Transformation characteristics of microplastics derived from sludge and their Cd(II) adsorption behavior during bioleaching
文献类型：期刊论文
| 作者 | Chen, Xinchao1,2; Pan, Jiajing1,2; Huang, Xin1,2; Liu, Hongtao3; Zhang, Jun1,2 |
| 刊名 | ENVIRONMENTAL POLLUTION
 |
| 出版日期 | 2026-01-15 |
| 卷号 | 389页码:127404 |
| 关键词 | Microplastics Bioleaching Sludge Occurrence characteristics Heavy metal adsorption |
| ISSN号 | 0269-7491 |
| DOI | 10.1016/j.envpol.2025.127404 |
| 产权排序 | 3 |
| 文献子类 | Article |
| 英文摘要 | Although sludge bioleaching has been widely applied for dewatering and heavy metal removal, its effects on the occurrence characteristics and property changes of microplastics remain largely unreported. This study aimed to evaluate the effects of bioleaching treatment on the occurrence characteristics, physicochemical properties, and Cd adsorption capacity of microplastics in sludge from two wastewater treatment plants. Microplastic abundance decreased significantly after bioleaching treatment from 1557 to 997 items/L and from 4117 to 1371 items/L in the two plants. The proportion of microplastics sized 50-200 mu m decreased from 72.9 % to 47.4 % and from 40.0 % to 34.6 %. Fibrous microplastics remained the dominant form, with polypropylene and polyethylene as the main polymers. Energy dispersive X-ray spectroscopy analysis demonstrated surface aging, with the oxygen content increasing from 2.06 % to 22.14 % and the oxygen-carbon ratio increasing from 0.087 to 0.248. The isolated microplastics demonstrated enhanced Cd adsorption capacity, ranging from 1236 to 1797 mu g/g, indicating that bioleaching-induced fragmentation creates additional adsorption sites. Overall, bioleaching alters microplastics occurrence and accelerates aging, thereby enhancing heavy-metal adsorption and offering insights into the environmental risks of sludge-borne MPs. |
| URL标识 | 查看原文 |
| WOS关键词 | WATER TREATMENT-PLANT ; MECHANISM ; RELEASE ; FATE |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:001630163100001 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/219677]  |
| 专题 | 黄河三角洲现代农业工程实验室_外文论文 |
| 通讯作者 | Zhang, Jun |
| 作者单位 | 1.Guilin Univ Technol, Univ Engn Res Ctr Watershed Protect & Green Dev, Guilin 541006, Guangxi, Peoples R China; 2.Guilin Univ Technol, Guangxi Key Lab Environm Pollut Control Theory & T, Guilin 541006, Peoples R China; 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Xinchao,Pan, Jiajing,Huang, Xin,et al. Transformation characteristics of microplastics derived from sludge and their Cd(II) adsorption behavior during bioleaching[J]. ENVIRONMENTAL POLLUTION,2026,389:127404. |
| APA | Chen, Xinchao,Pan, Jiajing,Huang, Xin,Liu, Hongtao,&Zhang, Jun.(2026).Transformation characteristics of microplastics derived from sludge and their Cd(II) adsorption behavior during bioleaching.ENVIRONMENTAL POLLUTION,389,127404. |
| MLA | Chen, Xinchao,et al."Transformation characteristics of microplastics derived from sludge and their Cd(II) adsorption behavior during bioleaching".ENVIRONMENTAL POLLUTION 389(2026):127404. |
入库方式： OAI收割
来源：地理科学与资源研究所
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