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Received May 6, 2010
Accepted June 30, 2010
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Production of egg-like silica sphere in a carbon shell and their oxidation to produce egg-tray structures with high ammonia adsorption
Sayed Hasan Razi Abdi1 2
Young Jin Kim1
Yong-Ki Park1
Songhun Yoon1
Won Choon Choi1
Hee Young Kim1
Mijeong Han3
Chul Wee Lee1†
1Green Chemistry Division, KRICT, P. O. Box 107, Daejeon 305-600, Korea 2Silicate and Catalysis Division, CSMCRI, Bhavnagar 364002, India 3Advanced Materials Division, KRICT, P. O. Box 107, Daejeon 305-600, Korea
chulwee@krict.re.kr
Korean Journal of Chemical Engineering, February 2011, 28(2), 396-401(6), 10.1007/s11814-010-0368-3
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Abstract
A simple synthesis protocol to prepare egg-like carbon-silica hybrids was developed where the size of a silica ball housed inside a carbon shell was tunable. An egg-tray type of carbon-silica hybrid was also made by the oxidation of egg-like carbon-silica hybrids. This oxidized hybrid has shown high ammonia adsorption capacity that is about 30 times more than the standard commercial adsorbent H-ZSM-5 (SiO2/Al2O3=128).
Keywords
References
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Yoon SB, Sohn K, Kim JY, Shin CH, Yu JS, Hyeon T, Adv. Mater., 14(1), 19 (2002)
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Lee JK, Han SY, Park SK, Park YK, Lee CW, Korean J. Chem. Eng., 22(1), 42 (2005)
Abdi SHR, Kim YJ, Park YK, Lee CW, Chem. Lett., 36(10), 1202 (2007)
Xu L, Zhang W, Yang Q, Ding Y, Yu W, Qian Y, Carbon., 43, 1084 (2005)
Chen J, Hamon MA, Hu H, Chen Y, Rao AM, Eklund PC, Haddon RC, Science., 282, 95 (1998)
Baleizao C, Gigante B, Garcia H, Corma A, J. Catal., 221(1), 77 (2004)
Meng QB, Fu CH, Einaga Y, Gu ZZ, Fujishima A, Sato O, Chem. Mater., 14, 83 (2002)
Yamanoto K, Plevert J, Uneme M, Tatsumi T, Micropor. Mesopor. Mater., 55, 81 (2002)
