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Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received June 20, 2008
Accepted July 2, 2008

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Catalytic synthesis of thiophene from the reaction of n-butanol and carbon disulfide over K2CO3-promoted Cr2O3/γ-alumina catalyst

Qi Feng Li Chen Guang Liu¹ Jae Chang Kim^†

Catalyst Engineering Laboratory, Department of Chemical Engineering, Kyungpook National University, 1370 Sankyuk-dong, Buk-gu, Daegu 702-701, Korea ¹Key Laboratory of Catalysis, CNPC, College of Chemistry & Chemical Engineering, University of Petroleum, Dongying, Shandong 257061, P.R. China

kjchang@mail.knu.ac.kr

Korean Journal of Chemical Engineering, January 2009, 26(1), 57-63(7), 10.1007/s11814-009-0010-4

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Abstract

The synthesis of thiophene from the reaction of n-Butanol and carbon disulfide was performed in a fixedbed reactor in the presence of promoted chromia on γ-alumina. A high selectivity to thiophene (87%) and a long lifetime of the catalyst (55 hour) was obtained at 450 ℃ with a 1 : 6 n-Butanol to carbon disulfide molar ratio and LHSV 1 h^(-1) over γ-Al2O3 promoted by 7% K2CO3 with 15% Cr2O3 loaded. The catalytic behavior of these catalysts can be attributed to their dual-functional acidity and dehydrogenating and cyclized properties.

Keywords

n-Butanol Carbon Disulfide Thiophene γ-Alumina Based Catalyst K2CO3

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