The hydrogenation of maleic anhydride to γ-butyrolactone using mixed metal oxide catalysts in a batch-type reactor |
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| Affiliation: | 1. Hydrogen Separation and Storage Research Center, Korea Institute of Energy Research, 71-2 Jang-Dong, Yuseong-ku, Daejon 305-343, Korea;2. Separation Process Research Center, Korea Institute of Energy Research, 71-2 Jang-Dong, Yuseong-ku, Daejon 305-343, Korea;1. Université de Poitiers, CNRS UMR 7285 IC2MP, Institut de Chimie des Milieux et des Matériaux de Poitiers, 4 rue Michel Brunet, 86022 Poitiers Cedex, France;2. IRCELYON, Institut de recherches sur la catalyse et l’environnement de Lyon, UMR 5256 CNRS-Université Lyon1, 2 avenue Albert Einstein, 69626 Villeurbanne, France;1. Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China;2. Department of Chemical Engineering, Columbia University, New York, NY 10027, USA;3. Chemistry Department, Brookhaven National Laboratory, New York, NY 11973, USA;1. Centre for Nano and Material Sciences, JAIN University, Jain Global Campus, Kanakapura, Ramanagaram, Bangalore, 562112, Karnataka, India;2. Catalysis & Fine Chemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, Telangana, India |
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| Abstract: | An improved catalytic hydrogenation process for converting maleic anhydride and/or succinic anhydride to γ-butyrolactone uses a novel selective catalyst in a liquid phase operating at high pressure batch-type reactor. The catalysts are composed of palladium, molybdenum and nickel on a silica support of high surface area. This multi-component mixed metal oxide catalyst system in a batch-type reactor is found to be suitable for the hydrogenation of maleic anhydride selectively to γ-butyrolactone. The effects of temperature, pressure and catalyst to reactant ratio are investigated in order to optimize the reaction conditions for better activity, yield and selectivity. A reaction temperature of 220 to 260 °C and pressure of 60 to 80 atm were afforded, the mixed metal oxide catalyst containing nickel, palladium and molybdenum oxide is shown almost 100% conversion of maleic anhydride within 120 min and 56–96% yield of γ-butyrolactone. The hydrogenation of maleic anhydride using this catalyst is not observed by-products and the selectivity of γ-butyrolactone is very high. |
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