Catalytic Properties of Immobilized Imidazolium Phosphomolybdates in the Peroxide Oxidation of Sulfur- and Nitrogen-Containing Compounds: Influence of the Structure of the Cation

Авторы: Gorbunov V.S., Zelikman V.M., Ivanin I.A., Krasovsky V.G., Oskolok K.V., Popov A.G., Tarkhanova I.G.
Журнал: Kinetics and Catalysis
Том: 65
Номер: 3
Год издания: 2024
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 237
Последняя страница: 245
DOI: 10.1134/S0023158424601414
Аннотация: A series of heterogeneous catalysts for peroxide oxidative desulfurization and denitrogenationbased on imidazolium phosphomolybdates with different cation structures and acidic properties was prepared.Thiophene, dibenzothiophene, methyl phenyl sulfide, and pyridine were used as model substrates.The composition and structure of the initial ionic derivatives and heterogeneous compositions based on themwere determined using a number of physicochemical methods. It was found that the structure of the imidazolecation affected the stability of the heteropolyanion, the distribution of an active phase on the surface ofsilica gel, and, as a consequence, the efficiency in catalysis. The catalysts were tested in solutions containingeither a substrate or a mixture of nitrogen- and sulfur-containing compounds.
Добавил в систему: Тарханова Ирина Геннадиевна

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