生态环境学报Issue(10):1727-1736,10.
农田土壤重金属污染状况及修复技术研究
Review on contamination and remediation technology of heavy metal in agricultural soil
摘要
Abstract
Heavy-metal pollution represents an important environmental problem due to the toxic effects of metals, and their accumulation throughout the food chain leads to serious ecological and health problems. As the wide use of pesticides, chemical fertilizers, and rapid industrialization, more and more agricultural soils were polluted by heavy metals (HMs). It is great important to make researches on the status and remediation technologies of agricultural soil heavy metal pollution, which contributes to improving the safety of agricultural products. Disposal of solid waste, deposition of air-borne industrial wastes, sewage irrigation and the growing unreasonable use of agricultural chemicals such as pesticides, herbicides and fertilizers were the sources of HMs contamination of agricultural soil. The current researches and application situations of remediation technologies, including physical and chemical, biological, ecological agriculture and combined remediation technology, which were reviewed at home and abroad. This review focuses on the principle, remediation conditions, application examples, and merits or demerits of the various remediation methods. Great emphasis was laid on the discussion of the mechanism and application of phytoremediation. The combined remediation technology of herb and xylophyta, which had high remediation efficiency, would be a new way for remediation the compound HMs pollution. Finally, based on the analysis of existing researches, the combined remediation technology, such as co-biological, physical-chemical, physical-chemical and biological combined technology, which could overcome the disadvantages of single method, enhancing the remediation efficiency and costing reasonable. As the above concluded, in the future it should further research on the interaction mechanism among the combined remediation technology, to provide the scientific basis for the comprehensive management and remediation on agricultural soil of heavy metal pollution.关键词
农田土壤/重金属/污染/修复技术Key words
agricultural soil/heavy metals/pollution/remediation technology分类
资源环境引用本文复制引用
樊霆,叶文玲,陈海燕,鲁洪娟,张颖慧,李定心,唐子阳,马友华..农田土壤重金属污染状况及修复技术研究[J].生态环境学报,2013,(10):1727-1736,10.基金项目
国家自然科学基金项目(41101485);农业部农业环境保护专项(农科教发[2012]3号);安徽省国土资源科技项目(2012-K-12);安徽农业大学稳定和引进人才科研资助项目 (41101485)