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Dynamic flow and pollution of antimony from polyethylene terephthalate (PET) fibers in China
Chu, Jianwen; Hu, Xingyun; Kong, Linghao; Wang, Ningning; Zhang, Suhuan; He, Mengchang; Ouyang, Wei; Liu, Xitao; Lin, Chunye
2021-06-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume771Pages:-
AbstractAntimony (Sb), a regulated contaminant, is added as a catalyst in the process of polyethylene terephthalate (PET) synthesis. Previously, Sb release from PET bottles and films was studied. However, Sb release from PET fibers (the most common form of PET) is limited. Therefore, a network model of material flow for PET fibers in China is developed, and the anthropogenic Sb flow and release entering into the hydrosphere, pedosphere, and atmosphere are studied based on microexperiments and macromodels. To compensate for the uncertainty caused by material flow analysis, Sb pollution in the surrounding areas (the drinking water of nearby residents and sediments of nearby river area) is further explored by combining field investigations and sample analysis. The results are as follows: 1) the manufacture stage of PET fibers is the main source of Sb release (2926 t), followed by the dyeing (2223 t) and weaving (908 t) stages; 2) Sb release (1108 t) from waste PET fibers subjected to landfill disposal is the highest. Sb release (872 t) from discarded fiber waste is second highest. Sb release from PET fibers subjected to mechanical recycling, incineration, and chemical recycling is 784, 284, and 25 t, respectively; and 3) an obvious source-sink relationship is found between anthropogenic Sb in the rivers and sediments and the intensity of the industries. This study suggests that Sb from PET fibers should be properly managed to prevent widespread dispersion in the hydrosphere, pedosphere, and atmosphere. (C) 2021 Elsevier B.V. All rights reserved.
Department环境水质学国家重点实验室
KeywordAntimony (Sb) release Sb pollution Material flow analysis (MFA) PET fibers China
WOS Research AreaEnvironmental Sciences
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45930
Collection环境水质学国家重点实验室
Affiliation1.Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China
Recommended Citation
GB/T 7714
Chu, Jianwen,Hu, Xingyun,Kong, Linghao,et al. Dynamic flow and pollution of antimony from polyethylene terephthalate (PET) fibers in China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,771:-.
APA Chu, Jianwen.,Hu, Xingyun.,Kong, Linghao.,Wang, Ningning.,Zhang, Suhuan.,...&Lin, Chunye.(2021).Dynamic flow and pollution of antimony from polyethylene terephthalate (PET) fibers in China.SCIENCE OF THE TOTAL ENVIRONMENT,771,-.
MLA Chu, Jianwen,et al."Dynamic flow and pollution of antimony from polyethylene terephthalate (PET) fibers in China".SCIENCE OF THE TOTAL ENVIRONMENT 771(2021):-.
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