摘要
在总结目前污水处理系统和自然水体中典型纳米材料浓度分布的基础上,分析了金属纳米材料对污水处理系统(活性污泥和生物膜)和自然水生态系统(自然生物膜)中微生物聚集体的毒性作用研究现状,提出开展金属纳米材料对自然生物膜微生物群落结构和功能特性影响的研究,通过低浓度长期暴露实验解析其对自然水生态系统的负面效应等,为纳米材料的污染防治提供理论依据。
On the basis of summarizing the concentration distribution of typical nanomaterials in sewage treatment system and natural water body at present,the toxic effects of metal nanomaterials on microbial aggregates in sewage treatment systems(activated sludge and biofilm)and natural aquatic ecosystems(natural biofilm)were analyzed.It is proposed to study the effects of metal nanomaterials on the structure and functional characteristics of microbial communities in natural biofilms.An analysis of the negative effects on natural aquatic ecosystem by long-term exposure to low concentration was made,providing theoretical basis for pollution prevention and control of nano-materials.
作者
苗令占
王沛芳
侯俊
王超
姚羽
MIAO Lingzhan;WANG Peifang;HOU Jun;WANG Chao;YAO Yu(Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes,Ministry of Education,Hohai University,Nanjing 210098,China;College of Environment,Hohai University,Nanjing 210098,China)
出处
《水资源保护》
CAS
CSCD
北大核心
2019年第1期73-78,94,共7页
Water Resources Protection
基金
国家自然科学基金(51709081)
河海大学中央高校基本科研业务费专项(2017B01614)
关键词
金属纳米材料
污水处理系统
自然水环境
微生物聚集体
metal nanomaterials
sewage treatment system
natural water environment
microbial aggregates
