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논문 기본 정보

자료유형
학술저널
저자정보
최재헌 (대일이앤씨) 이환 (대일이앤씨) 이철효 (대일이앤씨) 김주엽 (대일이앤씨) 박정훈 (전남대학교 환경에너지공학과) 조영태 (전남대학교 환경에너지공학과)
저널정보
한국지하수토양환경학회 지하수토양환경 지하수토양환경 제20권 제6호
발행연도
2015.1
수록면
95 - 102 (8page)

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The purpose of this study is to compare the degradation characteristics by subcritical water of RDX contaminated soil using batch mode and dynamic mode devices. First, upon application of RDX contaminated soil, RDX treatment efficiency was increased with increasing the temperature in both modes. At 150℃, the treatment efficiency was 99.9%. RDX degradation efficiency got higher with lower ratio of solid to liquid. However, the treatment efficiency in the dynamic mode tended to be decreased at a certain ratio of solid to liquid or lower. The treatment efficiency was increased when it took longer time for the reactions in both modes. As the results of analysis on concentration of treated water after subcritical water degradation, the RDX recovery rate of dynamic and batch modes at 150℃ was 10.5% and 1.5%, respectively. However, both modes showed very similar recovery rates at 175℃ or higher. RDX degradation products were analyzed in treated water after it was treated with subcritical water. According to the results, RDX degradation mechanism was mostly oxidation reaction and reduction reaction was partially involved. Therefore, it suggested that most of RDX in soil was degraded by oxidation of subcritical water upon extraction. According to this result, it was found that both batch and dynamic modes were very effectively applied in the treatment of explosive contaminated soil.

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