Integrated approach to the management of soil vapor extraction process토양증기추출공정의 통합적 관리방안에 관한 연구

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dc.contributor.advisorYang, Ji-Won-
dc.contributor.advisor양지원-
dc.contributor.authorCho, Hyun-Jeong-
dc.contributor.author조현정-
dc.date.accessioned2011-12-13T01:36:08Z-
dc.date.available2011-12-13T01:36:08Z-
dc.date.issued2003-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=231082&flag=dissertation-
dc.identifier.urihttp://hdl.handle.net/10203/28915-
dc.description학위논문(박사) - 한국과학기술원 : 생명화학공학과, 2003.8, [ x, 89 p. ]-
dc.description.abstractRecently, the contamination of soil and groundwater by leakage from underground storage tanks (USTs) has gained increased interest. Generally, petroleum is composed of hundreds of components including BTEX (benzene, toluene, ethylbenzene, and xylene), the representative contaminants. For relevant management, more studies on the behavior of multi-component contaminants are necessary. However, it has not been studied extensively until these days. This dissertation researched the remediation process evaluation method based on leaching potential and monitoring technology for an integrated and reasonable management of the soil vapor extraction (SVE) process. Firstly, a simple and cost-effective risk-based process evaluation method was suggested by introducing Raoult’s law for predicting the leaching potential as well as the volatilization of multicomponent contaminants. Then, the risk-reduction characteristics during the SVE were discussed based on the leaching potential. From the experimental results, it was found that the equilibrium model and Raoult’s law had some limitations in predicting the vaporization and the leaching potential at the latter part of the SVE process. Therefore, a series of experiments were conducted to complement these limitations and understand the behavior of the contaminants. The effect of the amount of NAPLs on the leaching potential was investigated by varying the NAPLs to water ratio. The effect of soil structure, organic content, and particle size was compared to characterize the mass transfer during the SVE process. In addition, a proper monitoring technique is required to perform an efficient process management. In the present work, both effluent gas monitoring and groundwater monitoring methods were investigated. By using a ceramic gas sensor for the effluent gas monitoring, a fast and cost-effective understanding of the status of the SVE process was possible. Moreover, it is expected that this method can be used as an alternativ...eng
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectRisk Assessment-
dc.subjectPetroleum Contaminated Soil-
dc.subjectSoil Vapor Extraction-
dc.subjectSoil and Groundwater Monitoring-
dc.subject토양 및 지하수 모니터링-
dc.subject위해도 평가-
dc.subject유류오염토양-
dc.subject토양증기추출공정-
dc.titleIntegrated approach to the management of soil vapor extraction process-
dc.title.alternative토양증기추출공정의 통합적 관리방안에 관한 연구-
dc.typeThesis(Ph.D)-
dc.identifier.CNRN231082/325007 -
dc.description.department한국과학기술원 : 생명화학공학과, -
dc.identifier.uid000985839-
dc.contributor.localauthorYang, Ji-Won-
dc.contributor.localauthor양지원-
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