TY  - SER
AU  - Zubkov,Alexander V.
AU  - Bugrova,Tatiana A.
AU  - Salaev,Mikhail A.
AU  - Mamontov,Grigory V.
TI  - Influence of Cr/Zr ratio on activity of Cr–Zr oxide catalysts in non-oxidative propane dehydrogenation
KW  - хромовые катализаторы
KW  - смешанные оксиды
KW  - цирконий
KW  - дегидрирование пропана
KW  - статьи в журналах
N1  - Библиогр.: 52 назв
N2  - Two series of chromium–zirconium mixed oxide catalysts with different Cr/Zr molar ratio are prepared by co-precipitation method. Porous structure of the catalysts is studied by lowtemperature N2 adsorption–desorption. Phase composition and chromium states in the catalysts are characterized by X-ray diffraction (XRD), UV-visible spectroscopy, and temperature-programmed reduction with hydrogen (TPR-H2). The mixed catalysts are tested in non-oxidative dehydrogenation of propane at 550 C. The catalysts synthesized without ageing of precipitate show higher activity in propane dehydrogenation due to the higher content of reducible Cr+5/+6 species due to its stabilization on the ZrO2 surface
UR  - http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000892181
ER  -