导意义的系统性对策，为WPCBs的高值化利用提供了理论依据与技术支持。

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^2.北京工业大学材料循环低碳再生全国重点实验室，北京 100124, bio={"content":"

肖梦晨（2001—），男，山东德州人，硕士，研究方向：战略金属提取分离与资源化利用，E-mail：xiaomengchen163@163.com

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肖梦晨（2001—），男，山东德州人，硕士，研究方向：战略金属提取分离与资源化利用，E-mail：xiaomengchen163@163.com

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