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Oxidative dehydrogenation of ethane over M1 MoVNbTeO catalysts modified by the addition of Nd, Mn, Ga or Ge. / Lazareva, E. V.; Bondareva, V. M.; Svintsitskiy, D. A. et al.

In: Catalysis Today, Vol. 361, 01.02.2021, p. 50-56.

Research output: Contribution to journal › Article › peer-review

Harvard

Lazareva, EV, Bondareva, VM, Svintsitskiy, DA, Ishchenko, AV, Marchuk, AS, Kovalev, EP & Kardash, TY 2021, 'Oxidative dehydrogenation of ethane over M1 MoVNbTeO catalysts modified by the addition of Nd, Mn, Ga or Ge', Catalysis Today, vol. 361, pp. 50-56. https://doi.org/10.1016/j.cattod.2019.12.029

APA

Lazareva, E. V., Bondareva, V. M., Svintsitskiy, D. A., Ishchenko, A. V., Marchuk, A. S., Kovalev, E. P., & Kardash, T. Y. (2021). Oxidative dehydrogenation of ethane over M1 MoVNbTeO catalysts modified by the addition of Nd, Mn, Ga or Ge. Catalysis Today, 361, 50-56. https://doi.org/10.1016/j.cattod.2019.12.029

Vancouver

Lazareva EV, Bondareva VM, Svintsitskiy DA, Ishchenko AV, Marchuk AS, Kovalev EP et al. Oxidative dehydrogenation of ethane over M1 MoVNbTeO catalysts modified by the addition of Nd, Mn, Ga or Ge. Catalysis Today. 2021 Feb 1;361:50-56. doi: 10.1016/j.cattod.2019.12.029

Author

Lazareva, E. V. ; Bondareva, V. M. ; Svintsitskiy, D. A. et al. / Oxidative dehydrogenation of ethane over M1 MoVNbTeO catalysts modified by the addition of Nd, Mn, Ga or Ge. In: Catalysis Today. 2021 ; Vol. 361. pp. 50-56.

BibTeX

@article{c9d89cc9351041e9acbcd6be23a2f016,
title = "Oxidative dehydrogenation of ethane over M1 MoVNbTeO catalysts modified by the addition of Nd, Mn, Ga or Ge",
abstract = "Modification by Nd, Mn, Ga, and Ge substantially affect both physicochemical and catalytic properties of MoVNbTeO oxides in the oxidative dehydrogenation of ethane (ODE). The introduction of modifying additives changes the content of the M1 phase, surface acidity, and surface composition. It does not have an influence on the state of Mo, V, Nb, and Te on catalyst surface, but it induces surface enrichment (Ga, Mn) or depletion (Ge, Nd) by the modifying element. All of these additives have positive effects on catalytic properties at the M/Mo (M = modifying element) ratio of 0.0075 ÷ 0.025. They exhibit an increase of activity and prevent ethylene over-oxidation. The relationship between the rate constant of total ethane transformation and the M1 content confirms that this phase is active in ODE. The correlation between ethylene selectivity and the relative number of intermediate acid sites is revealed, indicating the role of surface acidity on ethylene over-oxidation.",
keywords = "Gallium, Germanium, Manganese, MoVNbTeO, Neodymium, Oxidative dehydrogenation of ethane",
author = "Lazareva, {E. V.} and Bondareva, {V. M.} and Svintsitskiy, {D. A.} and Ishchenko, {A. V.} and Marchuk, {A. S.} and Kovalev, {E. P.} and Kardash, {T. Yu}",
note = "This work was supported by the Russian Science Foundation, grant 17-73-20073.",
year = "2021",
month = feb,
day = "1",
doi = "10.1016/j.cattod.2019.12.029",
language = "English",
volume = "361",
pages = "50--56",
journal = "Catalysis Today",
issn = "0920-5861",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Oxidative dehydrogenation of ethane over M1 MoVNbTeO catalysts modified by the addition of Nd, Mn, Ga or Ge

AU - Lazareva, E. V.

AU - Bondareva, V. M.

AU - Svintsitskiy, D. A.

AU - Ishchenko, A. V.

AU - Marchuk, A. S.

AU - Kovalev, E. P.

AU - Kardash, T. Yu

N1 - This work was supported by the Russian Science Foundation, grant 17-73-20073.

PY - 2021/2/1

Y1 - 2021/2/1

N2 - Modification by Nd, Mn, Ga, and Ge substantially affect both physicochemical and catalytic properties of MoVNbTeO oxides in the oxidative dehydrogenation of ethane (ODE). The introduction of modifying additives changes the content of the M1 phase, surface acidity, and surface composition. It does not have an influence on the state of Mo, V, Nb, and Te on catalyst surface, but it induces surface enrichment (Ga, Mn) or depletion (Ge, Nd) by the modifying element. All of these additives have positive effects on catalytic properties at the M/Mo (M = modifying element) ratio of 0.0075 ÷ 0.025. They exhibit an increase of activity and prevent ethylene over-oxidation. The relationship between the rate constant of total ethane transformation and the M1 content confirms that this phase is active in ODE. The correlation between ethylene selectivity and the relative number of intermediate acid sites is revealed, indicating the role of surface acidity on ethylene over-oxidation.

AB - Modification by Nd, Mn, Ga, and Ge substantially affect both physicochemical and catalytic properties of MoVNbTeO oxides in the oxidative dehydrogenation of ethane (ODE). The introduction of modifying additives changes the content of the M1 phase, surface acidity, and surface composition. It does not have an influence on the state of Mo, V, Nb, and Te on catalyst surface, but it induces surface enrichment (Ga, Mn) or depletion (Ge, Nd) by the modifying element. All of these additives have positive effects on catalytic properties at the M/Mo (M = modifying element) ratio of 0.0075 ÷ 0.025. They exhibit an increase of activity and prevent ethylene over-oxidation. The relationship between the rate constant of total ethane transformation and the M1 content confirms that this phase is active in ODE. The correlation between ethylene selectivity and the relative number of intermediate acid sites is revealed, indicating the role of surface acidity on ethylene over-oxidation.

KW - Gallium

KW - Germanium

KW - Manganese

KW - MoVNbTeO

KW - Neodymium

KW - Oxidative dehydrogenation of ethane

UR - http://www.scopus.com/inward/record.url?scp=85077344579&partnerID=8YFLogxK

U2 - 10.1016/j.cattod.2019.12.029

DO - 10.1016/j.cattod.2019.12.029

M3 - Article

AN - SCOPUS:85077344579

VL - 361

SP - 50

EP - 56

JO - Catalysis Today

JF - Catalysis Today

SN - 0920-5861

ER -

ID: 23053640