摘要
多氯联苯由于具有较强的化学惰性和热稳定性,在环境中广泛存在,土壤是其在环境中最主要的归宿.多氯联苯污染土壤的原位修复方法多样,有覆盖、稳定化技术相结合的物理修复方法;微波分解的热处理技术;氧化还原、化学淋洗以及光解等化学修复方法;还有以植物、微生物、动物为主体的生物修复方法,每种修复方法都有其优越性和一定的局限性.如今持久性有机污染物的原位修复正朝着绿色、环境友好的生物修复以及多元联合杂交的综合修复等技术方向发展.
Due to the strong chemical inertness and thermal stability, polychlorinated biphenyls （PCBs） exist extensively in the environment and the soil is the final fate. There are various in situ remediation technologies for PCB-contaminated soils. Capping technology as a physical method is frequently used. The heat treating technology of microwave decomposition can slso be used for soil remediation. Chemical methods include redox technology, chemical washing means and photodegradation remediation. There are also bioremediation methods base on plants, animals and microorganisms. Each method has its advantages, disadvantages and limitations. Nowadays, in situ remediation of persistent organic pollutants is moving towards green and environmental- friendly bioremediation, combined and hybride technologies.
出处
《环境化学》
CAS
CSCD
北大核心
2014年第3期397-403,共7页
Environmental Chemistry
基金
江苏省自然基金(BK2011655)
中国科学院土壤环境与污染修复重点实验室(南京土壤研究所)开放基金
江苏省优势学科项目资助
关键词
污染土壤
多氯联苯
原位修复
contaminated soil, polychlorinated biphenyls （PCBs）, in situ remediation.
