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논문 기본 정보

자료유형
학술저널
저자정보
오승택 ([주]오이코스) 오참뜻 ([주]오이코스) 김국진 ([주]오이코스) 석소희 (한국철도공사) 김철경 (목원대학교 신소재화학공학과) 임진환 (광운대학교 환경공학과) 유재봉 (광운대학교 환경공학과) 장윤영 (광운대학교 환경공학과)
저널정보
한국지하수토양환경학회 지하수토양환경 지하수토양환경 제17권 제4호
발행연도
2012.1
수록면
44 - 50 (7page)

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A new type of chemical oxidation technology utilizing micro bubble ozone oxidizer and a pneumatic fracturing equipment was developed to enhance field applicability of a traditional chemical oxidation technology using hydrogen peroxide as an oxidizer for in-situ soil remediation. To find an efficient way to dissolve gaseous ozone into hydrogen peroxide, ozone was injected into water as micro bubble form then dissolved ozone concentration and its duration time were measured compared to those of simple aeration of gaseous ozone. As a result, dissolved ozone concentration in water increased by 31% (1.6 ppm ${\rightarrow}$ 2.1 ppm) and elapsed time for which maximum ozone concentration decreased by half lengthened from 9 min to 33 min. When the developed pneumatic fracturing technology was applied in sandy loam, cracks were developed and grown in soil for 5~30 seconds so that the radius of influence got longer by 71% from 392 cm to 671 cm. The remediation system using the micro bubble ozone oxidizer and the pneumatic fracturing equipment for field application was made and demonstrated its remediation efficiency at petroleum contaminated site. The system showed enhanced remediation capacity than the traditional chemical oxidation technology using hydrogen peroxide with reduced remediation time by about 33%.

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