摘要
零价镁(ZVMg)金属化学活性强,在空气中易稳定保存,是一种环境友好的高效还原型修复材料,对多种有机污染物和重金属具有很好的去除效果,具有较大的环境修复应用潜力。文章综述了近20年来ZVMg对环境污染物去除的研究进展,重点阐述了ZVMg材料的还原特性、制备方法及其对污染物的去除效率和反应机理,指出了目前ZVMg材料应用于环境修复所面临的问题与挑战,并展望了未来ZVMg在污染场地治理领域的研究方向和应用前景。
Zero-valent magnesium(ZVMg)is an environment-friendly and efficient reductant with a high reactivity and a good stability in the atomsphere.It has an excellent performance on the removal of numerous organic and heavy metal pollutants,and a great application potential in the environmental remediation.This paper reviews on the research progresses of ZVMg to remove environmental pollutants in the past 20 years,focusing on ZVMg’s reducing characteristics and preparation methods,pollutants removal efficiency and reaction mechanisms.Accordingly,the present difficulties and challenges on the application of ZVMg in the field of the environmental remediation are highlighted.Future research areas and application prospects for the utilization of ZVMgbased materials in the environmental remediation are also prospected.
作者
韩璐
魏鹏刚
赵迎新
陈梦舫
HAN Lu;WEI Penggang;ZHAO Yingxin;CHEN Mengfang(Key Laboratory of Soil Environment and Pollution Remediation,Institute of Soil Science,Chinese Academy of Sciences,Nanjing 210008,China;School of Environmental Science and Engineering,Tianjin University,Tianjin 300350,China)
出处
《环境保护科学》
CAS
2022年第5期1-10,共10页
Environmental Protection Science
基金
国家自然科学青年基金资助项目(41907170)
国家重点研发计划项目(纳米科技专项)子课题(2017YFA0207003)。
关键词
零价镁
重金属污染
有机污染物
环境修复
去除机理
zero-valent magnesium
heavy metal contamination
organic contamination
environmental remediation
removal mechanism
