| Issue |
Korean Journal of Chemical Engineering,
Vol.24, No.3, 397-402, 2007
Vol.24, No.3, 397-402, 2007
Synthesis of nanocrystalline alumina by thermal decomposition of aluminum isopropoxide in 1-butanol and their applications as cobalt catalyst support
Nanocrystalline alumina powders were prepared by thermal decomposition of aluminum isopropoxide (AIP) in 1-butanol at 300 ℃ for 2 h and employed as cobalt catalyst supports. The crystallization of alumina was found to be influenced by the concentration of AIP in the solution. At low AIP content, wrinkled sheets-like structure of γ-Al2O3 was formed, while at high AIP concentrations, fine spherical particles of χ-Al2O3 were obtained. It was found that using these fine particles alumina as cobalt catalyst supports resulted in much higher amounts of cobalt active sites measured by H2 chemisorption and higher CO hydrogenation activities.
Keywords:
Nanocrystalline Alumina; Thermal Decomposition; Cobalt Catalyst; Solvothermal Method; CO Hydrogenation
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[Cited By]
- Jeong CM, Choi JDR, Ahn Y, Chang HN, Korean Journal of Chemical Engineering, 25(3), 535, 2008
- Chun BH, Kang HU, Kim SH, Korean Journal of Chemical Engineering, 25(5), 966, 2008
- Wang Y, Hou B, Chen J, Jia L, Li D, Sun Y, Korean Journal of Chemical Engineering, 26(3), 850, 2009
- Koo SJ, Ju CS, Korean Journal of Chemical Engineering, 33(12), 3511, 2016
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