PdIn/Al2O3 Intermetallic Catalyst: Structure and Catalytic Characteristics in Selective Hydrogenation of Acetylene
- Авторлар: Markov P.1,2, Bukhtiyarov A.2,3, Mashkovsky I.1, Smirnova N.2, Prosvirin I.2, Vinokurov Z.2,3, Panafidin M.2, Baeva G.1, Zubavichus Y.2,3, Bukhtiyarov V.2, Stakheev A.1
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Мекемелер:
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences
- Novosibirsk State University
- Шығарылым: Том 60, № 6 (2019)
- Беттер: 842-850
- Бөлім: Article
- URL: https://journals.rcsi.science/0023-1584/article/view/164315
- DOI: https://doi.org/10.1134/S0023158419060065
- ID: 164315
Дәйексөз келтіру
Аннотация
The structure and catalytic characteristics of a bimetallic catalyst containing Pd1In1 nanoparticles deposited on the surface of γ-Al2O3 were studied. The formation of intermetallic nanoparticles was determined by X-ray diffraction analysis and confirmed by X-ray photoelectron spectroscopy and IR spectroscopy of adsorbed CO. In the hydrogenation of acetylene in excess ethylene, PdIn/Al2O3 had significantly higher selectivity of ethylene formation (~86%) than monometallic Pd/Al2O3 (~35%). The high selectivity of PdIn/Al2O3 is explained by two factors: (1) the formation of monatomic Pd1 sites isolated from one another by In atoms and (2) the change in the electronic state of Pd atoms in the intermetallic nanoparticles.
Авторлар туралы
P. Markov
Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences; Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences
Email: st@ioc.ac.ru
Ресей, Moscow, 119991; Novosibirsk, 630090
A. Bukhtiyarov
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: st@ioc.ac.ru
Ресей, Novosibirsk, 630090; Novosibirsk, 630090
I. Mashkovsky
Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Email: st@ioc.ac.ru
Ресей, Moscow, 119991
N. Smirnova
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences
Email: st@ioc.ac.ru
Ресей, Novosibirsk, 630090
I. Prosvirin
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences
Email: st@ioc.ac.ru
Ресей, Novosibirsk, 630090
Z. Vinokurov
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: st@ioc.ac.ru
Ресей, Novosibirsk, 630090; Novosibirsk, 630090
M. Panafidin
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences
Email: st@ioc.ac.ru
Ресей, Novosibirsk, 630090
G. Baeva
Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Email: st@ioc.ac.ru
Ресей, Moscow, 119991
Ya. Zubavichus
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: st@ioc.ac.ru
Ресей, Novosibirsk, 630090; Novosibirsk, 630090
V. Bukhtiyarov
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences
Email: st@ioc.ac.ru
Ресей, Novosibirsk, 630090
A. Stakheev
Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: st@ioc.ac.ru
Ресей, Moscow, 119991