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Title: Solid sulfonic acid catalysts based on porous carbons and carbonsilica composites
Authors: Tian, X.N.
Luo, L.
Jiang, Z.
Zhao, X.S. 
Keywords: carbonsilica composites
Mesoporous carbon
sulfonic acid catalyst
Issue Date: Dec-2011
Citation: Tian, X.N., Luo, L., Jiang, Z., Zhao, X.S. (2011-12). Solid sulfonic acid catalysts based on porous carbons and carbonsilica composites. Surface Review and Letters 18 (6) : 229-239. ScholarBank@NUS Repository.
Abstract: Mesoporous carbons prepared using a templating method under different carbonization temperatures are sulfonated with concentrated H 2SO 4. Without the moving of silica template carbonsilica composites were prepared, which can maintain the pore structure well during sulfonation reaction process. The resultant samples are characterized using nitrogen adsorption, transmission electron microscope, field-emission scanning electron microscope, X-ray diffraction, X-ray photoelectron spectroscopy, and elemental analysis techniques. The catalytic performances of the sulfonated carbons and composites are evaluated by esterification reaction of methanol with acetic acid. The results show that a low-temperature carbonization process is favorable for improving the reaction conversion of acetic acid. In addition, the sulfonated carbonsilica composites show a higher acetic acid conversion than the sulfonated mesoporous carbons. © 2011 World Scientific Publishing Company.
Source Title: Surface Review and Letters
ISSN: 0218625X
DOI: 10.1142/S0218625X11014606
Appears in Collections:Staff Publications

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