Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 46, Issue 5, Pages 3945-3953Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.10.230
Keywords
Hydrogen spillover; Tungsten oxide; Ru; Hydrogenation; Liquid organic hydrogen carrier
Categories
Funding
- National Key Research and Development Program of China [2018YFB1502903]
- Zhejiang Provincial Natural Science Foundation of China [LGG20B030001]
- National Natural Science Foundation of China [21875225]
- Fundamental Research Funds for the Central Universities [CUG180604]
- Major project of technical innovation of Hubei Province [2019AAA163]
- China University of Geosciences (Wuhan)
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The Ru-WO3 catalysts exhibit good catalytic activity in the hydrogenation of cyclohexene, and can achieve rapid hydrogen uptake of NPCZ at a lower metal loading and temperature due to the increase of reactive sites caused by hydrogen spillover.
The tungsten oxide nanorods loaded with ruthenium nanoparticles (Ru-WO3) nanocomposite were synthesized by hydrothermal method and impregnation method. The properties of Ru-WO3 catalysts were characterized by various methods, such as BET, XRD, SEM, TEM, EDS and XPS. The results show that hydrogen spillover occurs on the surface of WO3 and the catalytic activity of Ru-WO3 in hydrogenation of cyclohexene increases with the increase of reaction time. Subsequently, the Ru-WO3 catalysts was used to hydrogenate N-propylcarbazole (NPCZ). Compare with commercial 0.5 wt% Ru-Al2O3 catalyst, Ru-WO3 can realize the rapid hydrogen uptake of NPCZ at a lower metal loading (0.34 wt%) and lower temperature (150 degrees C), which is attributed to the increase of reactive sites caused by hydrogen spillover. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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