重金属污染土壤原位化学固定修复研究进展

doi:10.14088/j.cnki.issn0439-8114.2019.01.002

摘要/Abstract

摘要： 原位化学固定修复是通过添加不同外源物质固定土壤中重金属元素,达到降低重金属迁移性和生物有效性的一种重要方法。目前原位化学固定修复的钝化固定剂类型多样,分布广泛,可分为无机钝化剂、有机钝化剂和无机—有机复合型钝化剂。主要综述了不同类型钝化剂特性、作用机理和影响因素,同时分析了钝化剂应用过程中的存在问题和发展方向,以期为新型高效多功能钝化剂的研究提供参考。

关键词: 重金属, 原位化学固定修复, 钝化剂

Abstract: In situ chemical immobilization remediation means that adding different allogenic materials to fix heavy metal element in soil, which is an important method to reduce the mobility and bioavailability of heavy metals. Now the passivating fixators used for in situ chemical immobilization present various types and distribute widely. There are inorganic passivators, organic passivators as well as organic- inorganic complexed passivators. The characteristics, immobilization mechanisms and remediation effects of different types of passivating fixators are summarized, the problems existing in the application process of various passivators and its development trend are analyzed at the same time, aiming to provide the reference for exploring some new multifunctional passivators.

Key words: heavy metal, in situ chemical immobilization remediation, passivators

中图分类号:

徐慧婷, 张炜文, 沈旭阳, 傅巨阳, 陈菲菲, 王艳, 杨梦, 赵桐鹤, 朱维琴. 重金属污染土壤原位化学固定修复研究进展[J]. 湖北农业科学, 2019, 58(1): 10-14.

XU Hui-ting, ZHANG Wei-wen, SHEN Xu-yang, FU Ju-yang, CHEN Fei-fei, WANG Yan, YANG Meng, ZHAO Tong-he, ZHU Wei-qin. Advances in Remediation of Heavy Metal Contaminated Soils by in Situ Chemical Fixation[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(1): 10-14.

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