Comparative Study of Catalysts Based on Zeolites BEA and MWW in Benzene Alkylation with Propylene: Fid-Bau Portal

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Comparative Study of Catalysts Based on Zeolites BEA and MWW in Benzene Alkylation with Propylene

Ponomareva, O. A. / Bok, T. O. / Andriako, E. P. / Shkuropatov, A. V. / Knyazeva, E. E. / Dobryakova, I. V. / Ivanova, I. I.

Abstract The physicochemical properties of catalysts synthesized from zeolites of the BEA and MWW framework types using pseudoboehmite as a binder and their catalytic activity in benzene alkylation with propylene in the gas-phase and liquid-phase modes have been studied. It has been found that the MWW-based catalyst is characterized by stronger acidity in terms of both amount and strength of acid sites; however, the catalytic activity of this sample is inferior to that of zeolite BEA. The observed effect is attributed to the higher accessibility of acid sites in the three-dimensional system of zeolite BEA. With respect to some parameters, such as cumene selectivity and on-stream stability, zeolite MWW is superior to zeolite BEA; the difference is attributed to the structural features of these zeolites.

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Comparative Study of Catalysts Based on Zeolites BEA and MWW in Benzene Alkylation with Propylene

Ponomareva, O. A. / Bok, T. O. / Andriako, E. P. / Shkuropatov, A. V. / Knyazeva, E. E. / Dobryakova, I. V. / Ivanova, I. I.

Abstract The physicochemical properties of catalysts synthesized from zeolites of the BEA and MWW framework types using pseudoboehmite as a binder and their catalytic activity in benzene alkylation with propylene in the gas-phase and liquid-phase modes have been studied. It has been found that the MWW-based catalyst is characterized by stronger acidity in terms of both amount and strength of acid sites; however, the catalytic activity of this sample is inferior to that of zeolite BEA. The observed effect is attributed to the higher accessibility of acid sites in the three-dimensional system of zeolite BEA. With respect to some parameters, such as cumene selectivity and on-stream stability, zeolite MWW is superior to zeolite BEA; the difference is attributed to the structural features of these zeolites.

Comparative Study of Catalysts Based on Zeolites BEA and MWW in Benzene Alkylation with Propylene

Ponomareva, O. A. / Bok, T. O. / Andriako, E. P. / Shkuropatov, A. V. / Knyazeva, E. E. / Dobryakova, I. V. / Ivanova, I. I.

Abstract The physicochemical properties of catalysts synthesized from zeolites of the BEA and MWW framework types using pseudoboehmite as a binder and their catalytic activity in benzene alkylation with propylene in the gas-phase and liquid-phase modes have been studied. It has been found that the MWW-based catalyst is characterized by stronger acidity in terms of both amount and strength of acid sites; however, the catalytic activity of this sample is inferior to that of zeolite BEA. The observed effect is attributed to the higher accessibility of acid sites in the three-dimensional system of zeolite BEA. With respect to some parameters, such as cumene selectivity and on-stream stability, zeolite MWW is superior to zeolite BEA; the difference is attributed to the structural features of these zeolites.

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Titel:

Comparative Study of Catalysts Based on Zeolites BEA and MWW in Benzene Alkylation with Propylene

Beteiligte:

Ponomareva, O. A. (Autor:in) / Bok, T. O. (Autor:in) / Andriako, E. P. (Autor:in) / Shkuropatov, A. V. (Autor:in) / Knyazeva, E. E. (Autor:in) / Dobryakova, I. V. (Autor:in) / Ivanova, I. I. (Autor:in)

Erschienen in:

Petroleum Chemistry ; 59 ; 918-924

Erscheinungsdatum:

01.08.2019

Format / Umfang:

7 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544119080152

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Chemistry , Industrial Chemistry/Chemical Engineering

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