The processes of benzene alkylation with n-alkenes on the sulfocation exchangers

The processes of benzene alkylation with n-alkenes on the sulfocation exchangers The processes of benzene alkylation with n-alkenes C2–C3 on sulfocation exchangers are developed. The processes are deprived of the strong corrosion aggressiveness, characteristic of the industrial processes with use of AlCl3 or BF3, and do not need the periodic burning out of the formed contaminants, that is characteristic of the processes with application of zeolites. Alkylation proceeds in the liquid phase at moderate temperatures: 70–90°C in the case of alkylation with propene and n-butenes, and 130°C for the alkylation with ethylene. With the use of alkane-alkene fractions C2–C3 the conversion of alkenes process exceeds 99%, the alkylbenzene to dialkylbenzenes ratio reaches 20–25%. Peralkylation of dialkylbenzenes it not required. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

The processes of benzene alkylation with n-alkenes on the sulfocation exchangers

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2009 by Pleiades Publishing, Ltd.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427209040338
Publisher site
See Article on Publisher Site

Abstract

The processes of benzene alkylation with n-alkenes C2–C3 on sulfocation exchangers are developed. The processes are deprived of the strong corrosion aggressiveness, characteristic of the industrial processes with use of AlCl3 or BF3, and do not need the periodic burning out of the formed contaminants, that is characteristic of the processes with application of zeolites. Alkylation proceeds in the liquid phase at moderate temperatures: 70–90°C in the case of alkylation with propene and n-butenes, and 130°C for the alkylation with ethylene. With the use of alkane-alkene fractions C2–C3 the conversion of alkenes process exceeds 99%, the alkylbenzene to dialkylbenzenes ratio reaches 20–25%. Peralkylation of dialkylbenzenes it not required.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: May 19, 2009

References

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