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	Rethinking of recycling and reuse options of obsolete personal computers in China
	Yang, Jianxin; Lu, Bin
	2008
会议名称	16th IEEE International Symposium on Electronics and the Environment
会议日期	MAY 19-21, 2008
会议地点	San Francisco, CA
关键词	recycling reuse obsolete computer China
英文摘要	The existing practice of treating obsolete PCs in China had led to some environmental pollution and lose some recoverable materials. There is a big challenge for China to deal with a vast quantity of obsolete PCs in a sustainable way, i.e. maximizing the recovery of the material value and minimizing the environmental load. Substance Flow Analysis (SFA) is used in this paper to trace the recycling pathway of used PCs. Total materials flow, some hazardous or toxic substances, as well as the recoverable materials are analyzed in the context of flow and stock. Two options of reuse and material recovery are compared in the context of environmental load and economic value. The results show that metals like iron/steel, copper, aluminum was recycled in a high rate. The PWB is most difficult part for recyclers due to the backward separating technology and its potential environmental pollution. Based on the material mass, the reused parts in HD driver, power supply, CD-Rom, and FD driver are accounting for 7.7%, 26.6%, 7.8%, and 4.5%, respectively. Reuse is a more reasonable EOL option for computers. The design for reuse, as well as the law and regulation for reusing components should be promoted.
ISBN号	1095-2020
内容类型	会议论文
源URL	[http://ir.rcees.ac.cn/handle/311016/24687]
专题	生态环境研究中心_城市与区域生态国家重点实验室
推荐引用方式 GB/T 7714	Yang, Jianxin,Lu, Bin. Rethinking of recycling and reuse options of obsolete personal computers in China[C]. 见:16th IEEE International Symposium on Electronics and the Environment. San Francisco, CA. MAY 19-21, 2008.

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