Effects of external parameters and mass-transfer on the glucose oxidation process catalyzed by Pd-Bi/Al2O3
Catalytic properties of bimetallic 3.5% Pd - 2.4 %Bi catalyst supported on Al2O3 were studied in the glucose oxidation reaction into sodium gluconate at various pH, temperature and [Glu]:[Pd] ratio. It was found that pH 9 and temperature 60°C are the best conditions for the Pd3Bi/Al2O3 catalytic sys...
| Published in: | New journal of chemistry Vol. 45, № 47. P. 22289-22298 |
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| Other Authors: | , , , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Online Access: | http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000895389 Перейти в каталог НБ ТГУ |
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| 245 | 1 | 0 | |a Effects of external parameters and mass-transfer on the glucose oxidation process catalyzed by Pd-Bi/Al2O3 |c M. P. Sandu, M. A. Kovtunov, N. V. Gromov, I. A. Kurzina |
| 336 | |a Текст | ||
| 337 | |a электронный | ||
| 504 | |a Библиогр.: 65 назв. | ||
| 520 | 3 | |a Catalytic properties of bimetallic 3.5% Pd - 2.4 %Bi catalyst supported on Al2O3 were studied in the glucose oxidation reaction into sodium gluconate at various pH, temperature and [Glu]:[Pd] ratio. It was found that pH 9 and temperature 60°C are the best conditions for the Pd3Bi/Al2O3 catalytic system. These reaction parameters contribute to the obtaining sodium gluconate with 56.6% yield while maintaining a selectivity of 99.9%. The calculated activation energy was 67.7 kJ/mol. The oxygen transfer rate investigation allowed us to conclude that the reaction proceeds in a kinetic mode. The catalyst showed activity and stability in three catalytic cycles (XGlu = 56.6-62.8, SSGlu> 99.9%). The decrease in catalytic activity in the fourth and fifth catalytic cycles is associated with a change in the valence-phase state of the catalyst surface established using XPS. | |
| 653 | |a каталитические свойства | ||
| 653 | |a биметаллические катализаторы | ||
| 653 | |a окисление глюкозы | ||
| 653 | |a глюконат натрия | ||
| 655 | 4 | |a статьи в журналах |9 879358 | |
| 700 | 1 | |a Sandu, Mariya Petrovna |9 799962 | |
| 700 | 1 | |a Kovtunov, Mikhail A. |9 806065 | |
| 700 | 1 | |a Gromov, Nikolay V. |9 806066 | |
| 700 | 1 | |a Kurzina, Irina A. |9 99208 | |
| 773 | 0 | |t New journal of chemistry |d 2021 |g Vol. 45, № 47. P. 22289-22298 |x 1144-0546 |w to000378339 | |
| 852 | 4 | |a RU-ToGU | |
| 856 | 4 | |u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000895389 | |
| 856 | |y Перейти в каталог НБ ТГУ |u https://koha.lib.tsu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=895389 | ||
| 908 | |a статья | ||
| 999 | |c 895389 |d 895389 | ||
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