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Preparation and Catalyst Properties of S2O2-8/Al–Zn–O Solid Acid Modified by Ce |
PAN Hui1, WANG Junxia1, MENG Dawei1,2, CHENG Ming1, WANG Yongqian1, LIU Xiaoyang2, |
1.Engineering Research Center of Nano–Geo Materials of the Ministry of Education, Faculty of Materials Science and Chemical Engineering, China University of Geosciences, Wuhan 430074
2.State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012 |
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Cite this article:
PAN Hui WANG Junxia MENG Dawei CHENG Ming WANG Yongqian LIU Xiaoyang. Preparation and Catalyst Properties of S2O2-8/Al–Zn–O Solid Acid Modified by Ce. Chin J Mater Res, 2011, 25(5): 522-526.
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Abstract S2O2−8 /Al–Zn–Ce–O solid acid catalysts were synthesized by sol–gel. The structures and properties of the catalyst were characterized by means of infrared spectrum (IR), X–ray powder diffraction (XRD), thermogravimetric analysis–differential scanning calorimetry (TG/DSC) and scanning electron microscopy (SEM). The catalytic activities and reusabilities for the synthesis of n–butyl acetate from acetic acid and n-butanol were investigated. Compared with S2O2−8 /Al–Zn–O solid acid catalyst, S2O2−8 /Al–Zn–Ce–O solid acid catalyst exhibited better stability with above 94% esterification efficiency even after being used repeatedly for five times.
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Received: 23 February 2011
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Fund: Supported by the Special Fund for Basic Scientific Research of Central Colleges, China University of Geosciences (Wuhan) No.CUGL09 0227. |
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