Novel Ni2Mo3N/zeolite catalysts used for aromatics hydrogenation as well as polycyclic hydrocarbon ring opening

A series novel of bifunctional catalysts consisting of bulk and zeolite-supported Ni2Mo3N were prepared., characterized and investigated in the hydrogenation of aromatics as well as ring opening of polycyclic hydrocarbons. All supported catalysts had shown high activity of aromatics saturation (almost 100%) at 523 K while different activity of ring opening at 603 K. The essential factor of ring opening activity was acidity of catalysts, while the pore structure of the supports also affected it. The results show that the suitable catalyst Hbeta-supported and USY-supported Ni2Mo3N provide high ring opening conversion (>90%) under mild moderate condition (T = 603 K, P = 3.0 MPa).