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湖南锰矿区土壤重金属污染修复研究Research on Remediation of Heavy Metal Soil Pollution in Manganese Mining Areas of Hunan
锰矿区, 重金属污染土壤, 修复技术Manganese Mine, Heavy Metal Polluted Soil, Remediation Practice
《Advances in Environmental Protection》, Vol.6 No.2, 2016-04-19
The heavy metal pollution of metal mining and the surrounding soil has become one of the serious environmental problems. During the long-term mining process of manganese, the soil in the manganese mining areas of Hunan was seriously damaged, and led to the degradation of the ecosystem. In this paper, the present situation of resource exploitation in Hunan manganese mine is summarized, and the restoration of heavy metal contaminated soil at home and abroad is summarized: physical remediation, chemical remediation, microbial remediation, phytoremediation, etc., and the combination remediation technology is emphatically introduced. The paper also points out the progress, advantages, disadvantages and the existing problems of these measures and the chelating agent and microbe and plants combined remediation is prospected. It points out that it is not only can save repair costs, but also can reduce the biotoxicity and environmental risk.