Abstract
The authors study the effect of the content of zeolite ZSM-22 (15–70 wt %) in a support on the physicochemical properties of Pt/ZSM-22–Al2O3 catalysts. The dependence of the yield and composition of sunflower oil hydrodeoxygenation products on these catalysts on the temperature (310–340°C), pressure (3‒5 MPa), and weight hourly space velocity (WHSV) (0.8–3 h−1) is determined. The possibility is shown of the full hydrodeoxygenation of sunflower oil with the formation of C5+ hydrocarbons containing up to 72% of iso-paraffins with yields of 75–79 wt %.
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ACKNOWLEDGMENTS
The authors are grateful to engineers L.A. Buluchevskaya and E.N. Kudrya, junior researcher I.V. Muromtsev, researchers R.R. Izmailov and A.V. Babenko, and first-category electrical engineer S.N. Evdokimov for their work in studying the catalysts and the composition of liquid products in the sunflower oil hydrodeoxygenation process.
Our physicochemical studies were performed on equipment at the Boreskov Institute’s National Center for the Investigation of Catalysts.
Funding
This work was supported by the Russian Federation Ministry of Science and Higher Education within the governmental assignment for Boreskov Institute of Catalysis (project AAAA-A21-121011890075-1).
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Translated by E. Glushachenkova
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Nepomnyashchii, A.A., Saibulina, E.R., Buluchevskiy, E.A. et al. Physicochemical and Catalytic Properties of Bifunctional Catalysts with Different Contents of Zeolite ZSM-22 in the Hydrodeoxygenation of Sunflower Oil. Catal. Ind. 16, 161–169 (2024). https://doi.org/10.1134/S2070050424700065
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DOI: https://doi.org/10.1134/S2070050424700065