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Benzene alkylation with dodecene-1 over micro-mesoporous molecular sieves

Ponomareva, O. A. / Timoshin, S. E. / Monakhova, Yu. V. / Knyazeva, E. E. / Yuschenko, V. V. / Ivanova, I. I.

Abstract The alkylation of benzene with dodecene-1 has been studied over catalysts with a combined micro-mesoporous structure with different amounts of mesopores obtained by the hydrothermal recrystallization of Beta and mordenite zeolites. The main features of the reaction of benzene alkylation with dodecene-1 over the micro-mesoporous catalysts have been established. The formation of transport pores and an increase in the accessibility of acid sites as a result of recrystallization under mild conditions facilitate an increase in the activity, with a high selectivity for linear phenyldodecanes being retained; a higher degree of recrystallization to MCM-41 leads to a decrease in the conversion and selectivity; the mordenite-based catalysts are more active than zeolite Beta.

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Benzene alkylation with dodecene-1 over micro-mesoporous molecular sieves

Ponomareva, O. A. / Timoshin, S. E. / Monakhova, Yu. V. / Knyazeva, E. E. / Yuschenko, V. V. / Ivanova, I. I.

Abstract The alkylation of benzene with dodecene-1 has been studied over catalysts with a combined micro-mesoporous structure with different amounts of mesopores obtained by the hydrothermal recrystallization of Beta and mordenite zeolites. The main features of the reaction of benzene alkylation with dodecene-1 over the micro-mesoporous catalysts have been established. The formation of transport pores and an increase in the accessibility of acid sites as a result of recrystallization under mild conditions facilitate an increase in the activity, with a high selectivity for linear phenyldodecanes being retained; a higher degree of recrystallization to MCM-41 leads to a decrease in the conversion and selectivity; the mordenite-based catalysts are more active than zeolite Beta.

Benzene alkylation with dodecene-1 over micro-mesoporous molecular sieves

Ponomareva, O. A. / Timoshin, S. E. / Monakhova, Yu. V. / Knyazeva, E. E. / Yuschenko, V. V. / Ivanova, I. I.

Abstract The alkylation of benzene with dodecene-1 has been studied over catalysts with a combined micro-mesoporous structure with different amounts of mesopores obtained by the hydrothermal recrystallization of Beta and mordenite zeolites. The main features of the reaction of benzene alkylation with dodecene-1 over the micro-mesoporous catalysts have been established. The formation of transport pores and an increase in the accessibility of acid sites as a result of recrystallization under mild conditions facilitate an increase in the activity, with a high selectivity for linear phenyldodecanes being retained; a higher degree of recrystallization to MCM-41 leads to a decrease in the conversion and selectivity; the mordenite-based catalysts are more active than zeolite Beta.

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Title:

Benzene alkylation with dodecene-1 over micro-mesoporous molecular sieves

Contributors:

Ponomareva, O. A. (author) / Timoshin, S. E. (author) / Monakhova, Yu. V. (author) / Knyazeva, E. E. (author) / Yuschenko, V. V. (author) / Ivanova, I. I. (author)

Published in:

Petroleum Chemistry ; 50 ; 427-436

Publication date:

2010-11-01

Size:

10 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544110060046

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Zeolite , Acid Site , Petroleum Chemistry , Benzene Alkylation , Mordenite Chemistry , Industrial Chemistry/Chemical Engineering

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