Reactivation of Ni-TiO2 catalysts in hydrogen flow and in supercritical 2-propanol-Comparative study by electron spin resonance in situ

© 2023 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Magnetic resonance in chemistry : MRC. - 1985. - 61(2023), 11 vom: 08. Nov., Seite 574-581
1. Verfasser: Kandarakova, Irina (VerfasserIn)
Weitere Verfasser: Yakushkin, Stanislav, Nesterov, Nikolay, Philippov, Alexey, Martyanov, Oleg
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Magnetic resonance in chemistry : MRC
Schlagworte:Journal Article Ni nanoparticles catalytic transfer hydrogenation electron spin resonance supercritical fluid superparamagnetism
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520 |a Highly dispersed Ni-TiO2 catalyst has been studied in the process of preparation and under catalytic transfer hydrogenation reaction conditions in supercritical 2-propanol (250°C, 70 bar) using electron spin resonance in situ. Electron spin resonance in situ has been used to study the process of the catalyst passivation and subsequent reduction of the oxide layer in the gas flow. Reduction of the NiO layer on the surface of passivated Ni nanoparticles has been detected in supercritical 2-propanol, which is in agreement with kinetic modeling data. It has been found that the reduction of the nickel oxide layer in supercritical 2-propanol occurs at a lower temperature compared with the reduction in hydrogen flow, according to in situ electron spin resonance study 
650 4 |a Journal Article 
650 4 |a Ni nanoparticles 
650 4 |a catalytic transfer hydrogenation 
650 4 |a electron spin resonance 
650 4 |a supercritical fluid 
650 4 |a superparamagnetism 
700 1 |a Yakushkin, Stanislav  |e verfasserin  |4 aut 
700 1 |a Nesterov, Nikolay  |e verfasserin  |4 aut 
700 1 |a Philippov, Alexey  |e verfasserin  |4 aut 
700 1 |a Martyanov, Oleg  |e verfasserin  |4 aut 
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