4.中国计量大学计量测试工程学院,杭州 310018
1.Beijing Construction Engineering Group Environmental Remediation Co.Ltd., Beijing 100015, China
2.National Engineering Laboratory for Site Remediation Technologies, Beijing 100015, China
3.State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
4.College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, China
原位燃气热脱附是目前修复有机污染土壤最具潜力的技术之一。在查阅文献的基础上,结合国内外实际案例,系统梳理了有机污染土壤原位燃气热脱附修复技术的原理、适用范围、优缺点以及工艺施工流程,对国内外燃气热脱附技术的研究现状和工程应用情况进行了对比分析,并对该技术的发展趋势和应用前景进行了展望,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。
In situ gas thermal desorption (GTD) is one of the most promising technologies for the remediation of organic contaminated soil. Based on extensive literature review and worldwide practical cases analysis, this paper systematically reviewed the fundamental principle, application scope, advantages and disadvantages, and construction procedures of the GTD technology, and systematically compared and analyzed the current status of research and engineering application cases of GTD technology at home and abroad. Then the development trend and application prospect of this technology in China were also proposed. It is expected to provide beneficial information for in situ thermal treatment of organic contaminated soil in China.
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Schematic diagram of in-situ gas thermal desorption technology
Schematic diagram of material transport process in organic contaminated soil
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