Influence of Al2O3 Content in Pelletized SAPO-11 Molecular Sieves on Their Physicochemical Properties, Activity, and Selectivity in Hydroisomerization of n-Hexadecane
D. V. Serebrennikov, A. R. Zabirov, R. Z. Kuvatova, D. O. Bagdanova, A. I. Malunov, O. S. Travkina, B. I. Kutepov, M. R. Agliullin
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Abstract
The physicochemical properties of a series of pelletized SAPO-11 molecular sieves differing in the binder (Al2O3) content were characterized; their activity and selectivity were investigated in the hydroisomerization of n-hexadecane. An increase in the binder content from 20 to 60 wt % was found to decrease the specific micropore volume and increase the external specific surface area as well as the mechanical strength, activity, and selectivity of Pt-containing samples in the hydroisomerization of n-hexadecane. The study proposes the formulations of pelletized SAPO-11 that ensure mechanical (axial crushing) strength of 9.9 to 15.1 N/mm2 and the yield of C16 isomers up to 78% in the hydroisomerization of n-hexadecane.
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Petroleum Chemistry (Neftekhimiya), founded in 1961, offers original papers on and reviews of theoretical and experimental studies concerned with current problems of petroleum chemistry and processing such as chemical composition of crude oils and natural gas liquids; petroleum refining (cracking, hydrocracking, and catalytic reforming); catalysts for petrochemical processes (hydrogenation, isomerization, oxidation, hydroformylation, etc.); activation and catalytic transformation of hydrocarbons and other components of petroleum, natural gas, and other complex organic mixtures; new petrochemicals including lubricants and additives; environmental problems; and information on scientific meetings relevant to these areas.
Petroleum Chemistry publishes articles on these topics from members of the scientific community of the former Soviet Union.
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