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MASS TRANSFER MODEL OF SOIL VAPOR EXTRACTION UNDER THERMAL TREATMENT FOR REMOVING A VOLATILE CONTAMINANT

文献类型：期刊论文

作者Li, Peng1,2; Liao, Xiaoyong1; Yan, Xiulan1; Ma, Dong1; Cui, Xiaoyong2; Tao, Huan1
刊名ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL
出版日期2018
卷号17期号:1页码:107-114
ISSN号1582-9596
关键词mass transfer model soil vapor extraction thermal treatment volatile contaminant
英文摘要A series of column experiments were conducted to study volatile contaminant (benzene) removal and process principles using soil vapor extraction (SVE) under different thermal conditions. Compared with the normal SVE method, two thermal methods-steam injection and electrical resistance heating effectively increased the benzene vapor diffusion and removal rates. The removal efficiency of benzene with the electrical resistance heating method was 96.5%, which was significantly higher than that with the steam injection method (90.5%, p=0.002) or with the normal SVE method (85.2%, p=0.001). In addition, SVE with electrical resistance heating showed a more stable heating effect than SVE with steam injection in homogeneous sandy soil. Based on existing equilibrium SVE models, we established a one-dimensional non-equilibrium mass transfer model for estimating volatile contaminant removal under thermal enhancement. The improved model can accurately reflect benzene content variations using SVE with electrical resistance heating and provides a theoretical basis for preliminary site remediation assessments using SVE under continuous thermal treatment.
WOS关键词REMEDIATION ; HYDROCARBONS ; ENHANCEMENT ; SYSTEMS
资助项目National High-Tech Research Development Program of China (863)[2009AA063102] ; National High-Tech Research Development Program of China (863)[2012AA06A201] ; National Key Technology RD Program[2012BAC10B00]
WOS研究方向Environmental Sciences & Ecology
语种英语
出版者GH ASACHI TECHNICAL UNIV IASI
WOS记录号WOS:000426072600012
源URL[http://ir.igsnrr.ac.cn/handle/311030/57010]  
专题中国科学院地理科学与资源研究所
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Li, Peng,Liao, Xiaoyong,Yan, Xiulan,et al. MASS TRANSFER MODEL OF SOIL VAPOR EXTRACTION UNDER THERMAL TREATMENT FOR REMOVING A VOLATILE CONTAMINANT[J]. ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL,2018,17(1):107-114.
APA Li, Peng,Liao, Xiaoyong,Yan, Xiulan,Ma, Dong,Cui, Xiaoyong,&Tao, Huan.(2018).MASS TRANSFER MODEL OF SOIL VAPOR EXTRACTION UNDER THERMAL TREATMENT FOR REMOVING A VOLATILE CONTAMINANT.ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL,17(1),107-114.
MLA Li, Peng,et al."MASS TRANSFER MODEL OF SOIL VAPOR EXTRACTION UNDER THERMAL TREATMENT FOR REMOVING A VOLATILE CONTAMINANT".ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL 17.1(2018):107-114.

入库方式： OAI收割

来源：地理科学与资源研究所

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