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Catalysts 2012, 2(1), 68-84; doi:10.3390/catal2010068
Article

One-Pot Liquid-Phase Catalytic Conversion of Ethanol to 1-Butanol over Aluminium Oxide—The Effect of the Active Metal on the Selectivity

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1 Laboratory of Industrial Chemistry and Reaction Engineering, Process Chemistry Centre, Åbo Akademi University, Turku-Åbo FI-20500, Finland 2 Helsinki Metropolia University of Applied Sciences, P.O. Box 4000 (Bulevardi 31), Metropolia FI-00079, Finland 3 Microelectronics and Materials Physics Laboratories, Department of Electrical and Information Engineering, University of Oulu, P.O. Box 4500, FI-90014, Finland 4 Applied and Environmental Chemistry Department, University of Szeged, Szeged 6723, Rerrich Béla tér 1, Hungary 5 Department of Chemistry, Technical Chemistry, Chemical-Biological Center, Umeå University, Umeå 90187, Sweden
* Author to whom correspondence should be addressed.
Received: 21 September 2011 / Revised: 24 November 2011 / Accepted: 4 January 2012 / Published: 13 January 2012
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Abstract

Direct catalytic valorization of bioethanol to 1-butanol over different alumina supported catalysts was studied. Thirteen (13) heterogeneous catalysts were screened in search for the optimal material composition for direct one-pot conversion of ethanol to 1-butanol. For the most promising catalyst, a 25% ethanol conversion with 80% selectivity (among liquid carbon products) to 1-butanol could be reached at 250 °C. Additionally, the reaction kinetics and mechanisms were further investigated upon use of the most suitable catalyst candidate.
Keywords: heterogeneous catalyst; one-pot; bioethanol; 1-butanol; alumina heterogeneous catalyst; one-pot; bioethanol; 1-butanol; alumina
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Riittonen, T.; Toukoniitty, E.; Madnani, D.K.; Leino, A.-R.; Kordas, K.; Szabo, M.; Sapi, A.; Arve, K.; Wärnå, J.; Mikkola, J.-P. One-Pot Liquid-Phase Catalytic Conversion of Ethanol to 1-Butanol over Aluminium Oxide—The Effect of the Active Metal on the Selectivity. Catalysts 2012, 2, 68-84.

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