Ethanol dehydrogenation on copper catalysts with ytterbium stabilized tetragonal ZrO2 support
- Авторлар: Chuklina S.G.1, Pylinina A.I.1, Podzorova L.I.2, Mikhailina N.A.2, Mikhalenko I.I.1
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Мекемелер:
- RUDN University
- Baikov Institute of Metallurgy and Materials Science
- Шығарылым: Том 90, № 12 (2016)
- Беттер: 2370-2376
- Бөлім: Chemical Kinetics and Catalysis
- URL: https://journals.rcsi.science/0036-0244/article/view/169021
- DOI: https://doi.org/10.1134/S0036024416120074
- ID: 169021
Дәйексөз келтіру
Аннотация
The physicochemical and catalytic properties of Cu-containing crystalline zirconia, obtained via sol–gel synthesis in the presence of Yb3+ ions and polyvinylpyrrolidone, are studied. DTG/DSC, TEM, XRD and BET methods are used to analyze the crystallization, texture, phase uniformity, surface and porosity of ZrO2 nanopowders. It is shown that increasing the copper content (1, 3, and 5 wt % from ZrO2) raises the dehydrogenation activity in the temperature range of 100–400°C and lowers the activation energy of acetaldehyde formation. It is found that the activity of all Cu/t-ZrO2 catalysts grows under the effects of the reaction medium, due to the migration and redispersion of copper.
Негізгі сөздер
Авторлар туралы
S. Chuklina
RUDN University
Хат алмасуға жауапты Автор.
Email: sofyaogan@gmail.com
Ресей, Moscow, 117198
A. Pylinina
RUDN University
Email: sofyaogan@gmail.com
Ресей, Moscow, 117198
L. Podzorova
Baikov Institute of Metallurgy and Materials Science
Email: sofyaogan@gmail.com
Ресей, Moscow, 119334
N. Mikhailina
Baikov Institute of Metallurgy and Materials Science
Email: sofyaogan@gmail.com
Ресей, Moscow, 119334
I. Mikhalenko
RUDN University
Email: sofyaogan@gmail.com
Ресей, Moscow, 117198
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