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Gas Phase Hydrogenation of Levulinic Acid to γ-Valerolactone

Werner Bonrath,Anna Maria Cornelia Francisca Castelijns,Johannes Gerardus de Vries, Rudolf Philippus Maria Guit,Jan Schütz,Natascha Sereinig,Henricus Wilhelmus Leonardus Marie Vaessen

Catalysis Letters（2015）

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Abstract
The gas phase hydrogenation of levulinic acid to γ-valerolactone over copper and ruthenium based catalysts in a continuous fixed-bed reactor system was investigated. Among the catalysts a copper oxide based one [50–75 % CuO, 20–25 % SiO 2 , 1–5 % graphite, 0.1–1 % CuCO 3 /Cu(OH) 2 ] gave γ-valerolactone in 93 % yield for more than 90 h constant operation. Graphical Abstract
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Key words
Gas phase hydrogenation,Levulinic acid,γ-Valerolactone,Copper catalyst
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