The nickel-support interaction as determining factor of the selectivity to ethylene in the oxidative dehydrogenation of ethane over nickel oxide/alumina catalysts
Yousra Abdelbaki
1, 2
,
Agustín De Arriba
3
,
B Solsona
4
,
Daniel Delgado
2
,
Ester Garcia-Gonzalez
5
,
Rachid Issaadi
1
,
J. Nieto
3
2
3
Publication type: Journal Article
Publication date: 2021-08-01
scimago Q2
wos Q2
SJR: 1.000
CiteScore: 8.6
Impact factor: 4.8
ISSN: 0926860X, 18733875
Catalysis
Process Chemistry and Technology
Abstract
• Al 2 O 3 -Supported NiO improve the catalytic performance of bulk NiO in ethane ODH. • NiO-support interaction determine selectivity to ethylene. • NiO-support interaction determine the reducibility of catalysts. • High selectivity related also with a higher number of nickel and oxygen. vacancies. Nickel oxides supported on γ-alumina (Ni-loading from 5 to 30 wt% NiO) have been synthesized and tested in the oxidative dehydrogenation (ODH) of ethane in order to determine the importance of the NiO-support interaction. The best performance was achieved by the catalyst with 15 wt% NiO; higher NiO-loadings lead to the formation of unselective bulk-like NiO and lower Ni-loadings present high proportion of free alumina surface sites. The presence of oxalic acid and/or niobium in the synthesis gel resulted in the formation of NiO particles with similar size, but higher crystallinity and reducibility than the standard 15 wt% NiO catalyst. The obtained results have revealed that, in addition to NiO crystal size, the nickel oxide-support interaction determines the catalytic performance of these catalysts.
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Citations from 2025:
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Abdelbaki Y. et al. The nickel-support interaction as determining factor of the selectivity to ethylene in the oxidative dehydrogenation of ethane over nickel oxide/alumina catalysts // Applied Catalysis A: General. 2021. Vol. 623. p. 118242.
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Abdelbaki Y., De Arriba A., Solsona B., Delgado D., Garcia-Gonzalez E., Issaadi R., Nieto J. The nickel-support interaction as determining factor of the selectivity to ethylene in the oxidative dehydrogenation of ethane over nickel oxide/alumina catalysts // Applied Catalysis A: General. 2021. Vol. 623. p. 118242.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1016/j.apcata.2021.118242
UR - https://doi.org/10.1016/j.apcata.2021.118242
TI - The nickel-support interaction as determining factor of the selectivity to ethylene in the oxidative dehydrogenation of ethane over nickel oxide/alumina catalysts
T2 - Applied Catalysis A: General
AU - Abdelbaki, Yousra
AU - De Arriba, Agustín
AU - Solsona, B
AU - Delgado, Daniel
AU - Garcia-Gonzalez, Ester
AU - Issaadi, Rachid
AU - Nieto, J.
PY - 2021
DA - 2021/08/01
PB - Elsevier
SP - 118242
VL - 623
SN - 0926-860X
SN - 1873-3875
ER -
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@article{2021_Abdelbaki,
author = {Yousra Abdelbaki and Agustín De Arriba and B Solsona and Daniel Delgado and Ester Garcia-Gonzalez and Rachid Issaadi and J. Nieto},
title = {The nickel-support interaction as determining factor of the selectivity to ethylene in the oxidative dehydrogenation of ethane over nickel oxide/alumina catalysts},
journal = {Applied Catalysis A: General},
year = {2021},
volume = {623},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016/j.apcata.2021.118242},
pages = {118242},
doi = {10.1016/j.apcata.2021.118242}
}