Remediation of Dioxins-Contaminated Soil by Successive Ethanol Washing-Photodegradation
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概要
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We investigated a combined process for remediating dioxins-contaminated soil (i.e., initial concentration ≈ 9100 pg-TEQ/g) involving solvent washing followed by UV irradiation. More than 95.1% of TEQ was removed from the soil under a pseudo-first order by performing ethanol washing seven times, and the resulting TEQ removal efficiency of ethanol washing solution (i.e., initial concentration ≈ 2468.5 pg-TEQ/mL) after 16 h of UV irradiation was 99.8%. In addition, most of the PCDDs/DFs peaks disappeared based on HRGC-MS chromatography. These results indicate that the proposed ethanol washing-UV irradiation treatment can be effectively applied in remediating dioxins-contaminated soil.
- 社団法人 化学工学会の論文
- 2005-05-01
著者
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Hosomi M
Tokyo Univ. Agriculture And Technol. Koganei Jpn
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Hosomi Masaaki
Department Of Chemical Engineering Tokyo University Of Agriculture And Technology
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NAKAI Satoshi
Department of Chemical Engineering, Tokyo University of Agriculture and Technology
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Lee Byung-dae
Division Of Health Uiduk University
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Nakai Satoshi
Department Of Chemical Engineering Tokyo University Of Agriculture And Technology
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OKUTSU Shoko
Department of Chemical Engineering, Tokyo University of Agriculture and Technology
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Okutsu Shoko
Department Of Chemical Engineering Tokyo University Of Agriculture And Technology
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Nakai Satoshi
Department Of Biology Faculty Of Science Yamagata University
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