Alkylation of Isobutane by Olefins on Zeolite-Containing Catalysts with in-situ Catalyst Regeneration

Khamzin, Yu. A.; Shiriyazdanov, R. R.; Davletshin, A. R.; Shadrina, A. E.

doi:10.1007/s10553-018-0911-1

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Alkylation Of Isobutane With Olefins and Olefin Fractions1

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2022

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“…Some studies [35,36] found that with an increase in the acidity of the catalyst (FAU), the main alkylation reaction predominates, and the proportion of side processes decreases. Modification of the NaY zeolite (decationation and dealumination) leads to an increase in the yield of target products, i.e., C 8 isomers, and the suppression of oligomerization and reactions associated with coke formation.…”

Section: Alkylation Of Isobutane With Olefins and Olefin Fractionsmentioning

confidence: 99%

Zeolite-Containing Catalysts in Alkylation Processes

Huseynova¹,

Мuхtаrоvа²,

Aliyeva³

et al. 2022

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This article provides an overview of zeolite-containing catalysts used in the alkylation of benzene and toluene with olefins, isobutane with butenes and butane-butene fractions, gasoline and oil fractions with olefins, propane-propylene, and butane-butylene fractions of catalytic cracking. Zeolites have various types of structures, including BEA, MFI, MWW, FAU, etc., which differ in pore size and the number and location of the channels. High-silica zeolites have a large pore volume, high acidity, good hydrothermal stability, and molecular sieve properties that provide high selectivity in alkylation processes.

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Section: Alkylation Of Isobutane With Olefins and Olefin Fractionsmentioning

confidence: 99%