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The adsorption behavior of metals in aqueous solution by microplastics effected by UV radiation

Wang, Qiongjie, Zhang, Yong, Wangjin, Xiaoxue, Wang, Yulai, Meng, Guanhua, Chen, Yihua·2020·Journal of Environmental Sciences

Abstract

Microplastics are considered as the carrier to heavy metals in the environment. But the sorption ability of microplastics influenced by photo-aging is remaining unclear. In the present study, the sorption of two kinds of metal ions (Cu2+ and Zn2+) in the aqueous solution by both the virgin and aged microplastics was investigated. Polyethylene terephthalate (PET) debris, one of the typical kinds of microplastics was chosen in this study. Photo-aging of microplastics in environment was simulated using UV radiation in the laboratory. Date analysis indicated that the aged microplastics had higher adsorption capacity of heavy metals than original ones. This could be related to the increased surface area and oxygen containing function appeared in the surface of aged microplastics after UV radiation. When prolonging the time of radiation, the enhanced adsorption capacities of microplastics appeared for Cu2+ and Zn2+. These results showed a great interaction between the aging degree of plastics and sorption capacity to heavy metals. Meanwhile, external conditions including temperature and pH value were also showed great influence to the adsorption behavior.

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Metadata

Authors
Wang, Q., Zhang, Y., Wangjin, X., Wang, Y., Meng, G., & Chen, Y.
Venue
Journal of Environmental Sciences
Publisher
Elsevier BV
Published
2020-01
Volume
87
Pages
272-280
ISSN
1001-0742 (ISSN-L)
OpenAlex
W2963058959
Cited by
498
References
6
FWCI
12.85
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The adsorption behavior of metals in aqueous solution by microplastics effected by UV radiation. https://app.cochat.ai/papers/10.1016/j.jes.2019.07.006
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Wang, Q., Zhang, Y., Wangjin, X., Wang, Y., Meng, G., & Chen, Y. (2020). The adsorption behavior of metals in aqueous solution by microplastics effected by UV radiation. Journal of Environmental Sciences. https://doi.org/10.1016/j.jes.2019.07.006

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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