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Published (Version of record)CC BY-NC V3.0, Open Access
Published (Version of record)CC BY-NC V3.0, Open
Journal article
Describing the toxicity and sources and the remediation technologies for mercury-contaminated soil
RSC Advances, Vol.10(39), pp.23221-23232
2020
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Abstract
Mercury (Hg) is a natural element and its compounds are found as inorganic and organic forms in the environment. The different Hg forms (e.g., methylmercury (MeHg)), are responsible for many adverse health effects, such as neurological and cardiovascular effects. The main source of Hg is from natural release. Nevertheless, with the development of industrialization and urbanization, Hg-contaminated soil mainly influenced by human activities (especially near mercury mining areas) has become a problem. Therefore, much more attention has been paid to the development and selection of various treatment methods to remediate Hg-contaminated soils. This paper presented a systematical review of the recent developments for the remediation of Hg-contaminated soils. Firstly, we briefly introduced the Hg chemistry, toxicity and the main human activity-related sources of mercury in soil. Then the advances in remediation technologies for removing Hg pollution from the soil were summarized. Usually, the remediation technology includes physical, chemical and biological remediation technology. Depending on this, we further classified these remediation technologies into six techniques, including thermal desorption, electrokinetic extraction, soil washing, chemical stabilization, phytoremediation and microbial technology. Finally, we also discussed the challenges and future perspectives of remediating Hg-contaminated soils.
Details
- Title
- Describing the toxicity and sources and the remediation technologies for mercury-contaminated soil
- Creators
- Dongye Teng - State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, ChinaKang Mao - State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, ChinaWaqar Ali - State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, ChinaGuomin Xu - State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, ChinaGuopei Huang - State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, ChinaNabeel Khan Niazi - Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad-38040, PakistanXinbin Feng - State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, ChinaHua Zhang - State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China
- Publication Details
- RSC Advances, Vol.10(39), pp.23221-23232
- Publisher
- Royal Society of Chemistry
- Grant note
- This work is supported by the National Science Foundation of China-Project of Karst Science Research Center (U1612442), Financial support from National Key Research and Development Program of China (No. 2019 YFC1803601), Science and Technology Program of Guizhou Province [Grant No. (2019)5618, 2019(2963), and (2019)4428], and Opening fund of State Key Laboratory of Environmental Geochemistry (SKLEG2019606, 2019717).
- Identifiers
- 991012951092002368
- Copyright
- Open Access Article. Published on 17 June 2020. This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. This journal is © The Royal Society of Chemistry 2020
- Academic Unit
- School of Environment, Science and Engineering; Science; Faculty of Science and Engineering
- Language
- English
- Resource Type
- Journal article