Sulfonic Acid-functionalized MCM-41 for Transesterification of Triacetin with Methanol

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (5): 1138.

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Sulfonic Acid-functionalized MCM-41 for Transesterification of Triacetin with Methanol

CAO Ying-Yu^1,2, WANG Ya-Quan^1*, HAO Jin-Ku²

1. Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. College of Chemistry, Tianjin Normal University, Tianjin 300387, China 2. College of Chemistry, Tianjin Normal University, Tianjin 300387, China

Received:2010-07-09 Revised:2010-11-26 Online:2011-05-10 Published:2011-04-11
Contact: WANG Ya-Quan E-mail:yingyu_cao@yahoo.com.cn
Supported by:
国家“八六三”计划项目(批准号: 2007AA05Z104)资助.

Abstract

Abstract: A series of sulfonic acid-functionalized MCM-41 catalysts have been synthesized through coating and polymerization of the furfuryl alcohol on the pore walls, and then sulfonated in the presence of sulfuric acid at different temperatures. The catalysts are characterized by Nitrogen adsorption measurements using the procedure according to Brunauer, Emmet and Taller (BET), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Fourier transform Infrared resonance spectroscopy (FTIR), and studied for the transesteri?cation of triacetin with methanol as a model reaction for biodiesel production. The results show that a number of sulfonic groups attach on the pore walls with the mesopores of MCM-41 not being damaged; the catalysts show very high activity and selectivity in the transesteri?cation reaction, and the SO3H-MCM-41(200 oC) exhibits the highest triacetin conversion(99.4%)after 300 min which has the same activity as H2SO4, the selectivity of methy acetate and glycerol is 71.5% and 17.4% after 180 min, respectively.

Key words: Transesteri?cation, Triacetin, MCM-41, sulfonic acid-functionalized MCM-41, Biodiese

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CAO Ying-Yu, WANG Ya-Quan*, HAO Jin-Ku. Sulfonic Acid-functionalized MCM-41 for Transesterification of Triacetin with Methanol[J]. Chem. J. Chinese Universities, 2011, 32(5): 1138.

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Sulfonic Acid-functionalized MCM-41 for Transesterification of Triacetin with Methanol

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