Research progress of nano zero-valentiron coupling clay for remediation of polluted soil
HU Pei-wei1,2, GAO Run-qin1, DAI Yan-ni1, ZHANG Yan1, YANG Wen-zhao1
1. College of Resources and Environment Engineering, Wuhan University of Science and Technology, Wuhan 430081, China; 2. Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, China
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 forremediation of polluted soil.
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. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(10): 4731-4740.
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