Hybrid Catalysts Based on Sulfated Zirconium Dioxide and H-beta Zeolite for Alkylation of Isobutane with Isobutylene
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Physicochemical properties of new hybrid catalysts based on sulfated zirconium oxide supported by zeolite of the Beta structural type were studied. The acid-base characteristics of the catalysts are determined by the amount of the supported component, the maximum concentration of Brønsted acid centers (277 μmol g–1) is reached upon deposition of 1.7 wt % sulfated zirconium oxide. The texture characteristics of the final catalyst are determined by the starting support. Tests of the catalysts in the reaction of isobutane alkylation with isobutylene demonstrated their advantage in selectivity and stability over the classical bulk sulfated zirconium oxide.
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