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Microplastics in landfill and leachate: Occurrence, environmental behavior and removal strategies

Chemosphere 2022 106 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 60 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Weiping Xiong Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Biao Song, Maocai Shen, Weiping Xiong Maocai Shen, Maocai Shen, Weiping Xiong Maocai Shen, Weiping Xiong Biao Song, Yaxin Zhang, Yaxin Zhang, Biao Song, Biao Song, Biao Song, Biao Song, Biao Song, Guangming Zeng, Eydhah Almatrafi, Yaxin Zhang, Yaxin Zhang, Yaxin Zhang, Guangming Zeng, Guangming Zeng, Guangming Zeng, Chengyun Zhou, Biao Song, Biao Song, Chengyun Zhou, Biao Song, Biao Song, Guangming Zeng, Biao Song, Biao Song, Biao Song, Maocai Shen, Maocai Shen, Maocai Shen, Weiping Xiong Weiping Xiong Biao Song, Guangming Zeng, Guangming Zeng, Maocai Shen, Weiping Xiong Maocai Shen, Biao Song, Biao Song, Guangming Zeng, Guangming Zeng, Biao Song, Guangming Zeng, Chengyun Zhou, Guangming Zeng, Guangming Zeng, Biao Song, Eydhah Almatrafi, Guangming Zeng, Biao Song, Guangming Zeng, Yaxin Zhang, Biao Song, Biao Song, Maocai Shen, Yaxin Zhang, Yaxin Zhang, Eydhah Almatrafi, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Maocai Shen, Weiping Xiong Weiping Xiong Maocai Shen, Biao Song, Chengyun Zhou, Chengyun Zhou, Chengyun Zhou, Guangming Zeng, Guangming Zeng, Guangming Zeng, Guangming Zeng, Guangming Zeng, Guangming Zeng, Yaxin Zhang, Guangming Zeng, Chengyun Zhou, Chengyun Zhou, Guangming Zeng, Maocai Shen, Guangming Zeng, Maocai Shen, Guangming Zeng, Yaxin Zhang, Yaxin Zhang, Yaxin Zhang, Yaxin Zhang, Biao Song, Maocai Shen, Maocai Shen, Guangming Zeng, Maocai Shen, Maocai Shen, Yaxin Zhang, Yaxin Zhang, Guangming Zeng, Yaxin Zhang, Guangming Zeng, Maocai Shen, Maocai Shen, Weiping Xiong Biao Song, Guangming Zeng, Guangming Zeng, Biao Song, Guangming Zeng, Weiping Xiong Yaxin Zhang, Chengyun Zhou, Weiping Xiong Biao Song, Weiping Xiong Chengyun Zhou, Guangming Zeng, Guangming Zeng, Guangming Zeng, Weiping Xiong

Summary

This review examines how microplastics form and accumulate in landfills and their leachate, which is the liquid that drains from waste sites. Researchers found that landfill leachate is an overlooked source of microplastic pollution that can carry toxic substances and antibiotic resistance genes into the surrounding environment. The study evaluates current removal strategies and calls for better treatment systems to prevent microplastic contamination from waste disposal sites.

Plastic wastes buried in landfill are gradually broken and decomposed into microplastics under physical, chemical and biological effects, bringing environmental risks to the exploitation of waste resources. Landfill leachate as a potential source of environmental microplastics has not good attention. Microplastics in leachate carry toxic and harmful pollutants and antibiotic resistance genes, and these vectors pose greater risks to human and environmental health without systematic treatment. Recently, the main technologies of landfill leachate treatment process include order batch activated sludge process, membrane biological reaction process, flocculation process, combined filtration process, and constructed wetland process. However, there is still little knowledge about microplastic removal of the existing leachate treatment facilities, and some technologies to alleviate the sources of such microplastics should be timely developed. This paper systematically summarizes the occurrence of plastics, microplastics and nanoplastics in leachate and their interactive pollution with other toxic pollutants. Meanwhile, the prospects of their environmental behaviors in landfill and leachate are put forward. The microplastic removal by existing leachate treatment equipment and the limitations and challenges to upgrading process of development and implementation are also discussed. The paper can provide a scientific basis for studying the fate of microplastics in landfill and leachate.

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