Effect of Acid–Base Characteristics of In2O3-Al2O3 (ZrO2) Compositions on Their Catalytic Properties in the Oxidative Dehydrogenation of Propane to Propylene with CO2

• Published in: Theoretical and experimental chemistry Vol. 55; no. 3; pp. 207 - 214
• Main Authors: Kantserova, M. R., Vlasenko, N. V., Orlyk, S. M., Veltruska, K., Matolinova, I.
• Format: Journal Article
• Language: English
• Published: New York Springer US 01-07-2019; Springer Nature B.V
• Subjects: Activation; Aluminum oxide; Carbon dioxide; Catalysis; Catalytic activity; Chemistry; Chemistry and Materials Science; Chemistry/Food Science; Composition; Dehydrogenation; Indium oxides; Lewis acid; Propane; Propylene; Selectivity; Zirconium dioxide; Zirconium oxides; indium oxide; zirconium dioxide; propylene; acid–base characteristics; oxidative dehydrogenation of propane; CO; aluminium oxide
• ISSN: 0040-5760; 1573-935X
• DOI: 10.1007/s11237-019-09610-9

The effect of the nature of the support and the method of preparation of indium–aluminum(zirconium) oxide compositions on their acid–base characteristics, which determine the catalytic activity in oxidative dehydrogenation of propane with participation of CO
2
, was established. The highest selectivity for propylene (51%) is achieved over the In
2
O
3
–Al
2
O
3
catalyst, which is due to the presence on its surface of stronger Lewis acid sites for activation of C
3
H
8
and to a higher concentration of base sites for activation of CO
2
.