세라믹 가스센서를 이용한 토양증기추출공정의 배출가스 모니터링 기법연구

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The goals of environmental monitoring are to locate and quantify the significant contamination, estimate the fate and transport, estimate the potential exposure and risks to humans and the environment, and track the performance of various remedial technologies. In this study, ceramic gas sensor system is proposed to enhance the effectiveness of soil vapor extraction (SVE) process by monitoring the effluent gas. SVE is a technique that is widely used to remediate unsaturated soils contaminated with volatile organic contaminants. The sensor response for benzene, toluene, and xylene, the representative effluent gas compositions of SVE process, was evaluated using the proposed sensor system. As a result, it was verified that the response of sensor was increased or decreased very sensitively according to the change of the effluent gas concentration. Besides, the sensor could detect the difference over a wide range of concentration and it was more sensitive in order of xylene, toluene, and benzene. It is expected that this VOC analysis method results in field monitoring costs saying and appropriate immediate action for process control. More detailed experiments are being conducted in our research group.
Publisher
한국지하수토양환경학회
Issue Date
2002-09-01
Language
KOR
Citation

한국지하수토양환경학회 2002년도 추계학술발표회 , pp.0 - 0

URI
http://hdl.handle.net/10203/137369
Appears in Collection
CBE-Conference Papers(학술회의논문)
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