Standard

The Reasons for Nonlinear Phenomena in Oxidation of Methane over Nickel. / Saraev, A. A.; Vinokurov, Z. S.; Shmakov, A. N. et al.

In: Kinetics and Catalysis, Vol. 59, No. 6, 01.11.2018, p. 810-819.

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

Harvard

Saraev, AA, Vinokurov, ZS, Shmakov, AN, Kaichev, VV & Bukhtiyarov, VI 2018, 'The Reasons for Nonlinear Phenomena in Oxidation of Methane over Nickel', Kinetics and Catalysis, vol. 59, no. 6, pp. 810-819. https://doi.org/10.1134/S0023158418060149

APA

Saraev, A. A., Vinokurov, Z. S., Shmakov, A. N., Kaichev, V. V., & Bukhtiyarov, V. I. (2018). The Reasons for Nonlinear Phenomena in Oxidation of Methane over Nickel. Kinetics and Catalysis, 59(6), 810-819. https://doi.org/10.1134/S0023158418060149

Vancouver

Saraev AA, Vinokurov ZS, Shmakov AN, Kaichev VV, Bukhtiyarov VI. The Reasons for Nonlinear Phenomena in Oxidation of Methane over Nickel. Kinetics and Catalysis. 2018 Nov 1;59(6):810-819. doi: 10.1134/S0023158418060149

Author

Saraev, A. A. ; Vinokurov, Z. S. ; Shmakov, A. N. et al. / The Reasons for Nonlinear Phenomena in Oxidation of Methane over Nickel. In: Kinetics and Catalysis. 2018 ; Vol. 59, No. 6. pp. 810-819.

BibTeX

@article{f187410e2da7453b8d2b23e73d176209,
title = "The Reasons for Nonlinear Phenomena in Oxidation of Methane over Nickel",
abstract = "Abstract: The catalytic oxidation of methane over nickel foil is studied. It is shown that, under the oxygen-lean conditions in the regime of a flow-type reactor, nonlinear phenomena can appear in the form of self-sustained oscillations of the reaction rate and the catalyst temperature. To determine the reasons for self-sustained oscillations, X-ray diffraction and mass spectrometry in the operandо mode were used. It was found that the appearance of oscillations in the methane oxidation is due to periodical oxidation–reduction of the surface layer of nickel foil; metallic nickel has a higher catalytic activity than NiO. The oscillations of the catalyst temperature are determined by the occurrence of exothermic and endothermic processes associated with the reduction of nickel oxide and methane oxidation on the surface of metallic nickel.",
keywords = "heterogeneous catalysis, methane oxidation, nickel, reaction mechanism, self-oscillations, KINETIC OSCILLATIONS, IN-SITU XPS, BEHAVIOR, PROPANE, SELF-SUSTAINED OSCILLATIONS, OXYGEN, REDUCTION, CATALYTIC-OXIDATION, PROPYLENE, OXIDES",
author = "Saraev, {A. A.} and Vinokurov, {Z. S.} and Shmakov, {A. N.} and Kaichev, {V. V.} and Bukhtiyarov, {V. I.}",
year = "2018",
month = nov,
day = "1",
doi = "10.1134/S0023158418060149",
language = "English",
volume = "59",
pages = "810--819",
journal = "Kinetics and Catalysis",
issn = "0023-1584",
publisher = "Maik Nauka-Interperiodica Publishing",
number = "6",

}

RIS

TY - JOUR

T1 - The Reasons for Nonlinear Phenomena in Oxidation of Methane over Nickel

AU - Saraev, A. A.

AU - Vinokurov, Z. S.

AU - Shmakov, A. N.

AU - Kaichev, V. V.

AU - Bukhtiyarov, V. I.

PY - 2018/11/1

Y1 - 2018/11/1

N2 - Abstract: The catalytic oxidation of methane over nickel foil is studied. It is shown that, under the oxygen-lean conditions in the regime of a flow-type reactor, nonlinear phenomena can appear in the form of self-sustained oscillations of the reaction rate and the catalyst temperature. To determine the reasons for self-sustained oscillations, X-ray diffraction and mass spectrometry in the operandо mode were used. It was found that the appearance of oscillations in the methane oxidation is due to periodical oxidation–reduction of the surface layer of nickel foil; metallic nickel has a higher catalytic activity than NiO. The oscillations of the catalyst temperature are determined by the occurrence of exothermic and endothermic processes associated with the reduction of nickel oxide and methane oxidation on the surface of metallic nickel.

AB - Abstract: The catalytic oxidation of methane over nickel foil is studied. It is shown that, under the oxygen-lean conditions in the regime of a flow-type reactor, nonlinear phenomena can appear in the form of self-sustained oscillations of the reaction rate and the catalyst temperature. To determine the reasons for self-sustained oscillations, X-ray diffraction and mass spectrometry in the operandо mode were used. It was found that the appearance of oscillations in the methane oxidation is due to periodical oxidation–reduction of the surface layer of nickel foil; metallic nickel has a higher catalytic activity than NiO. The oscillations of the catalyst temperature are determined by the occurrence of exothermic and endothermic processes associated with the reduction of nickel oxide and methane oxidation on the surface of metallic nickel.

KW - heterogeneous catalysis

KW - methane oxidation

KW - nickel

KW - reaction mechanism

KW - self-oscillations

KW - KINETIC OSCILLATIONS

KW - IN-SITU XPS

KW - BEHAVIOR

KW - PROPANE

KW - SELF-SUSTAINED OSCILLATIONS

KW - OXYGEN

KW - REDUCTION

KW - CATALYTIC-OXIDATION

KW - PROPYLENE

KW - OXIDES

UR - http://www.scopus.com/inward/record.url?scp=85062637684&partnerID=8YFLogxK

U2 - 10.1134/S0023158418060149

DO - 10.1134/S0023158418060149

M3 - Article

AN - SCOPUS:85062637684

VL - 59

SP - 810

EP - 819

JO - Kinetics and Catalysis

JF - Kinetics and Catalysis

SN - 0023-1584

IS - 6

ER -

ID: 18808651