Partial oxidation of methane to syngas over SmCoO3-derived catalysts: the effect of the supercritical fluid assisted modification of the perovskite precursor

Gavrikov, A.V.; Loktev, A.S.; Ilyukhin, A.B.; Mukhin, I.E.; Bykov, M.A.; Vorobei, A.M.; Parenago, O.O.; Cherednichenko, K.A.; Sadovnikov, A.A.; Dedov, A.G.

Авторы: Gavrikov Andrey V., Loktev Alexey S., Ilyukhin Andrey B., Mukhin Igor E., Bykov Mikhail A., Vorobei Anton M., Parenago Olga O., Cherednichenko Kirill A., Sadovnikov Alexey A., Dedov Alexey G.
Журнал: International Journal of Hydrogen Energy
Том: 48
Номер: 8
Год издания: 2023
Издательство: Pergamon Press Ltd.
Местоположение издательства: United Kingdom
Первая страница: 2998
Последняя страница: 3012
DOI: 10.1016/j.ijhydene.2022.10.068
Аннотация: Syngas is crucial raw for the production of hydrogen-rich gas for green energy and forvarious petrochemical processes. Herein, we report the Syngas production via partialoxidation of methane (POM) on new SmCoO3-derived catalysts produced from simple individualprecursor. Precursor modified by supercritical antisolvent precipitation (SAS)involving supercritical CO2 yields SmCoO3 with finer grains, and the catalytic activity ofrespective Co/Sm2O3 composite formed in situ during POM is considerably enchanced. Thiscatalyst does not undergo coking, and provides CO and H2 yields of 75e88% for 55 h at900 C, thereby being the most efficient POM catalysts derived from non-substitutedLnCoO3. Thus, the prospects of exploiting SAS modification of the precursor for SmCoO3to enhance the catalytic activity of the daughter Co/Sm2O3 composites are demonstratedfor the first time. Given the overall simplicity in production, studied Co/Sm2O3 compositescan also be convenient systems for further development of POM catalysts
Добавил в систему: Быков Михаил Арнольдович

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Partial oxidation of methane to syngas over SmCoO3-derived catalysts: the effect of the supercritical fluid assisted modification of the perovskite precursorстатья

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