Unexpectedly high levels and health risks of atmospheric polychlorinated biphenyls in modern mechanical dismantling of obsolete electrical equipment: Investigations in a large integrated e-waste dismantling industrial estate
文献类型：期刊论文
| 作者 | Li, Jingnan3; Jiang, Haoyu2; Qin, Juanjuan1,3; Qin, Yuanyuan3; Zhou, Xueming3; Shi, Shaoxuan3; Shu, Zhao3; Gao, Yuwei3; Tan, Jihua3 |
| 刊名 | ENVIRONMENT INTERNATIONAL
 |
| 出版日期 | 2023-12-01 |
| 卷号 | 182页码:10 |
| 关键词 | PCBs PBDEs E-waste dismantling Mechanical dismantling Obsolete equipment Health risk assessment |
| ISSN号 | 0160-4120 |
| DOI | 10.1016/j.envint.2023.108333 |
| 英文摘要 | Large industrial estates for electrical and electronic waste (e-waste) mechanical dismantling and recycling are gradually replacing outmoded small factories and intensive domestic workshops for e-waste manual and chemical dismantling. However, the air pollution and health risks of persistent organic pollutants during the modern mechanical processing of e-waste, especially obsolete electrical equipment, still remain unclear. Here, unexpectedly high levels (409.3 ng/m3) and health risks of airborne polychlorinated biphenyls (PCBs) were found during the mechanical processing of obsolete electric equipment or parts in a large integrated dismantling industrial estate, which is comparable to or a dozen times higher than those reported during chemical processing. In contrast, the levels (936.0 pg/m3) and health risks of particulate polybrominated diphenyl ethers (PBDEs) were all lower than those of previous studies. PCB emissions (44.9-3300.5 ng/m3) varied significantly across six mechanical dismantling places specifically treating waste motors, electrical appliances, hardware, transformers, and metals, respectively. The high PCB content and mass processing number of obsolete electrical equipment probably result in the highest PCB emissions from the mechanical dismantling of obsolete motors, followed by waste electrical appliances and metals. The PCB non-cancer and cancer risks associated with inhalation and dermal exposure in different mechanical dismantling places were all above the given potential risk limits. In particular, the health risks of dismantling obsolete motor exceeded the definite risk levels. Little difference in PCB emissions and health risks between working and non-working time suggested the importance of PCB volatilization from most e-waste. Such high PCB emissions and health risks of PCBs undoubtedly posed a severe threat to frontline workers, but fortunately, they decreased significantly with the increasing distance from the industrial estate. We highlight that PCB emissions and associated health risks from obsolete electrical equipment with high PCB content during mechanical dismantling activities should be of great concern. |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:001127525700001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/76027]  |
| 专题 | 中国科学院广州地球化学研究所 |
| 通讯作者 | Jiang, Haoyu; Qin, Juanjuan |
| 作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China 2.Sun Yat Sen Univ, Sch Marine Sci, Zhuhai 519082, Peoples R China 3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Jingnan,Jiang, Haoyu,Qin, Juanjuan,et al. Unexpectedly high levels and health risks of atmospheric polychlorinated biphenyls in modern mechanical dismantling of obsolete electrical equipment: Investigations in a large integrated e-waste dismantling industrial estate[J]. ENVIRONMENT INTERNATIONAL,2023,182:10. |
| APA | Li, Jingnan.,Jiang, Haoyu.,Qin, Juanjuan.,Qin, Yuanyuan.,Zhou, Xueming.,...&Tan, Jihua.(2023).Unexpectedly high levels and health risks of atmospheric polychlorinated biphenyls in modern mechanical dismantling of obsolete electrical equipment: Investigations in a large integrated e-waste dismantling industrial estate.ENVIRONMENT INTERNATIONAL,182,10. |
| MLA | Li, Jingnan,et al."Unexpectedly high levels and health risks of atmospheric polychlorinated biphenyls in modern mechanical dismantling of obsolete electrical equipment: Investigations in a large integrated e-waste dismantling industrial estate".ENVIRONMENT INTERNATIONAL 182(2023):10. |
入库方式： OAI收割
来源：广州地球化学研究所
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