Research Progress on Solidification and MICP Remediation of Soils in Heavy Metal Contaminated Site

被引：2
|
作者：
Chen Y.-R. [1 ]
Gao W.-Y. [1 ]
Chen H.-R. [1 ]
Xue S.-G. [1 ,2 ]
Wu C. [1 ,2 ]
机构：
[1] School of Metallurgy and Environment, Central South University, Changsha
[2] Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha
来源：
Huanjing Kexue/Environmental Science | 2024年 / 45卷 / 05期
关键词：
contaminated site; heavy metals; microbial induced carbonate mineralization（MICP）; soil remediation; solidification;
D O I：
10.13227/j.hjkx.202305138
中图分类号：
学科分类号：
摘要：
Heavy metal pollution in soils of smelting sites is an important environmental problem to be solved urgently. Solidification technology has become one of the mainstream technologies for heavy metal remediation in contaminated sites owing to its shorter remediation time，low cost，and high treatment efficiency. On the basis of summarizing the latest research progress on the remediation of heavy metal pollution in sites by solidification in the past 10 years，this study focused on the mechanisms of solidification technology and analyzed the advantages and disadvantages of different mechanisms（mechanism of inorganic materials，mechanism of organic materials，mechanism of mechanical ball milling，and mechanism of microbial-induced carbonate mineralization（MICP））and their scope of application. Then，according to the research focus and development trend presented by CiteSpace，the application prospects and limiting factors of MICP technology for the solidification and remediation of heavy metal pollution in sites were summarized from three aspects：the application of MICP in multi-metal remediation，the application of MICP composites in contaminated sites，and the influencing factors of MICP technology application. Finally，the prospects and challenges in solidification technology were put forward in order to provide reference for the future development. © 2024 Science Press. All rights reserved.
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页码：2939 / 2951
页数：12
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