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In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction. / Kremneva, A. M.; Saraev, A. A.; Mishenko, D. D. et al.

In: Journal of Structural Chemistry, Vol. 66, No. 4, 07.05.2025, p. 689-701.

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

Harvard

Kremneva, AM, Saraev, AA, Mishenko, DD, Khramov, EV, Trigub, AL & Kaichev, VV 2025, 'In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction', Journal of Structural Chemistry, vol. 66, no. 4, pp. 689-701. https://doi.org/10.1134/S0022476625040055

APA

Kremneva, A. M., Saraev, A. A., Mishenko, D. D., Khramov, E. V., Trigub, A. L., & Kaichev, V. V. (2025). In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction. Journal of Structural Chemistry, 66(4), 689-701. https://doi.org/10.1134/S0022476625040055

Vancouver

Kremneva AM, Saraev AA, Mishenko DD, Khramov EV, Trigub AL, Kaichev VV. In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction. Journal of Structural Chemistry. 2025 May 7;66(4):689-701. doi: 10.1134/S0022476625040055

Author

Kremneva, A. M. ; Saraev, A. A. ; Mishenko, D. D. et al. / In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction. In: Journal of Structural Chemistry. 2025 ; Vol. 66, No. 4. pp. 689-701.

BibTeX

@article{77017ddea93c47d3b27bb4105ef599d0,
title = "In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction",
abstract = "Abstract: Catalysts based on copper ferrite and copper aluminate are highly active in the reaction of CO oxidation. We report a detailed in situ X-ray absorption spectroscopy study of CuFe2O4 and CuAl2O4 reduction in a CO flow in the temperature range from 30 °C to 600 °C. It is shown that the reduction of copper ferrite and copper aluminate in a CO flow leads to the formation of metallic copper. The reduction of copper from Cu2+ to Cu1+ and Cu0 in copper ferrite occurs at lower temperatures (250-300 °C) than in copper aluminate (above 400 °C). The reduction of copper ferrite also leads to the formation of metallic iron as a result of the following stages: CuFe2O4 → Fe3O4 → FeO → Fe.",
keywords = "CO oxidation, copper aluminate, copper ferrite, in situ study",
author = "Kremneva, {A. M.} and Saraev, {A. A.} and Mishenko, {D. D.} and Khramov, {E. V.} and Trigub, {A. L.} and Kaichev, {V. V.}",
note = "This work was funded by the Ministry of Science and Higher Education of the Russian Federation (Agreement No. 075-15-2022-263). Some experiments were conducted at the EXAFS Spectroscopy Station of the Siberian Synchrotron and Terahertz Radiation Center. In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction / A. M. Kremneva, A. A. Saraev, D. D. Mishenko [et al.] // Journal of Structural Chemistry. – 2025. – Vol. 66, No. 4. – P. 689-701. – DOI 10.1134/S0022476625040055.",
year = "2025",
month = may,
day = "7",
doi = "10.1134/S0022476625040055",
language = "English",
volume = "66",
pages = "689--701",
journal = "Journal of Structural Chemistry",
issn = "0022-4766",
publisher = "Springer",
number = "4",

}

RIS

TY - JOUR

T1 - In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction

AU - Kremneva, A. M.

AU - Saraev, A. A.

AU - Mishenko, D. D.

AU - Khramov, E. V.

AU - Trigub, A. L.

AU - Kaichev, V. V.

N1 - This work was funded by the Ministry of Science and Higher Education of the Russian Federation (Agreement No. 075-15-2022-263). Some experiments were conducted at the EXAFS Spectroscopy Station of the Siberian Synchrotron and Terahertz Radiation Center. In Situ X-Ray Absorption Spectroscopy Study of Copper Ferrite and Copper Aluminate Reduction / A. M. Kremneva, A. A. Saraev, D. D. Mishenko [et al.] // Journal of Structural Chemistry. – 2025. – Vol. 66, No. 4. – P. 689-701. – DOI 10.1134/S0022476625040055.

PY - 2025/5/7

Y1 - 2025/5/7

N2 - Abstract: Catalysts based on copper ferrite and copper aluminate are highly active in the reaction of CO oxidation. We report a detailed in situ X-ray absorption spectroscopy study of CuFe2O4 and CuAl2O4 reduction in a CO flow in the temperature range from 30 °C to 600 °C. It is shown that the reduction of copper ferrite and copper aluminate in a CO flow leads to the formation of metallic copper. The reduction of copper from Cu2+ to Cu1+ and Cu0 in copper ferrite occurs at lower temperatures (250-300 °C) than in copper aluminate (above 400 °C). The reduction of copper ferrite also leads to the formation of metallic iron as a result of the following stages: CuFe2O4 → Fe3O4 → FeO → Fe.

AB - Abstract: Catalysts based on copper ferrite and copper aluminate are highly active in the reaction of CO oxidation. We report a detailed in situ X-ray absorption spectroscopy study of CuFe2O4 and CuAl2O4 reduction in a CO flow in the temperature range from 30 °C to 600 °C. It is shown that the reduction of copper ferrite and copper aluminate in a CO flow leads to the formation of metallic copper. The reduction of copper from Cu2+ to Cu1+ and Cu0 in copper ferrite occurs at lower temperatures (250-300 °C) than in copper aluminate (above 400 °C). The reduction of copper ferrite also leads to the formation of metallic iron as a result of the following stages: CuFe2O4 → Fe3O4 → FeO → Fe.

KW - CO oxidation

KW - copper aluminate

KW - copper ferrite

KW - in situ study

UR - https://www.mendeley.com/catalogue/3b448d78-670b-3f42-b242-223cb1d5ea5f/

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-105004438829&origin=inward&txGid=ddbdc82ce04bf7a20922ad6349c8f2e9

UR - https://elibrary.ru/item.asp?id=82272134

U2 - 10.1134/S0022476625040055

DO - 10.1134/S0022476625040055

M3 - Article

VL - 66

SP - 689

EP - 701

JO - Journal of Structural Chemistry

JF - Journal of Structural Chemistry

SN - 0022-4766

IS - 4

ER -

ID: 66252117