纳米零价铁基材料用于地下水修复研究进展  

Mechanism and Application of Nanoscale Zero-valent Iron and Modified Materials in Groundwater Remediation

作　　者：刘诗婷 刘静[1,2] 刘爱荣 张伟贤[1,2] LIU Shiting;LIU Jing;LIU Airong;ZHANG Weixian(School of Environmental Science and Engineering,Tongji University,Shanghai 200092,China;State Key Laboratory for Pollution Control and Resource Reuse,Shanghai 200092,China)

机构地区：[1]同济大学环境科学与工程学院,上海200092 [2]污染控制与资源化研究国家重点实验室,上海200092

出　　处：《环境科学与技术》2022年第9期181-193,共13页Environmental Science & Technology

基　　金：国家重点研发计划项目(2019YFC1805300);国家自然科学基金(42073082,41673096);国家重点实验室项目(PCRRC20021)。

摘　　要：地下水污染修复一直以来都是环境领域的热点课题,纳米零价铁(nZVI)材料因其优越的性能为地下水治理和修复技术提供了方法和思路。文章简述了nZVI及其修饰改性技术,阐述了nZVI及其改性材料在地下水修复应用中的特点,总结了地下水环境对nZVI材料性质的影响,并对nZVI及改性材料地下水卤代有机物、重金属污染原位修复案例进行了综述。最后,对nZVI及其改性材料在未来地下水原位修复研究领域的发展进行了展望,提出建立模拟n ZVI修饰改性技术与污染物去除过程的仿真模型、展开nZVI及改性材料在地下水污染修复过程中环境效应及归宿等研究建议,以期对nZVI大规模实际应用的研究提供理论借鉴。Groundwater pollution remediation has always been a hot topic in the field of environment.Nano zero-valent iron material(nZVI)has been widely used in the treatment and remediation of halogenated organics and heavy metals in groundwater.In this paper,we briefly describe n ZVI and its modification technologies,expounds the characteristics of nZVI and its modified materials in groundwater remediation,summarizes the influence of groundwater environment on the properties of nZVI materials,and summarizes the in situ remediation cases of groundwater halogenated organic matter and heavy metal pollution of nZVI and its modified materials.Finally,the author looks forward to the development of nZVI and its modified materials in the field of groundwater in situ remediation in the future,and puts forward some suggestions,such as establishing a simulation model to simulate nZVI modification technology and pollutant removal process,and carrying out the research on the environmental effects and fate of nZVI and its modified materials in the process of groundwater pollution remediation,in order to provide theoretical reference for the research of large-scale practical application of nZVI.

关 键 词：纳米零价铁 改性 地下水 原位修复 卤代有机物 重金属 

分 类 号：X523[环境科学与工程—环境工程]