纳米零价铁耦合黏土修复污染土壤的研究进展

胡佩伟; 高润琴; 戴妍妮; 张炎; 杨文招

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中国环境科学 ›› 2022, Vol. 42 ›› Issue (10) : 4731-4740.

土壤污染与控制

纳米零价铁耦合黏土修复污染土壤的研究进展

胡佩伟^1,2, 高润琴¹, 戴妍妮¹, 张炎¹, 杨文招¹

作者信息 +

Research progress of nano zero-valentiron coupling clay for remediation of polluted soil

HU Pei-wei^1,2, GAO Run-qin¹, DAI Yan-ni¹, ZHANG Yan¹, YANG Wen-zhao¹

Author information +

文章历史 +

摘要

黏土负载型nZVI具有低成本、易制备、环境相容性好、综合性能优越的特点.本文在归纳nZVI改性策略的基础上，比较了黏土种类对nZVI形貌和性能的影响，提出了理想黏土载体的优选顺序，分析了复合材料的铁含量、比表面积、nZVI尺寸等与去除性能之间的关系，对nZVI耦合黏土在修复土壤重金属、卤代有机物、硝酸盐、新型污染物等方面的研究进行了总结，并概述了nZVI技术在土壤修复中的负面效应，最后对nZVI耦合黏土修复污染土壤的未来方向进行了展望.

Abstract

Clay-supported nZVI possess excellent comprehensive performance, such as low cost, easy preparation and environmental compatibility. On the basis of summarizing the modification strategies of nZVI, the effects of clay types on the morphology and properties of nZVI are compared. This paper poses the optimal order of ideal clay carrier, analyses the relationship between the iron content, specific surface area, nZVI size and the removal performance. The application of nZVI coupling clay for soil remediation, such as heavy metals, halogenated organics, nitrates, new pollutants in soil are reviewed, and the negative effects of nZVI technology in soil remediation are also summarized. Finally, the paper prospects the future direction of nZVI coupled clay technology and its mineral materials for remediation of polluted soil.

导出引用

胡佩伟, 高润琴, 戴妍妮, 张炎, 杨文招. 纳米零价铁耦合黏土修复污染土壤的研究进展[J]. 中国环境科学. 2022, 42(10): 4731-4740

HU Pei-wei, GAO Run-qin, DAI Yan-ni, ZHANG Yan, YANG Wen-zhao. Research progress of nano zero-valentiron coupling clay for remediation of polluted soil[J]. China Environmental Science. 2022, 42(10): 4731-4740

中图分类号： X53

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