【摘要】 介绍了土壤中重金属的来源和形态,综述了当前土壤修复常用的物理、化学和生物修复法的原理和特点,对比了各方法的优点、局限性及其实用性,并对土壤修复技术今后的研究方向进行了展望。更多还原

【Abstract】 Along with the urban expansion and the development of industry and agriculture,heavy metals pollution in soil is increasingly serious,which has already threatened the ecological environment and human health. This paper touched the remedial principle and technical characteristics of physical remediation,chemical remediation and bio- remediation,also discussed their advantages,disadvantages,feasibility and future research trends of the technologies.更多还原