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  The Role of the Hydrogen Source on the Selective Production of γ-Valerolactone and 2-Methyltetrahydrofuran from Levulinic Acid

Obregón, I., Gandarias, I., Al Shaal, M. G., Mevissen, C., Arias, P. L., & Palkovits, R. (2016). The Role of the Hydrogen Source on the Selective Production of γ-Valerolactone and 2-Methyltetrahydrofuran from Levulinic Acid. ChemSusChem, 9(17), 2488-2495. doi:10.1002/cssc.201600751.

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Obregón, Iker1, Author
Gandarias, Inaki1, Author
Al Shaal, Mohammad Ghith2, Author              
Mevissen, Christian3, Author
Arias, Pedro L.1, Author
Palkovits, Regina3, 4, Author              
Affiliations:
1Chemical and Environmental Engineering Department, University of the Basque Country (UPV/EHU), Alameda Urquijo s/n, Bilbao, Spain, ou_persistent22              
2Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
3Chair for Heterogeneous Catalysis and Chemical Technology, Institut für Technische und Makromolekulare Chemie, RWTH, Aachen University, Worringerweg 1, Aachen, Germany, ou_persistent22              
4Research Group Palkovits, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445615              

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Free keywords: 2-methyltetrahydrofuran, biofuel, heterogeneous catalyst, hydrogenation, levulinic acid
 Abstract: A mechanistic study of the hydrogenation reaction of levulinic acid (LA) to 2-methyltetrahydrofuyran (MTHF) was performed using three different solvents under reactive H2 and inert N2 atmospheres. Under the applied reaction conditions, catalytic transfer hydrogenation and hydrogenation with molecular H2 were effective at producing high yields of γ-valerolactone. However, the conversion of this stable intermediate to MTHF required the combination of both hydrogen sources (the solvent and the H2 atmosphere) to achieve good yields. The reaction system with 2-propanol as solvent and Ni–Cu/Al2O3 as catalyst allowed full conversion of LA and a MTHF yield of 80  after 20 h reaction time at 250 °C and 40 bar of H2 (at room temperature). The system showed the same catalytic activity at LA feed concentrations of 5 and up to 30 wt, and also when high acetone concentration at the beginning of the reaction were added, which confirmed the potential industrial applications of this solvent/catalyst system.

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Language(s): eng - English
 Dates: 2016-08-022016-09-08
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: DOI: 10.1002/cssc.201600751
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Title: ChemSusChem
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 9 (17) Sequence Number: - Start / End Page: 2488 - 2495 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/1864-5631