The Structure of Mixed Mn–Co Oxide Catalysts for CO Oxidation

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The Structure of Mixed Mn–Co Oxide Catalysts for CO Oxidation. / Bulavchenko, O. A.; Afonasenko, T. N.; Sigaeva, S. S. et al.

In: Topics in Catalysis, Vol. 63, No. 1-2, 01.03.2020, p. 75-85.

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

Harvard

Bulavchenko, OA, Afonasenko, TN, Sigaeva, SS, Ivanchikova, AV, Saraev, AA , Gerasimov, EY , Kaichev, VV & Tsybulya, SV 2020, 'The Structure of Mixed Mn–Co Oxide Catalysts for CO Oxidation', Topics in Catalysis, vol. 63, no. 1-2, pp. 75-85. https://doi.org/10.1007/s11244-020-01230-1

APA

Bulavchenko, O. A., Afonasenko, T. N., Sigaeva, S. S., Ivanchikova, A. V., Saraev, A. A., Gerasimov, E. Y., Kaichev, V. V., & Tsybulya, S. V. (2020). The Structure of Mixed Mn–Co Oxide Catalysts for CO Oxidation. Topics in Catalysis, 63(1-2), 75-85. https://doi.org/10.1007/s11244-020-01230-1

Vancouver

Bulavchenko OA, Afonasenko TN, Sigaeva SS, Ivanchikova AV, Saraev AA , Gerasimov EY et al. The Structure of Mixed Mn–Co Oxide Catalysts for CO Oxidation. Topics in Catalysis. 2020 Mar 1;63(1-2):75-85. doi: 10.1007/s11244-020-01230-1

Author

Bulavchenko, O. A. ; Afonasenko, T. N. ; Sigaeva, S. S. et al. / The Structure of Mixed Mn–Co Oxide Catalysts for CO Oxidation. In: Topics in Catalysis. 2020 ; Vol. 63, No. 1-2. pp. 75-85.

BibTeX

@article{5bf28f0375354708982a4a3e004198c4,

title = "The Structure of Mixed Mn–Co Oxide Catalysts for CO Oxidation",

abstract = "A series of Mn5Co1Ox catalysts calcined at different temperatures in the range of 400–800 °C were synthesized by coprecipitation of manganese and cobalt nitrates and tested in the oxidation of CO. The specific surface area, structure, and chemistry of the catalysts were studied. In addition, the reduction of the catalysts by hydrogen was studied using in situ X-ray diffraction and temperature-programmed reduction techniques. It was found that the low-temperature catalyst calcined at 400 °C displays the best catalytic activity, which is attributed to its high surface area, low-temperature reducibility, and a high surface content of Mn4+. The formation of highly disperse and active CoMnO3 species and excess oxygen in a Mn3−xCoxO4+δ spinel leads to excellent low-temperature redox properties. The elevated temperature calcination results in a decline in the catalytic activity in CO oxidation due to formation of a well crystalline Mn3−xCoxO4 spinel, a decrease in the surface area and reducibility.",

keywords = "CO oxidation, Co oxide, Heterogeneous catalysts, Mn oxide, Mn–Co mixed oxides, Solid solution, THIN-FILMS, TEMPERATURE-PROGRAMMED REDUCTION, PERFORMANCE, HYDRODESULFURIZATION, TOLUENE, OXYGEN, NANOPARTICLES, SUPPORT, REMOVAL, Mn-Co mixed oxides, VOLATILE ORGANIC-COMPOUNDS",

author = "Bulavchenko, {O. A.} and Afonasenko, {T. N.} and Sigaeva, {S. S.} and Ivanchikova, {A. V.} and Saraev, {A. A.} and Gerasimov, {E. Yu} and Kaichev, {V. V.} and Tsybulya, {S. V.}",

year = "2020",

month = mar,

day = "1",

doi = "10.1007/s11244-020-01230-1",

language = "English",

volume = "63",

pages = "75--85",

journal = "Topics in Catalysis",

issn = "1022-5528",

publisher = "Springer Netherlands",

number = "1-2",

}

RIS

TY - JOUR

T1 - The Structure of Mixed Mn–Co Oxide Catalysts for CO Oxidation

AU - Bulavchenko, O. A.

AU - Afonasenko, T. N.

AU - Sigaeva, S. S.

AU - Ivanchikova, A. V.

AU - Saraev, A. A.

AU - Gerasimov, E. Yu

AU - Kaichev, V. V.

AU - Tsybulya, S. V.

PY - 2020/3/1

Y1 - 2020/3/1

N2 - A series of Mn5Co1Ox catalysts calcined at different temperatures in the range of 400–800 °C were synthesized by coprecipitation of manganese and cobalt nitrates and tested in the oxidation of CO. The specific surface area, structure, and chemistry of the catalysts were studied. In addition, the reduction of the catalysts by hydrogen was studied using in situ X-ray diffraction and temperature-programmed reduction techniques. It was found that the low-temperature catalyst calcined at 400 °C displays the best catalytic activity, which is attributed to its high surface area, low-temperature reducibility, and a high surface content of Mn4+. The formation of highly disperse and active CoMnO3 species and excess oxygen in a Mn3−xCoxO4+δ spinel leads to excellent low-temperature redox properties. The elevated temperature calcination results in a decline in the catalytic activity in CO oxidation due to formation of a well crystalline Mn3−xCoxO4 spinel, a decrease in the surface area and reducibility.

AB - A series of Mn5Co1Ox catalysts calcined at different temperatures in the range of 400–800 °C were synthesized by coprecipitation of manganese and cobalt nitrates and tested in the oxidation of CO. The specific surface area, structure, and chemistry of the catalysts were studied. In addition, the reduction of the catalysts by hydrogen was studied using in situ X-ray diffraction and temperature-programmed reduction techniques. It was found that the low-temperature catalyst calcined at 400 °C displays the best catalytic activity, which is attributed to its high surface area, low-temperature reducibility, and a high surface content of Mn4+. The formation of highly disperse and active CoMnO3 species and excess oxygen in a Mn3−xCoxO4+δ spinel leads to excellent low-temperature redox properties. The elevated temperature calcination results in a decline in the catalytic activity in CO oxidation due to formation of a well crystalline Mn3−xCoxO4 spinel, a decrease in the surface area and reducibility.

KW - CO oxidation

KW - Co oxide

KW - Heterogeneous catalysts

KW - Mn oxide

KW - Mn–Co mixed oxides

KW - Solid solution

KW - THIN-FILMS

KW - TEMPERATURE-PROGRAMMED REDUCTION

KW - PERFORMANCE

KW - HYDRODESULFURIZATION

KW - TOLUENE

KW - OXYGEN

KW - NANOPARTICLES

KW - SUPPORT

KW - REMOVAL

KW - Mn-Co mixed oxides

KW - VOLATILE ORGANIC-COMPOUNDS

UR - http://www.scopus.com/inward/record.url?scp=85079234205&partnerID=8YFLogxK

U2 - 10.1007/s11244-020-01230-1

DO - 10.1007/s11244-020-01230-1

M3 - Article

AN - SCOPUS:85079234205

VL - 63

SP - 75

EP - 85

JO - Topics in Catalysis

JF - Topics in Catalysis

SN - 1022-5528

IS - 1-2

ER -

ID: 23424930