Preparation of nanoscale zero-valent iron and its application of reduction and oxidation technology

被引:0
作者
Hu, Shugang [1 ]
Tian, Guoqing [1 ,2 ]
Liu, Wenjuan [3 ]
Xu, Guangfei [4 ]
Liu, Huaqing [1 ,2 ]
Zhang, Jian [1 ,2 ,5 ]
Wang, Yanlong [1 ,2 ]
机构
[1] College of Safety and Environmental Engineering, Shandong University of Science and Technology, Shandong, Qingdao
[2] Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Shandong, Qingdao
[3] Agricultural and Rural Comprehensive Service Center of Miaoguan Town, Sishui County, Shandong, Jining
[4] Shandong Zhengqi Technology Group Co., Ltd., Shandong, Linyi
[5] School of Geographical Environment, Shandong Normal University, Shandong, Jinan
来源
Huagong Xuebao/CIESC Journal | 2024年 / 75卷 / 09期
关键词
environmental remediation; material preparation; nanomaterials; oxidation; radical; reduction;
D O I
10.11949/0438-1157.20240351
中图分类号
学科分类号
摘要
Nanoscale zero-valent iron (nZVI) has broad application prospects in environmental pollution remediation due to its strong reduction ability and high adsorption performance. In recent years, various synthesis methods have been developed and great promotion has been made in the reduction of nZVI to remove organic and inorganic pollutants, as well as advanced oxidation technologies based on nZVI. This review provided a comprehensive summary of the mechanisms and relative merits of the main methods for nZVI preparation, including physical, chemical, and green synthesis methods. The removal mechanisms of inorganic and organic contaminants by nZVI involving reduction, adsorption, and coprecipitation were described in detail; the mechanism and environmental application of nZVI coupled with oxidants (e. g., molecular oxygen, hydrogen peroxide, calcium peroxide, and persulfate) were emphatically introduced. Additionally, the research trends and development directions for the nZVI-based technology in environmental remediation are proposed, aiming to serve as a reference for the efficient preparation and widespread application of nZVI in environmental remediation. © 2024 Materials China. All rights reserved.
引用
收藏
页码:3041 / 3055
页数:14
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