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Conversion of ethanol into hydrocarbon components of fuels in the presence of Pd-Zn-containing catalysts |
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| Authors: | A V Chistyakov M A Gubanov V Yu Murzin P A Zharova M V Tsodikov V V Kriventsov A E Gekhman I I Moiseev |
| Institution: | 1. A. V. Topchiev Institute of Peterochemical Synthesis, Russian Academy of Sciences, 29 Leninsky prosp., 119991, Moscow, Russian Federation 2. National Research Center “Kurchatovskii Institut,”, 1 pl. Akad. Kurchatova, 123182, Moscow, Russian Federation 3. G. K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, 5 prosp. Akad. Lavrent’eva, 630090, Novosibirsk, Russian Federation 4. N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky prosp., 119991, Moscow, Russian Federation |
| Abstract: | The features of ethanol conversion into hydrocarbons C4-C12 in the presence of the novel catalyst Pd-Zn/γ-alumina and pilot zeolite system Pd-Zn/MFI/γ-alumina were studied (MFI is high-siliceous zeolite with ZSM-5 type structure). The structure of active sites changes noticeably in the course of preliminary activation and catalytic reaction. High selectivity and stability of the zeolite-containing Pd-Zn catalyst in alcohol conversion into hydrocarbon components of fuels is related to the stable composition of the alloy that forms clusters PdZn. At the same time, the alumina-based catalyst loses stability due to zinc diffusion from the alloy into γ-Al2O3 to form the spinel structure. |
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