Hydrodynamic Aging Process Altered Benzo(a)pyrene Adsorption on Poly(butylene adipate-co-terephthalate) and Poly(butylene succinate) Microplastics in Seawater
文献类型：期刊论文
| 作者 | Liu, Xiaotao3; Feng, Yuexia1,2; Hua, Xueting2; Lu, Jian1,2; Wu, Jun3 |
| 刊名 | SUSTAINABILITY
 |
| 出版日期 | 2025-12-18 |
| 卷号 | 17期号:24页码:15 |
| 关键词 | petroleum-based degradable plastic microplastics hydrodynamic aging adsorption Gibbs free energy |
| DOI | 10.3390/su172411344 |
| 通讯作者 | Feng, Yuexia(yxfeng_yic@163.com) |
| 英文摘要 | The environmental behavior of biodegradable plastics under long-term hydrodynamic aging processes in seawater remains poorly understood, although plastic pollution has attracted global concern. This study obtained poly(butylene adipate-co-terephthalate) (PBAT) and poly(butylene succinate) (PBS) microplastics that endured 36-month hydrodynamic aging in seawater to elucidate their physicochemical transformations and interactions with benzo(a)pyrene (BaP). Hydrodynamic aging markedly altered surface morphology, generated cracks and pores, and enriched -C=O and -OH groups, indicating oxidative degradation. Adsorption experiments showed that BaP adsorption capacity of virgin PBAT/PBS reached 213.3/235.3 mu g g-1, while it increased to 233.3/258.2 mu g g-1 after hydrodynamic aging in seawater. Elevated salinity and alkaline conditions reduced BaP adsorption on microplastics. Notably, hydrodynamic aging mitigated the risk of BaP desorption from PBAT in ectothermic organisms. Gibbs free energy calculations indicated that the adsorption process was primarily driven by hydrophobic effects, hydrogen bonding, and van der Waals forces. These findings highlight that long-term hydrodynamic aging substantially modifies the interfacial properties of biodegradable plastics to alter their capacity for mediating the environmental fate of hydrophobic organic pollutants in marine ecosystems. |
| WOS研究方向 | Science & Technology - Other Topics ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:001647262600001 |
| 资助机构 | Fundamental Research Funds for the Central Universities ; Wanhua Chemical Group Co., Ltd. ; Taishan Scholars Program |
| 源URL | [http://ir.yic.ac.cn/handle/133337/41970]  |
| 专题 | 烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室 |
| 通讯作者 | Feng, Yuexia |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Shandong Key Lab Coastal Environm Proc & Ecol Secu, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China 3.Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Xiaotao,Feng, Yuexia,Hua, Xueting,et al. Hydrodynamic Aging Process Altered Benzo(a)pyrene Adsorption on Poly(butylene adipate-co-terephthalate) and Poly(butylene succinate) Microplastics in Seawater[J]. SUSTAINABILITY,2025,17(24):15. |
| APA | Liu, Xiaotao,Feng, Yuexia,Hua, Xueting,Lu, Jian,&Wu, Jun.(2025).Hydrodynamic Aging Process Altered Benzo(a)pyrene Adsorption on Poly(butylene adipate-co-terephthalate) and Poly(butylene succinate) Microplastics in Seawater.SUSTAINABILITY,17(24),15. |
| MLA | Liu, Xiaotao,et al."Hydrodynamic Aging Process Altered Benzo(a)pyrene Adsorption on Poly(butylene adipate-co-terephthalate) and Poly(butylene succinate) Microplastics in Seawater".SUSTAINABILITY 17.24(2025):15. |
入库方式： OAI收割
来源：烟台海岸带研究所
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