Environmental benefit of recycling plastics from waste electrical & electronic equipment

被引：2

作者：

Sun, Luxuan ^{[1
]}

Dong, Huijuan ^{[1
,2
,3
]}

Dai, Yue ^{[2
]}

Dong, Jihao ^{[4
]}

Fujii, Minoru ^{[5
]}

Geng, Yong ^{[2
,3
,6
]}

Lou, Ziyang ^{[2
,3
]}

Liu, Xiao ^{[7
]}

机构：

[1] Shanghai Jiao Tong Univ, China UK Low Carbon Coll, Shanghai 201306, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Environm Sci & Engn, Shanghai 200240, Peoples R China

[3] Shanghai Jiao Tong Univ, Shanghai Engn Res Ctr Solid Waste Treatment & Reso, Shanghai 200240, Peoples R China

[4] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Shanghai 200240, Peoples R China

[5] Natl Inst Environm Studies NIES, Ctr Social & Environm Syst Res, Tsukuba 3058506, Japan

[6] Shanghai Jiao Tong Univ, Sch Int & Publ Affairs, Shanghai 200030, Peoples R China

[7] Shanghai Jiao Tong Univ, China Inst Urban Governance, Shanghai 200030, Peoples R China

来源：

RESOURCES CONSERVATION AND RECYCLING | 2024年 / 211卷

基金：

中国国家自然科学基金;

关键词：

Waste electrical and electronic equipment (WEEE); Circular economy; Life cycle assessment; Recycling technology; Recycled plastics; WEEE PLASTICS; MANAGEMENT; SUSTAINABILITY; SYSTEM;

D O I：

10.1016/j.resconrec.2024.107855

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Plastic recycling from waste electrical and electronic equipment (WEEE) can effectively deal with both the resource crisis and environmental pollution. However, the life cycle environmental impacts of recycling plastics derived from WEEE are still unclear. Therefore, this study adopts life cycle assessment and machine learning methods to estimate the environmental impacts and mitigation potentials of WEEE plastics recycling. We find the environmental degradation of WEEE waste plastics recycling are mainly from electricity consumption and transportation during the disassembly and granulation stages. Significant variation in the reduction effect of WEEE plastics recycling technologies is observed, ranging from 13 % to 77 %. The WEEE generation is projected to exhibit an S-shaped trend from 103 tonnes in 1980 to 15.42 million tonnes (Mt) in 2050, contributing to 10.33 Mt of carbon reduction. Improving the efficiency of WEEE plastics recycling technologies and enhancing legal recycling of waste air conditioner can efficiently reduce environmental emissions.

引用

页数：10

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