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  • 焦文涛,韩自玉,吕正勇,马栋,胡健,田垚,代子俊,王静.土壤电阻加热技术原位修复有机污染土壤的关键问题与展望[J].环境工程学报,2019,13(9):2027-2036.DOI:10.12030/j.cjee.201905138    [点击复制]
  • JIAO Wentao,HAN Ziyu,LYU Zhengyong,MA Dong,HU Jian,TIAN Yao,DAI Zijun,WANG Jing.Key issue and expectation of soil electrical resistance heating remediation technology[J].,2019,13(9):2027-2036.DOI:10.12030/j.cjee.201905138   [点击复制]
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土壤电阻加热技术原位修复有机污染土壤的关键问题与展望
焦文涛1, 韩自玉1, 吕正勇2, 马栋3, 胡健1, 田垚1, 代子俊1, 王静1
0
(1.中国科学院生态环境研究中心,城市与区域国家重点实验室,北京 100085;2.北京高能时代环境修复股份有限公司,北京 100015;3.国科大(北京)环境技术有限公司,北京 100190)
摘要:
为解决我国近年来重污染企业搬迁遗留的有机污染土壤问题,土壤电阻加热修复技术(electrical resistance heating,ERH)等热处置技术日益受到重视。ERH是目前修复挥发性、半挥发性有机污染土壤最具有潜力的原位热修复技术之一,其污染物去除率及土壤性质变化是用以评估该土壤修复技术的核心指标。在查阅文献的基础上,系统分析了热处置及电阻加热技术相关原理与适用范围,并对ERH处置过程中土壤性质可能发生的变化进行了深入讨论,以期为我国有机污染土壤原位热修复技术的推广和应用提供参考。
关键词:  土壤修复  热脱附  电阻加热技术  原位
DOI:10.12030/j.cjee.201905138
投稿时间:2019-05-24
基金项目:国家重点研发计划资助项目(2018YFC1802100);中国科学院STS项目(KFJ-STS-ZDTP-039)
Key issue and expectation of soil electrical resistance heating remediation technology
JIAO Wentao1, HAN Ziyu1, LYU Zhengyong2, MA Dong3, HU Jian1, TIAN Yao1, DAI Zijun1, WANG Jing1
(1.State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;2.Beijing GeoEnviron Engineering & Technology Co. Ltd., Beijing 100015, China;3.Beijing Environmental Technology Co. Ltd., University of Chinese Academy of Sciences, Beijing 100190, China)
Abstract:
In order to solve the problem of organic polluted soil left over from the relocation of heavy polluting enterprises in recent years, thermal remediation technologies such as electrical resistance heating (ERH), etc. have attracted an increasing attentions. ERH is one of the most potential in-situ thermal remediation technologies for the remediation of volatile and semi-volatile organics-contaminated soil. Pollutant removal efficiency and changes of soil property are the core indicators of soil remediation technology. In this review, the relevant principles and application scope of thermal disposal and ERH were systematically analyzed base on summarizing and analyzing of existing literatures. The possible changes in soil properties during ERH disposal were further discussed. It is expected that the results will provide reference for the popularization and application of in-situ thermal disposal technology in organics-contaminated soil remediation.
Key words:  soil remediation  thermal desorption  electrical resistance heating  in site