Synthesis of TiO 2 –ZrO 2 Mixed Oxides via the Alginate Route: Application in the Ru Catalytic Hydrogenation of Levulinic Acid to Gamma-Valerolactone

Agnieszka M. Ruppert, Pierre Agulhon, Jacek Grams, Malgorzata Wąchała, Joanna Wojciechowska, Dariusz Świerczyński, Thomas Cacciaguerra, Nathalie Tanchoux and Francoise Quignard
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Agnieszka M. Ruppert: Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924 Łódź, Poland
Pierre Agulhon: Institute Charles Gerhardt Montpellier, Matériaux Avancés pour la Catalyse et la Santé UMR 5253, Univ. Montpellier, CNRS, ENSCM, 240 avenue du Professeur Emile Jeanbrau-34296 Montpellier CEDEX 5, France
Jacek Grams: Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924 Łódź, Poland
Malgorzata Wąchała: Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924 Łódź, Poland
Joanna Wojciechowska: Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924 Łódź, Poland
Dariusz Świerczyński: Institute Charles Gerhardt Montpellier, Matériaux Avancés pour la Catalyse et la Santé UMR 5253, Univ. Montpellier, CNRS, ENSCM, 240 avenue du Professeur Emile Jeanbrau-34296 Montpellier CEDEX 5, France
Thomas Cacciaguerra: Institute Charles Gerhardt Montpellier, Matériaux Avancés pour la Catalyse et la Santé UMR 5253, Univ. Montpellier, CNRS, ENSCM, 240 avenue du Professeur Emile Jeanbrau-34296 Montpellier CEDEX 5, France
Nathalie Tanchoux: Institute Charles Gerhardt Montpellier, Matériaux Avancés pour la Catalyse et la Santé UMR 5253, Univ. Montpellier, CNRS, ENSCM, 240 avenue du Professeur Emile Jeanbrau-34296 Montpellier CEDEX 5, France
Francoise Quignard: Institute Charles Gerhardt Montpellier, Matériaux Avancés pour la Catalyse et la Santé UMR 5253, Univ. Montpellier, CNRS, ENSCM, 240 avenue du Professeur Emile Jeanbrau-34296 Montpellier CEDEX 5, France

Energies, 2019, vol. 12, issue 24, 1-14

Abstract: In this work, high surface area mono- and binary oxide materials based on zirconia and titania synthetized via the alginate route were applied as supports of ruthenium catalysts used in levulinic acid hydrogenation towards γ–valerolactone. The physicochemical properties of the catalysts were investigated using surface (like time-of-flight secondary ion mass spectrometry (ToF-SIMS), transmission electron microscopy (TEM)) and bulk techniques (temperature-programmed reduction (TPR), X-ray diffraction (XRD)). The obtained results exhibited that the proposed synthesis method allows for modification of the shape, morphology, and surface properties of the studied materials. These catalysts were tested in levulinic acid hydrogenation, in which catalytic support is known to be crucial. The results revealed that the titania-supported catalyst was the most active in the reaction mentioned above, while the highest mechanical stability was observed for zirconia-supported materials.

Keywords: alginate synthesis route; TiO 2 –ZrO 2; Ru catalysts; biomass; gamma-valerolactone; levulinic acid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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