On the Mechanism of Alkylation of Isobutane with Butenes on Zirconium Sulfate Catalysts | Sciact - CRIS-system of Boreskov Institute of Catalysis

On the Mechanism of Alkylation of Isobutane with Butenes on Zirconium Sulfate Catalysts Full article

Journal

Petroleum Chemistry
ISSN: 0965-5441 , E-ISSN: 1531-8532

Output data

Year: 2003, Volume: 43, Number: 5, Pages: 324-328 Pages count : 5

Tags

butene; hydrocarbon; isobutane; Lewis acid; silica gel; sulfate; titanium; unclassified drug; zirconium

Authors

Lavrenov A.V. ¹ , Finevich V.P. ¹ , Kirillov V.L. ² , Paukshtis E.A. ² , Duplyakin V.K. ¹ , Balʹzhinimaev B.S. ²

Affiliations

1	Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, Omsk, 644053, Neftezavodskaya ul. 54, Russian Federation
2	Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, pr. Akademika Lavrent'eva 5, Russian Federation

The activities of supported heteropolyacids H3PW12O40 and H3PTiW11O39 and sulfonated zirconium dioxide were studied and compared in isobutane alkylation with butenes. The conversion of the isobutane-butene feedstock in the presence of H3PW12O40 possessing, only strong Bronsted acidity was exclusively due to the oligomerization of butenes. The catalyst based on the titanium-containing heteropolyacid, which can exhibit electron-acceptor properties, was active in alkylation. Correlation between the activity in alkylation and the strength of Lewis acid sites was revealed for the supported zirconium sulfate catalysts. It was shown that zirconium hydrides are produced in the interaction of isobutane with the zirconium sulfate catalysts, which can be responsible for the appearance of the tert-butyl cation as the key alkylation intermediate. The mechanism of isobutane alkylation with butenes on solid acid catalysts is discussed.

Lavrenov A.V. , Finevich V.P. , Kirillov V.L. , Paukshtis E.A. , Duplyakin V.K. , Balʹzhinimaev B.S.
On the Mechanism of Alkylation of Isobutane with Butenes on Zirconium Sulfate Catalysts
Petroleum Chemistry. 2003. V.43. N5. P.324-328. WOS Scopus РИНЦ

Лавренов А.В. , Финевич В.П. , Кириллов В.Л. , Паукштис Е.А. , Дуплякин В.К. , Бальжинимаев Б.С.
О механизме реакции алкилирования изобутана бутенами на цирконийсульфатных катализаторах
Нефтехимия. 2003. Т.43. №5. С.361-365. Scopus РИНЦ ANCAN

Published print:

Sep 1, 2003

Web of science:	WOS:000186061300005
Scopus:	2-s2.0-0242364764
Elibrary:	13444918

DB	Citing
Web of science	1
Scopus	2
Elibrary	1