Influence of Cr/Zr ratio on activity of Cr-Zr oxide catalysts in non-oxidative propane dehydrogenation
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...
| Published in: | Crystals Vol. 11, № 11. P. 1435 (1-12) |
|---|---|
| Other Authors: | , , , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Online Access: | http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000892181 Перейти в каталог НБ ТГУ |
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| 024 | 7 | |a 10.3390/cryst11111435 |2 doi | |
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| 245 | 1 | 0 | |a Influence of Cr/Zr ratio on activity of Cr-Zr oxide catalysts in non-oxidative propane dehydrogenation |c A. V. Zubkov, T. A. Bugrova, M. A. Salaev, G. V. Mamontov |
| 336 | |a Текст | ||
| 337 | |a электронный | ||
| 504 | |a Библиогр.: 52 назв. | ||
| 520 | 3 | |a 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. | |
| 653 | |a хромовые катализаторы | ||
| 653 | |a смешанные оксиды | ||
| 653 | |a цирконий | ||
| 653 | |a дегидрирование пропана | ||
| 655 | 4 | |a статьи в журналах |9 879358 | |
| 700 | 1 | |a Zubkov, Alexander V. |9 801660 | |
| 700 | 1 | |a Bugrova, Tatiana A. |9 99195 | |
| 700 | 1 | |a Salaev, Mikhail A. |9 563314 | |
| 700 | 1 | |a Mamontov, Grigory V. |9 99196 | |
| 773 | 0 | |t Crystals |d 2021 |g Vol. 11, № 11. P. 1435 (1-12) |x 2073-4352 | |
| 852 | 4 | |a RU-ToGU | |
| 856 | 4 | |u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000892181 | |
| 856 | |y Перейти в каталог НБ ТГУ |u https://koha.lib.tsu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=892181 | ||
| 908 | |a статья | ||
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| 999 | |c 892181 |d 892181 | ||