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地球科学进展  2013, Vol. 28 Issue (10): 1106-1118    DOI: 10.11867/j.issn.1001-8166.2013.10.1106
综述与评述     
纳米零价铁原位修复有机卤化物的影响因素
李云春, 王显祥*, 赵茂俊
四川农业大学生命科学与理学院, 四川 雅安 625014
Influence Factors on the In-situ Remediation of Halogenated Organic Compounds by Nanoscale Zerovalent Iron
Li Yunchun, Wang Xianxiang, Zhao Maojun
College of Life and Sciences, Sichuan Agricultural University, Ya'an 625014, China
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摘要:

土壤和地下水的有机卤化物污染日益严重, 且HOCs毒性强、难生物降解。纳米零价铁由于其独特的性质, 已成为国内外原位修复研究的热点。在NZVI降解HOCs反应机理和动力学的基础上, 综述了不同方法制备的裸露NZVI和不同修饰型NZVI 的内在性质, 以及pH、溶解氧、离子、金属、不反应的疏水性有机物和天然有机物、HOCs的浓度和组成、微生物和地下异质性等外在环境因素对NZVI原位修复的稳定性、输送性、锚定目标物能力以及反应活性等方面的影响, 并对该技术的实际应用做出了总结和展望。

关键词: 原位修复有机卤化物纳米零价铁影响因素    
Abstract:

The pollution of soil and groundwater by halogenated organic compounds (HOCs) is more and more severe. HOCs are of strong toxicity and difficult to be biodegraded. Due to its unique advantages, nanoscale zerovalent iron (NZVI) has become a hot research topic in the field of insitu remediation around the world. In this paper, basic reaction theories and kinetics of HOCs degradation by NZVI are briefly summarized. The influence factors on the insitu remediation of HOCs by NZVI are comprehensively discussed. The influence factors include the intrinsic properties of NZVI due to its different preparation and modification methods, and environment factors, such as pH, dissolved oxygen, ionic species, metals, nonreactive hydrophobic and natural organic compounds, concentrations and components of HOCs, microorganisms and subsurface heterogeneity. The effects of all these factors on NZVI stability, deliverability, targeting ability, and reactivity during insitu remediation are emphasized. Finally, the practical application of this technology are summarized and prospected.

Key words: Halogenated organic compounds    Influence factors.    In-situ remediation    Nanoscale zerovalent iron
收稿日期: 2013-01-06 出版日期: 2013-10-10
:  P951  
基金资助:

四川省教育厅重点科研项目“微乳液洗脱与纳米铁复合物相结合修复土壤中的永久性有机污染物”(编号:09ZA062)资助.

通讯作者: 王显祥(1978-), 男, 重庆云阳人, 教授, 主要从事荧光光谱分析及环境毒理分析研究.E-mail: xianxiangwang@hotmail.com   
作者简介: 李云春(1978-), 女, 四川隆昌人, 副教授, 主要从事大气土壤环境污染研究.E-mail:yunchunli@sicau.edu.cn
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引用本文:

李云春,王显祥,赵茂俊. 纳米零价铁原位修复有机卤化物的影响因素[J]. 地球科学进展, 2013, 28(10): 1106-1118.

Li Yunchun,Wang Xianxiang,Zhao Maojun. Influence Factors on the In-situ Remediation of Halogenated Organic Compounds by Nanoscale Zerovalent Iron. Advances in Earth Science, 2013, 28(10): 1106-1118.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2013.10.1106        http://www.adearth.ac.cn/CN/Y2013/V28/I10/1106

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