Abstract
The influence of the active element in the alkylation catalyst as a component of a combined catalyst for the production of liquid hydrocarbons with increased triptane content from dimethyl ether was studied. A mixture of liquid hydrocarbons containing more than 8.5 wt % triptane was prepared under the optimum conditions (temperature 340°С, pressure 10 MPa, dimethyl ether weight space velocity 4 h–1) on a combined catalyst in the form of a physical mixture of catalysts (mean grain size 2–4 mm) for the synthesis of lower olefins, based on Mg-modified НZSM-5 zeolite, and for the alkylation, based on La- and Pd-modified HY zeolite.
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ACKNOWLEDGMENTS
The study was performed using the equipment of the Center for Shared Use “Analytical Center for Problems of Deep Oil Refining and Petroleum Chemistry,” Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences.
Funding
The study was performed on the base of the Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences and was financially supported by the Russian Science Foundation (project no. 17-73-30046).
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A.L. Maksimov is the Editor-in-Chief of Zhurnal Prikladnoi Khimii/Russian Journal of Applied Chemistry. The other authors declare that they have no conflict of interest.
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Matieva, Z.M., Snatenkova, Y.M., Kolesnichenko, N.V. et al. Conversion of Dimethyl Ether to a Triptane-Enriched Mixture of Liquid Hydrocarbons: Influence of Modifier and Reaction Conditions. Russ J Appl Chem 93, 1261–1269 (2020). https://doi.org/10.1134/S1070427220080200
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DOI: https://doi.org/10.1134/S1070427220080200