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Vol. 26 No. 16 (2014): Vol 26 Issue 16

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Synthesis of Nano-Sized Protonic Acid Catalyst and Initial Kinetic Study of Esterification Reaction of Methanol with Acetic Acid

https://doi.org/10.14233/ajchem.2014.16290
Jianjun Zhu
Department of Chemistry Engineering, Ningbo University of Technology, Ningbo 315016, P.R. China
Qiuqing Cui
Department of Chemistry Engineering, Ningbo University of Technology, Ningbo 315016, P.R. China
Jiangping Peng
Department of Chemistry Engineering, Ningbo University of Technology, Ningbo 315016, P.R. China
Li Li Zhang
Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117576, Singapore
Zhongqing Jiang
Department of Chemistry Engineering, Ningbo University of Technology, Ningbo 315016, P.R. China
Lijuan Luo
Department of Chemistry Engineering, Ningbo University of Technology, Ningbo 315016, P.R. China
Xiaoning Tian
Department of Chemistry Engineering, Ningbo University of Technology, Ningbo 315016, P.R. China

Corresponding Author(s) : Xiaoning Tian

boxertxn@hotmail.com

Asian Journal of Chemistry, Vol. 26 No. 16 (2014): Vol 26 Issue 16

Abstract

Nano-sized protonic acid catalysts were synthesized and their catalytic properties in the esterification reaction over methanol whith acetic acid were evaluated. The surface chemistry of the synthesized catalysts was investigated using solid-state magic-angle spinning nuclear magnetic resonance, X-ray photoelectron spectroscope and elemental analysis techniques (CHNS-O). The results showed that the appropriate increment of sulfonation temperature can facilitate the attachment of -SO3H groups and also benefit for the enhancement of acetic acid conversion. The initial kinetic study of esterification reaction of methanol and acetic acid, which was catalyzed by synthesized nano-sized protonic acid catalysts, indicates that only one active site was involved in the surface reaction and thus the initial reaction mechanistic paths under our reaction conditions were proposed.

Keywords

Nano-sized protonic acid catalyst Polystyrene nanospheres Esterification reaction Initial kinetic study
Zhu, J., Cui, Q., Peng, J., Li Zhang, L., Jiang, Z., Luo, L., & Tian, X. (2014). Synthesis of Nano-Sized Protonic Acid Catalyst and Initial Kinetic Study of Esterification Reaction of Methanol with Acetic Acid. Asian Journal of Chemistry, 26(16), 4988–4994. https://doi.org/10.14233/ajchem.2014.16290
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