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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.12
- 수록면
- 600 - 607 (8page)
이용수
초록· 키워드
오류제보하기
Volatile organic compounds (VOCs) are released from various sources and are unsafe for human health. Porous materials are promising candidates for the adsorption of VOCs owing to their increased ratio of surface area to volume. In this study, activated carbon (AC) impregnated cellulose acetate (CA) electrospun mats were synthesized using electrospinning for the removal of VOCs from the air mixture of ACs, and CA solution was electrospun at different proportions (5%, 10%, and 15%) in a single nozzle system. The different AC amounts in the electrospun mats were distributed within the AC fibers. The adsorption capacities were measured for acetone, benzene, and dichloromethane, using quartz crystal microbalance. The results elicited an increasing adsorption capacity trend as a function of the impregnation of ACs in the electrospun mats, while their capacities increased as a function of the AC concentration. Dichloromethane resulted in a faster adsorption process than acetone and benzene owing to its smaller molecular size. VOCs were desorbed with the N₂ gas purging, while VOCs were adsorbed at higher temperatures owing to the increased vapor pressures. The adsorption analysis using Dubinin-Astakhov equation showed that dichloromethane is more strongly adsorbed on mats.
목차
ABSTRACT
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References
참고문헌 (30)
참고문헌 신청
Dwivedi P, Gaur V, Sharma A, Verma N. Comparative study of removal of volatile organic compounds by cryogenic condensation and adsorption by activated carbon fiber. Sep. Purif. Technol. 2004;39:23-37.
Huang C, Song M, Gu Z, Wang H, Yan X. Probing the adsorption characteristic of metal-organic framework MIL-101 for volatile organic compounds by quartz crystal microbalance. Environ. Sci. Technol. 2011;45:4490-4496.
Das D, Gaur V, Verma N. Removal of volatile organic compound by activated carbon fiber. Carbon 2004;42:2949-2962.
Nugent P, Belmabkhout Y, Burd SD, et al. Porous materials with optimal adsorption thermodynamics and kinetics for CO2 separation. Nature 2013;495:1-5.
Fletcher AJ, Cussen EJ, Prior TJ, Rosseinsky MJ. Adsorption dynamics of gases and vapors on the nanoporous MOF material Ni2(4,4’-Bipyridine)3(NO3)4: Guest modification of host sorption behaviour. J. Am. Chem. Soc. 2001;123:10001-10011.
Huang C, Song M, Gu Z, Wang H, Yan X. Probing the adsorption characteristic of metal-organic framework MIL-101 for volatile organic compounds by quartz crystal microbalance. Environ. Sci. Technol. 2011;45:4490-4496.
Das D, Gaur V, Verma N. Removal of volatile organic compound by activated carbon fiber. Carbon 2004;42:2949-2962.
Nugent P, Belmabkhout Y, Burd SD, et al. Porous materials with optimal adsorption thermodynamics and kinetics for CO2 separation. Nature 2013;495:1-5.
Fletcher AJ, Cussen EJ, Prior TJ, Rosseinsky MJ. Adsorption dynamics of gases and vapors on the nanoporous MOF material Ni2(4,4’-Bipyridine)3(NO3)4: Guest modification of host sorption behaviour. J. Am. Chem. Soc. 2001;123:10001-10011.
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UCI(KEPA) : I410-ECN-0101-2019-539-000920766