The mesoporous aluminosilicate application as support for bifunctional catalysts for n-hexadecane hydroconversion

Author:

Vassilina Gulzira12,Umbetkaliyeva Kamilla12,Abdrassilova Albina12,Vassilina Tursunay23,Zakirov Zhassulan1

Affiliation:

1. Department of Chemistry and Chemical Technology, Al–Farabi Kazakh National University , Almaty 050059 , Kazakhstan

2. Laboratory of Petrochemical Synthesis, Scientific Research Institute for New Chemical Technologies and Materials , Almaty 050012 , Kazakhstan

3. Faculty of Agrobiology, Kazakh National Agrarian Research University , Almaty 050010 , Kazakhstan

Abstract

Abstract Mesoporous aluminosilicate (MAS) and bifunctional catalysts based on it were synthesized. The MAS synthesis is based on the method of copolycondensation of silicon and aluminum sources in the presence of alcohol. Hexadecylamine was used as a template for the formation of a porous structure. The catalysts were characterized by X-ray diffraction, Brunauer–Emmett–Teller, temperature-programmed desorption of ammonia, hydrogen-temperature programmed reduction, Fourier transform infra-red spectroscopy, and diffuse reflectance infrared Fourier transform spectroscopic methods. The catalytic activity of Ni/MAS-H-bentonite and Mo/MAS-H-bentonite was investigated during the hydroconversion of n-hexadecane. It has been shown that a sample promoted with molybdenum and nickel based on MAS has the high activity and selectivity in the process of n-hexadecane hydroisomerization under optimal conditions (320°C, atm pressure).

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,General Chemistry

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