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논문 기본 정보

자료유형
학술저널
저자정보
윤정희 (이화여자대학교) 조경숙 (이화여자대학교) 서윤주 (이화여자대학교 환경공학과) 장시내 (이화여자대학교 환경공학과)
저널정보
한국냄새환경학회 실내환경 및 냄새 학회지 실내환경 및 냄새 학회지 제18권 제1호
발행연도
2019.1
수록면
44 - 54 (11page)

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This study was conducted to determine the absorption properties of silicone oil, liquid paraffin, and silicone rubberas absorbents for hydrophobic volatile organic compounds (VOCs) mainly emitted from the printing and publishingindustry through VOCs absorption efficiency and partition coefficient. Also, changes in absorbability were testedthrough blending of absorbents and load of target VOCs mixtures. The results obtained can be used as fundamentaldata to choose an appropriate absorbent. All of the three absorbents showed an excellent absorption efficiency ofabove 98% for each 5 wt% load of the target VOCs including toluene, xylene, methyl ethyl ketone (MEK),isopropyl alcohol (IPA), 1,2,4-trimethylbenzene (124-TMB), and n-Nonane. In terms of toluene load, all absorbentsshowed good absorption efficiency of above 95% to a high load of 15 wt%. The air-absorbent partition coefficientof each target compound (P value) exhibited the highest value of 9.8 × 10−5 for 124-TMB in silicone rubber andthe lowest value of 1.6 × 10−2 for IPA in liquid paraffin. These results indicate that the target VOCs had high affinityfor the three absorbents. Absorption efficiency for the target VOCs at various absorbent blending ratios using threekinds of absorbents was improved to 99.9% regardless of the absorbent type or blending ratio. This result suggeststhat the shortcomings of single absorbents can be overcome through absorbent blending, enabling cost reductionand applicability to a dry-type treatment process. In treatment for mixture of the target VOCs to mimic an actualVOCs treatment, the absorption performances of silicone oil showed an absorption efficiency of 99% for 16 wt%of total VOCs load. These results indicated that silicone oil could be considered as a good absorbent.

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