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자료유형
학술저널
저자정보
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제23권 제1호
발행연도
2007.2
수록면
84 - 96 (13page)

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We performed the experiments to manufacture the hydrophobic 200 cells/in²-zeolite honeycomb using HY-type zeolite of Si/Al ratio of 80 for separating and removing the VOCs emitted from small and medium size-plants by adsorption and to determine the drying method for the honeycomb at 105℃ without cracking, then measured performances of the honeycomb to adsorb the benzene, o-xylene, and MEK and to desorb the benzene and MEK saturated on the honeycomb by the nitrogen gas as the desorption gas. As a results, the good honeycomb was formed and the honeycomb was not cracked when the mixing ratio of the zeolite to bentonite to methyl cellulose to polyvinyl alcohol to glycerine to water is 100 : 8.73 : 2.18 : 4.19 : 1.38 : 126 and dried the honeycomb at 105℃ for 24 hours in the drying oven. The shape of the dried honeycomb was not changed after calcination, and the compressive strengths of the honeycomb after drying and calcination were 6.7 and 0.69 ㎏/㎠, respectively. The adsorption efficiencies of the honeycomb for benzene, o-xylene, and MEK were 92~96% at the room temperature. The desorption efficiency at 180℃ was higher than that at 150℃ by 1.5~13.8% depending on the flow rate of the nitrogen gas, and it was found that desorption efficiency is higher than 85% at 180℃ and 1.0 L/min of the nitrogen gas. At 180℃ and 0.2 L/min, the concentration of the benzene and MEK in the used desorption gas are higher than 40,000 and 50,000 ppm, respectively, so it be used as the fuel for preheating the desorption gas fed into the column in desorption cycle.

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Abstract
1. 서론
2. 재료 및 방법
3. 결과 및 해석
4. 결론
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