锑污染土壤微生物修复机制研究进展

许瑞; 南小龙; 蒋国清; 覃金宁; 何友宇; 熊作胜; 姜必广; 王宾海; 李骞

doi:10.13779/j.cnki.issn1001-0076.2020.04.004

锑污染土壤微生物修复机制研究进展

1.
中南大学资源加工与生物工程学院，湖南长沙 410083

2.
湖南省核工业地质局三0六大队，湖南长沙 410083

基金项目:
国家重点研发计划（2018YFE0110200）；湖南省自然资源科技计划项目（2020-21）；云南省科技计划项目（2018ZE001）

详细信息

作者简介: 许瑞(1994-), 男, 甘肃武威人, 博士研究生, 研究方向:生物法修复矿区重金属污染土壤, E-mail:ruixu1923@csu.edu.cn

通讯作者: 李骞(1975-), 男, 甘肃静宁人, 博士, 教授, 研究方向:贵金属冶金及矿产资源综合利用。E-mail:csuliqian@126.com

中图分类号: X172

收稿日期: 2020-03-25

Research Progress on Bioremediation Mechanism of Antimony Contaminated Soil

1.
School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China

2.
306 Bridge of Hunan Nuclear Geology, Changsha 410083, China

More Information

Corresponding author: Qian LI, csuliqian@126.com

Received Date: 25 March 2020

摘要

摘要: 锑（Sb）是一种有毒的类金属，由于Sb的广泛使用和采矿活动，大量的Sb释放到土壤环境中，对人类和生态系统健康构成了严重威胁。微生物修复作为一种环境友好且成本低廉的土壤修复技术，在Sb污染土壤修复中的应用受到广泛关注。讨论了土壤系统特征对Sb行为的影响，着重讨论了土壤理化性质对Sb迁移转化行为的影响。综述了近年来微生物修复Sb污染土壤机制的研究进展，特别是微生物氧化、还原、吸附和甲基化等。重点分析了微生物作用与土壤系统中存在的铁锰（氢）氧化物吸附相关联的可行性，这种以铁锰（氢）氧化物为基础的技术可能是一种修复Sb污染土壤的有效方法。
- 锑污染土壤 /
- 微生物修复 /
- 铁锰(氢)氧化物 /
- 迁移转化 /
- 吸附
Abstract: Antimony (Sb) is a toxic metalloid. A large amount of Sb has been released into the soil environment as a result of its extensive use and Sb-mining activities, which causes a serious threat to the health of human beings and ecosystems. The microbial technology remediating Sb contaminated soil has been garnered considerable attention due to its environmentally friendly and low-cost. The influence of soil system characteristics on Sb behavior was discussed, especially focusing on the influence of soil physical and chemical properties on Sb migration? and? conversion. Meanwhile, the research progress of the mechanism of microbial remediation of Sb contaminated soil in recent years was reviewed, especially focusing on the microbial oxidation, reduction, adsorption and methylation. In addition, the feasibility of microbial interactions associated with the adsorption of Fe and Mn (hydr) oxides in soil system was analyzed. It can be inferred that such a technology based on Fe and Mn (hydr) oxides may be an effective method for remediation of Sb contaminated soil.
- antimony contaminated soil /
- bioremediation /
- iron-manganese (hydr) oxides /
- migration and conversion /
- adsorption

HTML全文

图 1 世界各国Sb储量(数据来源：美国地质调查局，USGS)

Figure 1.

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图 2 Sb(Ⅲ)吸附，电子转移及Sb(Ⅴ)和Fe(Ⅱ)吸附反应示意图^[41]

Figure 2.

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图 3 不同Sb物种的甲基化途径^[3]

Figure 3.

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