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자료유형
학술저널
저자정보
안해영 (세종대학교 토목환경공학과) 송지현 (세종대학교) 이윤경 (세종대학교)
저널정보
한국냄새환경학회 실내환경 및 냄새 학회지 실내환경 및 냄새 학회지 제17권 제4호
발행연도
2018.1
수록면
372 - 380 (9page)

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To abate the problem of odor from restaurants, a hybrid adsorbent consisting of organic and inorganic materialswas developed and evaluated using acetaldehyde as a model compound was deveioped and evaluated. Powdersof activated carbon, bentonite, and calcium hydroxide were mixed and calcinated to form adsorbent structure. Thesurface area of the hybrid adsorbent was smaller than that of high-quality activated carbon, but its microscopicimage showed that contours and pores were developed on its surface. To determine its adsorption capacity, bothbatch isotherm and continuous flow column experiments were performed, and these results were compared withthose using commercially available activated carbon. The isotherm tests showed that the hybrid adsorbent had acapacity 40 times higher than that of the activated carbon. In addition, the column experiments revealed thatbreakthrough time of the hybrid adsorbent was 2.5 times longer than that of the activated carbon. Theseexperimental results were fitted to numerical simulations by using a homogeneous surface diffusion model(HSDM); the model estimated that the hybrid adsorbent might be able to remove acetaldehyde at a concentrationof 40 ppm for a 5-month period. Since various odor compounds are commonly emitted as a mixture when meatis barbecued, it is necessary to conduct a series of experiments and HSDM simulations under various conditionsto obtain design parameters for a full-scale device using the hybrid adsorbent.

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