The effect of the nanoclusters on the acidity of unsupported catalyst was studied. Results showed that the Lewis acid and the total acid amount of the unsupported catalyst were improved. Indicating that the β-zeolite nanoclusters was successfully introduced into the unsupported catalyst. And the ...
It is shown that the NiMo/ZSM-5/23 catalyst exhibits a high activity in naphthalene HYD and subsequent reactions of tetralin and decalin naphthene ring opening and hexadecane HC. It is found that the activity of zeolite-containing catalysts in naphthalene HYD grows with the proportion of Brnsted...
It is shown that the NiMo/ZSM-5/23 catalyst exhibits a high activity in naphthalene HYD and subsequent reactions of tetralin and decalin naphthene ring opening and hexadecane HC. It is found that the activity of zeolite-containing catalysts in naphthalene HYD grows with the proportion of Brnsted...
zeolite structure and the total acidity of the catalyst, as expected. The same trend is observed for the number of strong BASs, i.e., being able to keep pyridine adsorbed at T = 350 °C. In fact, in the H-USY zeolites, with Si/Al molar ratios of 2.9, 15, 30, and 40, the ...