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Remediation of soil contaminated by Trichloroethylene and Nitrate using Electrokinetic/Iron wall-enhanced process : Trichloroethylene과 질산성 질소로 오염된 토양의 동전기 공법과 철을 이용한 복원 원문보기

  • 저자

    정필재

  • 학위수여기관

    고려대학교 대학원

  • 학위구분

    국내박사

  • 학과

    토목환경공학과

  • 지도교수

  • 발행년도

    2004

  • 총페이지

    ⅵ, 56p.

  • 키워드

    Trichloroethylene Nitrate Remediation of soil;

  • 언어

    eng

  • 원문 URL

    http://www.riss.kr/link?id=T10074228&outLink=K  

  • 초록

    In this study, electrokinetic/iron wall-enhanced process was investigated respectively to remediate TCE-contaminated soil and nitrate-contaminated soil. Column experiments were carried out to observe the reduction of TCE and nitrate. With only electrokinetics, 41.4% of nitrate-nitrogen was transformed. The amount of transformed nitrate-nitrogen increased when an iron and sand mixture wall was placed, and 95% of nitrate-nitrogen was transformed. The mass recovery for EKT was calculated 80.2% of the total initial mass in soil specimen. In case of EKTF, the mass recovery was calculated 18.3%. If the condition of EKTF is similar to EKT except for the installation of iron wall, it is expected that 61.9% of TCE was be reduced by zero-valent iron. This study shows that electrokinetic/iron-enhanced process can be used efficiently for in-situ remediation of nitrate-contaminated or TCE-contaminated soil.


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