논문 상세보기
pp.505-513
Asbestos contaminated soil remediation was performed depending on wind velocity and water content using a wind remediation treatment device. The soil samples were collected from upland and paddy soil near inactive asbestos mine and 8% wollastonite was applied instead of asbestos due to health hazard. The wollastonite in soil was analyzed by scanning electron microscopy (SEM) combined with energy dispersive spectrometer (EDS). With 8 m/s of wind velocity, 86% and 92.8% of wollastonite in upland soil and paddy soil were releasable, respectively. When distance from air blast module in the device was 1 ~ 1.5 m, the removal efficiency was highly significant. The removal efficiency decreased as increased as the distance. The releasable wollastonite was significantly affected by water content rather than wind velocity, and this tendency was pronounced with paddy soil. With 0% water content, the correlation between distance and residual amount of wollastonite was low, while the removal efficiency of wollastonite was the highest. Consequently, the removal efficiency of wollastonite was increased with high wind velocity and low water content. For the effective asbestos contaminated soil remediation based on this study, controlling equipment for wind velocity and water content requires in pilot-scale plant and additionally enough air injection and sufficient volume of dust collection module are necessary.
I. 서 론
II. 연구방법
1. 석면 비산 장치의 제작
2. 시료
3. 실험방법
4. 분석 방법
III. 결과 및 고찰
1. 적정 규회석 농도의 산정
2. 풍속에 따른 실내 시험 결과
3. 함수율에 따른 실내 시험 결과
3. Pilot-scale의 장치 제작을 위한 조건 제언
IV. 결 론
사 사
References
