Journal
JOURNAL OF ENVIRONMENTAL MANAGEMENT
Volume 92, Issue 3, Pages 392-399Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2010.10.057
Keywords
Printed circuit board assembly; Electronic waste; Electronic components; Dismantling; Recycling
Categories
Funding
- National Natural Science Foundation of China [20777043/B070204]
- Ministry of Education of China [20070003135]
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The dismantling of printed circuit board assemblies (PCBAs) and the recovery of their useful materials can lead to serious environmental impacts mainly due to their complicated physical structure and the variety of toxic elements contained in their material composition. So far, less attention has been paid to their responsible recycling compared to that of bare printed circuit boards. Combined with other materials recovery process, proper dismantling of PCBAs is beneficial to conserve scarce resources, reuse the components, and eliminate or safely dispose of hazardous materials. In analyzing the generation, resources potential and hazardous risk of scrap PCBAs, technologies used for the dismantling of waste PCBAs have been widely investigated and reviewed from the aspects of both industrial application and laboratory-scale studies. In addition, the feasibility of PCBA dismantling has been discussed, the determinants of which, including the heating conditions and mechanical properties have been identified. Moreover, this paper evaluates the environmental consequences caused by the dismantling of PCBAs. (C) 2010 Elsevier Ltd. All rights reserved.
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