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Received November 12, 2010
Accepted December 20, 2010
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상이한 흡착 능을 가진 두 가지 활성탄의 적정 배합 비를 결정하는 방법
A Determination Method of Optimum Combination Ratio of Two Kind Activated Carbon with Different Adsorbability
(주)동양탄소, 330-881 천안시 수신면 발산리 355 1충남대학교 화학공학과, 305-764 대전시 유성구 궁동 220
Dongyang Carbon Co. Ltd, 330-881 365 Balsan-ri, Susin-myeon, Chunan-si, Chungram 330-881, Korea 1School of Applied Chemistry and Biological Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, Korea
bsrhee@cnu.ac.kr
Korean Chemical Engineering Research, August 2011, 49(4), 456-459(4), NONE Epub 3 August 2011
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Abstract
본 연구는 흡착 능이 서로 다른 두 가지 활성탄을 혼합하여 최적의 흡착 능을 발휘코자 혼합할 때 그들의 최적혼합비를 구하는 방법을 제시하고자 하였다. 활성탄의 세공특성과 흡착 능은 BET-분석에 의해 얻어지는 흡착등온곡선으로 판별하며 이는 역시 흡착필터설계의 기본적 정보를 제공한다. 따라서 고도의 BET-model의 흡착 능을 보이는 석탄 계 활성탄과 낮은 Langmuir-model을 보이는 야자각계 활성탄의 혼합하는 extreme case와, 고, 저 비표면적을 가진 두 가지 활성탄을 혼합하는 middle case 및 전, 후 case의 상호 교차 배합하는 cross case 등, 3가지 시험을 수행했으며, 이를 위해 시판 품 외에 국내 한 공인 연구소가 연구용시료로서 제공한 고비표면적의 두 가지 활성탄에도 적용하여 본 방법의 타당성을 확인하였다.
Among the various activated carbons available in the market, an optimum mixing method of two kind activated carbons with different adsorbability was investigated in this study. The representative adsorption behaviors of the activated carbon are the adsorption isotherm plots obtained by the BET-Analysis which suggests also basic information of adsorption filter design. So we have tested three cases with certifications, the one was the extreme case of coal cokes_x000D_
based activated carbon with highest BET-model and coconut-shell based activated carbon with the lowest Langmuirmodel, the other middle and cross case were applied this method to two kinds of activated carbons with higher and lower specific surface areas which are not available but supplied as research samples by an authority of an Korean Research Institute.
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Prinsloo JJ, Vanberge PC, Zlotnick J, J. Catalysis., 32, 466 (1974)
Kobajashi KL, Chem. Industry., 12, 14 (1961)
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Otowa T, Yamada M, et al, Intern. Symp. Gas Sep.Technol. Antwerp Belgium. (1988)
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