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固定化微生物技术修复多氯联苯污染土壤的应用前景

胡金星1,苏晓梅1,韩慧波2,沈超峰1**,施积炎1   

  1. (1浙江大学环境与资源学院环境保护研究所, 杭州 310058; 2杭州市环境保护科学研究设计有限公司, 杭州 310014)
  • 出版日期:2014-06-18 发布日期:2014-06-18

Application prospect about bioremediation of polychlorinated biphenyls-contaminated soil with immobilized microorganism technique: A review.

HU Jin-xing1, SU Xiao-mei1, HAN Hui-bo2, SHEN Chao-feng1, SHI Ji-yan1   

  1. (1Institute of Environmental Protection, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310085, China; 2Hangzhou Environmental Protection Science Research and Design Company Limited, Hangzhou 310014, China)
  • Online:2014-06-18 Published:2014-06-18

摘要:

多氯联苯(PCBs)是一类持久性有机污染物,生物危害性极大,流入环境后易被土壤颗粒吸附而长期蓄积在土壤中.运用生物技术修复PCBs污染土壤一直是国内外学者研究的热点.其中固定化微生物技术因其独特的优势而具备了较高的开发与应用价值.本文简要评述了当前PCBs污染土壤的主要修复技术,并通过分析固定化微生物技术的特点及其在有机污染土壤修复方面的研究进展,论述了运用该技术修复PCBs污染土壤的可行性以及所面临的关键科学问题.
 

Abstract: As one type of the persistent organic pollutants, polychlorinated biphenyls (PCBs) are tremendously harmful to organisms. These compounds are easily absorbed onto soil particles and able to accumulate in soil after they are released into the environment. Bioremediation technology of PCBs-contaminated soils has become a research hotspot in recent years, and immobilized microorganism technique has high developing and applying value because of its unique advantages in environmental remediation. This paper reviewed the chief remediation technology of PCBs-contaminated soils and then analyzed the characteristics of immobilized microorganism technique and its research progress in remediation of organic polluted soil. Finally, the feasibility and problems of this technique in remediation of PCBs-contaminated soil were also discussed.