INFLUENCE OF CARRIER TEXTURAL CHARACTERISTICS ON THE ACTIVITY OF CHROMOXIDE CATALYSTS IN THE PROPANE DEHYDROGENATION REACTION IN THE PRESENCE OF CO2

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Abstract

Two series of catalysts of CrOx-SBA-15 composition obtained by different methods – co-precipitation with a carrier and impregnation by moisture impregnation, varying the chromium content in the catalyst from 3 to 7 wt % – were synthesized and investigated in this work. The obtained materials were investigated by nitrogen adsorption, UV–VIS SDS and IR SDS methods using CD3CN as a test molecule. On 3 wt % Cr-SiO2catalyst prepared by co-precipitation, a propylene selectivity of 78% was achieved with a propane conversion of 14% at 600°C.

About the authors

M. A. Tedeeva

Lomonosov Moscow State University, Department of Chemistry

Email: maritedeeva@mail.ru
Moscow, Russia

M. Yu. Mashkin

Lomonosov Moscow State University, Department of Chemistry

Moscow, Russia

A. A. Andresyuk

Lomonosov Moscow State University, Department of Chemistry

Moscow, Russia

P. V. Pribytkov

Lomonosov Moscow State University, Department of Chemistry

Moscow, Russia

A. A. Medvedev

N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences

Moscow, Russia

O. P. Tkachenko

N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences

Moscow, Russia

G. I. Kapustin

N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences

Moscow, Russia

S. F. Dunaev

Lomonosov Moscow State University, Department of Chemistry

Moscow, Russia

A. L. Kustov

Lomonosov Moscow State University, Department of Chemistry

Moscow, Russia

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