Effect of silicon content on active catalytic phase for hydrocracking of heavy crude oils

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    Resumen

    The silicon composition effect on acidic properties of Ni[sbond]Mo catalysts was investigated for hydrocracking reaction, where an optimal Si and Al ratio is required for the formation of Brønsted acid sites and as well as of Al3+ (IV) tetrahedral coordinated sites. The support composition affects the Si[sbond]OH[sbond]Al network, where cations (Al3+ or Si4+) have a coordination number of IV generating higher Brønsted acidity and macro-pores. The supports and fresh catalysts were characterized by atomic absorption, nitrogen physisorption, FT-IR of CO and pyridine adsorption and 27Al MAS NMR.

    Idioma originalInglés
    Páginas (desde-hasta)91-97
    Número de páginas7
    PublicaciónPetroleum Science and Technology
    Volumen38
    N.º2
    DOI
    EstadoPublicada - 17 ene 2020

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