YOUGuo-xiang,WANGChao,WANGPei-fang,et al.Interactions between Artificial Nanomaterials and Microbial Aggregates[J].China Water & Wastewater,2024,40(2):10-17.
人工纳米材料与污水微生物聚集体的相互作用研究
- Title:
- Interactions between Artificial Nanomaterials and Microbial Aggregates
- Keywords:
- microbial aggregates; extracellular polymeric substances; nanomaterials; bioeffects; wastewater treatment system
- 摘要:
- 近年来，关于人工纳米材料（NMs）在污水处理系统中的生物转化与生物效应研究得到了广泛关注，NMs与污水微生物聚集体的相互作用成为其中的焦点。基于已有研究成果，系统综述了微生物聚集体及其表面胞外聚合物（EPS）对NMs环境行为的影响，进一步总结了NMs对EPS组成与结构特性、微生物聚集体的群落结构及功能活性的影响，从上述两个方面探究了NMs在污水处理系统中的赋存、归趋及生物毒性效应，旨在为深入开展NMs在污水处理系统中的污染控制、风险评价和管理提供理论基础和科学依据。
- Abstract:
- Recently, there has been significant attention given to the study of the biotransformation and bioeffects of artificial nanomaterials (NMs) in wastewater treatment systems (WWTSs). Specifically, the interactions between NMs and microbial aggregates in WWTSs have become a focal point of research. Building upon existing findings, this article systematically reviews the impact of microbial aggregates and their surface extracellular polymeric substances (EPS) on the fate of NMs. Furthermore, the effects of NMs on the composition and structural characteristics of EPS, as well as the community structure and functional activity of microbial aggregates are summarized. It explores the fate, transport, and biotoxicity effects of NMs in WWTSs from the aforementioned perspectives. The aim of this article is to establish a theoretical and scientific foundation for the pollution control, risk assessment and management of NMs in WWTSs.
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