重金属污染土壤修复技术现状与展望

Current Situation And Prospect On The Remediation Of Heavy Metals Polluted Soil

目前重金属污染土壤修复主要采用物理化学技术和植物修复技术。根据其作用过程和机理,物理化学技术主要包括化学固化、土壤淋洗和动电修复;植物修复技术包括植物稳定、植物挥发和植物提取。本文就修复技术的原理、优缺点、实用性及研究现状与发展动态等方面进行了综述与分析。

Physical chemistry technology and phytoremediation are the important methods for solving heavy metal pollution.According to the processes and mechanisms of the reactions,physical chemistry technology can be divided into chemical immobilization,soil washing and electrokinetic remediation,while phytoremediation includes phyto-stabilization,phyto-volatilization and phyto-extraction.The principles,advantages,disadvantages,feasibility and future research trends of the technology were reviewed.