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Received November 3, 2006
Accepted January 16, 2007
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Effect of framework or textural nanoporosity on the bulk morphology of mesoporous aluminas
Department of Chemical Engineering, Kwangwoon University, Wolgye-dong, Nowon-gu, Seoul 139-701, Korea 1Department of Chemical System Engineering, Keimyung University, Sindang-dong, Dalseo-gu, Daegu 704-701, Korea 2School of Chemical and Biological Engineering, Seoul National University, Shillim-dong, Gwanak-gu, Seoul 151-742, Korea
korea1@kw.ac.kr
Korean Journal of Chemical Engineering, July 2007, 24(4), 679-682(4), 10.1007/s11814-007-0025-7
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Abstract
The framework and/or textural porosity of mesoporous aluminas (MA), which have great potential for use in applications such as adsorbents and catalytic supports, is dependent on the conditions used in their preparation. The nanoporosity of MA affects their adsorption capacity and catalytic activity, and the bulk morphology of an MA is related to the development of the framework and/or textural porosity. An MA with a well-developed framework pore was found to have a smooth surface, while an MA with a well-developed textural pore had a coarse and aggregated morphology.
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References
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Rengaraj S, Kim Y, Joo CK, Yi J, J. Colloid Interface Sci., 273(1), 14 (2004)
Kim P, Kim Y, Kim H, Song IK, Yi J, Appl. Catal. A: Gen., 272(1-2), 157 (2004)
Kim P, Joo JB, Kim H, Kim W, Kim Y, Song IK, Yi J, Catal. Lett., 104(3-4), 181 (2005)
Kim Y, Lee B, Yi J, Korean J. Chem. Eng., 19(5), 908 (2002)
Kim C, Kim Y, Kim P, Yi J, Korean J. Chem. Eng., 20(6), 1142 (2003)
Kim Y, Kim P, Kim C, Yi J, Korean J. Chem. Eng., 22(2), 321 (2005)
Kim Y, Kim C, Kim P, Yi J, J. Non-Cryst. Solids, 351, 550 (2005)
Kim Y, Kim P, Kim C, Yi J, J. Mater. Chem., 13, 2353 (2003)
Brinker CJ, Scherer GW, Sol-gel science, Academic Press (1990)
Kim Y, Lee B, Yi J, Sep. Sci. Technol., 39(6), 1427 (2004)
Mericier L, Pinnavaia TJ, Adv. Mater., 9, 500 (1997)
Mesa M, Sierra L, Patarin J, Guth JL, Solid State Sci., 7, 990 (2005)
Grun M, Unger KK, Matsumoto A, Tsutsumi K, Microporous Mesoporous Mater., 27, 207 (1999)
Tanev PT, Pinnavaia TJ, Chem. Mater., 8, 2068 (1996)
Alvarez LJ, Blumenfeld AL, Fripiat JJ, J. Chem. Phys., 108(4), 1724 (1998)
