Liquid-Phase Oxidation of Benzothiophene and Dibenzothiophene by Cumyl Hydroperoxide in the Presence of Catalysts Based on Supported Metal Oxides Full article
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Kinetics and Catalysis
ISSN: 0023-1584 , E-ISSN: 1608-3210 |
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| Output data | Year: 2008, Volume: 49, Number: 5, Pages: 644-652 Pages count : 9 DOI: 10.1134/S002315840805008X | ||||
| Tags | Dibenzothiophene; Benzothiophene; Oxidative Desulfurization; Cumyl; Support Metal Oxide | ||||
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Abstract:
The liquid-phase oxidation of benzothiophene and dibenzothiophene by cumyl hydroperoxide in the presence of supported metal oxide catalysts was carried out in octane in an N2 atmosphere at 50–80°C. The cumyl hydroperoxide, benzothiophene, and dibenzothiophene conversions and the yield of sulfones were determined for catalysts of various natures. In the presence of MoO3/SiO2, the most efficient and most readily regenerable catalyst, the benzothiophene conversion was ∼60% and the dibenzothiophene conversion was as high as 100% upon almost complete consumption of cumyl hydroperoxide. The influence of unsaturated and aromatic compounds (oct-1-ene, toluene) on the catalytic effect was studied. The kinetics of substrate oxidation and cumyl hydroperoxide decomposition and an analysis of the cumyl hydroperoxide conversion products suggested a benzothiophene and dibenzothiophene oxidation mechanism including the formation of an intermediate complex of the hydroperoxide with the catalyst and the substrate and its transformation via heterolytic and homolytic routes.
Cite:
Kuznetsova L.I.
, Detusheva L.G.
, Kuznetsova N.I.
, Duplyakin V.K.
, Likholobov V.A.
Liquid-Phase Oxidation of Benzothiophene and Dibenzothiophene by Cumyl Hydroperoxide in the Presence of Catalysts Based on Supported Metal Oxides
Kinetics and Catalysis. 2008. V.49. N5. P.644-652. DOI: 10.1134/S002315840805008X WOS Scopus РИНЦ ANCAN OpenAlex
Liquid-Phase Oxidation of Benzothiophene and Dibenzothiophene by Cumyl Hydroperoxide in the Presence of Catalysts Based on Supported Metal Oxides
Kinetics and Catalysis. 2008. V.49. N5. P.644-652. DOI: 10.1134/S002315840805008X WOS Scopus РИНЦ ANCAN OpenAlex
Original:
Кузнецова Л.И.
, Детушева Л.Г.
, Кузнецова Н.И.
, Дуплякин В.К.
, Лихолобов В.А.
Жидкофазное окисление бензотиофена и дибензотиофена гидроперекисью кумила в присутствии катализаторов на основе нанесенных оксидов металлов
Кинетика и катализ. 2008. Т.49. №5. С.675-683. РИНЦ
Жидкофазное окисление бензотиофена и дибензотиофена гидроперекисью кумила в присутствии катализаторов на основе нанесенных оксидов металлов
Кинетика и катализ. 2008. Т.49. №5. С.675-683. РИНЦ
Dates:
| Submitted: | May 28, 2007 |
| Published print: | Sep 1, 2008 |
| Published online: | Sep 30, 2008 |
Identifiers:
| Web of science: | WOS:000259698000008 |
| Scopus: | 2-s2.0-53249097856 |
| Elibrary: | 13597103 |
| Chemical Abstracts: | 2008:1175927 |
| Chemical Abstracts (print): | 151:317550 |
| OpenAlex: | W1973813627 |