Polyethylene and polypropylene microplastics reduce chemisorption of cadmium in paddy soil and increase its bioaccessibility and bioavailability

Polyethylene and polypropylene microplastics reduce chemisorption of cadmium in paddy soil and increase its bioaccessibility and bioavailability

Microplastics (MPs) usually coexist with heavy metals (HMs) in soil. MPs can influence HMs mobility and bioavailability, but the underlying mechanisms remain largely unexplored. Here, polyethylene and polypropylene MPs were selected to investigate their effects and mechanisms of sorption-desorption,...

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Veröffentlicht in:Journal of hazardous materials 2023-05, Vol.449, p.130994-130994, Article 130994
Hauptverfasser: Guo, Jing-Jie, Li, Fen, Xiao, Hai-Chuan, Liu, Bai-Lin, Feng, Lin-Nan, Yu, Peng-Fei, Meng, Can, Zhao, Hai-Ming, Feng, Nai-Xian, Li, Yan-Wen, Cai, Quan-Ying, Xiang, Lei, Mo, Ce-Hui, Li, Qing X.
Format: Artikel
Sprache:eng
Schlagworte:
Adsorption
Bioaccessibility
Biological Availability
Cadmium - chemistry
Heavy metal
Metals, Heavy
Microplastic
Microplastics - chemistry
Plastics - chemistry
Polyethylene - chemistry
Polypropylenes
Soil
Soil Pollutants - analysis
Sorption-desorption
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Zusammenfassung:Microplastics (MPs) usually coexist with heavy metals (HMs) in soil. MPs can influence HMs mobility and bioavailability, but the underlying mechanisms remain largely unexplored. Here, polyethylene and polypropylene MPs were selected to investigate their effects and mechanisms of sorption-desorption, bioaccessibility and bioavailability of cadmium (Cd) in paddy soil. Batch experiments indicated that MPs significantly reduced the Cd sorption in soil (p 
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2023.130994