Heterogeneous Catalysts SILP with Phosphotungstic Acid for Oxidative Desulfurization: Effect of Ionic Liquidстатья
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Дата последнего поиска статьи во внешних источниках: 25 ноября 2020 г.
Аннотация:SILP (supporting ionic liquid phase) catalysts for peroxide thiophene oxidation were obtained onsilica gel, they included imidazole cations with sulfonic acid group and phosphotungstate anions. The compositionof the active phase and the surface structure of the catalysts are characterized by a set of modernphysicochemical methods, including mass spectrometry using the SALDI technique. It was found that theorganic cation structure affects the stability of heteropolyanions, decomposition processes in the SILP andthe catalytic properties of the samples. SILP catalysts are effective in desulfurization of the diesel fraction andprovide fuel with an S content of less than 10 ppm.