Standard

Chemical and texture promoters in Cu-Fe-Al oxide nanocomposite catalysts for combustion of solid fuel gasification products. / Bulavchenko, O. A.; Pochtar, A. A.; Gerasimov, E. Yu et al.

In: Applied Catalysis A: General, Vol. 590, 117364, 25.01.2020.

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

Harvard

Bulavchenko, OA, Pochtar, AA, Gerasimov, EY, Fedorov, AV, Chesalov, YA, Saraev, AA, Yakovlev, VA & Kaichev, VV 2020, 'Chemical and texture promoters in Cu-Fe-Al oxide nanocomposite catalysts for combustion of solid fuel gasification products', Applied Catalysis A: General, vol. 590, 117364. https://doi.org/10.1016/j.apcata.2019.117364

APA

Bulavchenko, O. A., Pochtar, A. A., Gerasimov, E. Y., Fedorov, A. V., Chesalov, Y. A., Saraev, A. A., Yakovlev, V. A., & Kaichev, V. V. (2020). Chemical and texture promoters in Cu-Fe-Al oxide nanocomposite catalysts for combustion of solid fuel gasification products. Applied Catalysis A: General, 590, [117364]. https://doi.org/10.1016/j.apcata.2019.117364

Vancouver

Bulavchenko OA, Pochtar AA, Gerasimov EY, Fedorov AV, Chesalov YA, Saraev AA et al. Chemical and texture promoters in Cu-Fe-Al oxide nanocomposite catalysts for combustion of solid fuel gasification products. Applied Catalysis A: General. 2020 Jan 25;590:117364. doi: 10.1016/j.apcata.2019.117364

Author

Bulavchenko, O. A. ; Pochtar, A. A. ; Gerasimov, E. Yu et al. / Chemical and texture promoters in Cu-Fe-Al oxide nanocomposite catalysts for combustion of solid fuel gasification products. In: Applied Catalysis A: General. 2020 ; Vol. 590.

BibTeX

@article{540649e9e958406784731e34eeaa6dcb,
title = "Chemical and texture promoters in Cu-Fe-Al oxide nanocomposite catalysts for combustion of solid fuel gasification products",
abstract = "The Fe-Al and Cu-Fe-Al oxide nanocomposites active in the oxidation of CO were studied by XRD, TEM, EDX, Raman spectroscopy, TPR-H2 and differential dissolution techniques. The nanocomposites were prepared by fusion of aluminum, iron, and copper salts that leads to their inhomogeneity. The Al3+ cations partially dissolve in the Fe2O3 lattice, which leads to a significant decrease in size of iron oxide. Copper locates in the Al-rich agglomerates to form CuO nanoparticles and partially dissolves in alumina. The dissolution of copper in iron oxide and formation of a (Cu,Al,Fe)3O4 spinel was observed only at a high Cu loading. Hence, aluminum plays the role of a textural promoter, preventing sintering and stabilization of the high specific surface area of oxide. Copper does not act as a textural promoter, as it does not affect the crystal size of iron oxide. The addition of Cu increases the catalytic activity of iron oxide-based catalysts.",
keywords = "CO oxidation, Copper oxide, Heterogeneous catalysis, Iron oxide, Solid solution, OXIDATION, CUFE2O4, RAMAN, XRD, CHROMIUM, GAS SHIFT REACTION, CARBON-MONOXIDE, TPR, IN-SITU CHARACTERIZATION, IRON-BASED CATALYSTS",
author = "Bulavchenko, {O. A.} and Pochtar, {A. A.} and Gerasimov, {E. Yu} and Fedorov, {A. V.} and Chesalov, {Yu A.} and Saraev, {A. A.} and Yakovlev, {V. A.} and Kaichev, {V. V.}",
note = "Publisher Copyright: {\textcopyright} 2019",
year = "2020",
month = jan,
day = "25",
doi = "10.1016/j.apcata.2019.117364",
language = "English",
volume = "590",
journal = "Applied Catalysis A: General",
issn = "0926-860X",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Chemical and texture promoters in Cu-Fe-Al oxide nanocomposite catalysts for combustion of solid fuel gasification products

AU - Bulavchenko, O. A.

AU - Pochtar, A. A.

AU - Gerasimov, E. Yu

AU - Fedorov, A. V.

AU - Chesalov, Yu A.

AU - Saraev, A. A.

AU - Yakovlev, V. A.

AU - Kaichev, V. V.

N1 - Publisher Copyright: © 2019

PY - 2020/1/25

Y1 - 2020/1/25

N2 - The Fe-Al and Cu-Fe-Al oxide nanocomposites active in the oxidation of CO were studied by XRD, TEM, EDX, Raman spectroscopy, TPR-H2 and differential dissolution techniques. The nanocomposites were prepared by fusion of aluminum, iron, and copper salts that leads to their inhomogeneity. The Al3+ cations partially dissolve in the Fe2O3 lattice, which leads to a significant decrease in size of iron oxide. Copper locates in the Al-rich agglomerates to form CuO nanoparticles and partially dissolves in alumina. The dissolution of copper in iron oxide and formation of a (Cu,Al,Fe)3O4 spinel was observed only at a high Cu loading. Hence, aluminum plays the role of a textural promoter, preventing sintering and stabilization of the high specific surface area of oxide. Copper does not act as a textural promoter, as it does not affect the crystal size of iron oxide. The addition of Cu increases the catalytic activity of iron oxide-based catalysts.

AB - The Fe-Al and Cu-Fe-Al oxide nanocomposites active in the oxidation of CO were studied by XRD, TEM, EDX, Raman spectroscopy, TPR-H2 and differential dissolution techniques. The nanocomposites were prepared by fusion of aluminum, iron, and copper salts that leads to their inhomogeneity. The Al3+ cations partially dissolve in the Fe2O3 lattice, which leads to a significant decrease in size of iron oxide. Copper locates in the Al-rich agglomerates to form CuO nanoparticles and partially dissolves in alumina. The dissolution of copper in iron oxide and formation of a (Cu,Al,Fe)3O4 spinel was observed only at a high Cu loading. Hence, aluminum plays the role of a textural promoter, preventing sintering and stabilization of the high specific surface area of oxide. Copper does not act as a textural promoter, as it does not affect the crystal size of iron oxide. The addition of Cu increases the catalytic activity of iron oxide-based catalysts.

KW - CO oxidation

KW - Copper oxide

KW - Heterogeneous catalysis

KW - Iron oxide

KW - Solid solution

KW - OXIDATION

KW - CUFE2O4

KW - RAMAN

KW - XRD

KW - CHROMIUM

KW - GAS SHIFT REACTION

KW - CARBON-MONOXIDE

KW - TPR

KW - IN-SITU CHARACTERIZATION

KW - IRON-BASED CATALYSTS

UR - http://www.scopus.com/inward/record.url?scp=85075797492&partnerID=8YFLogxK

U2 - 10.1016/j.apcata.2019.117364

DO - 10.1016/j.apcata.2019.117364

M3 - Article

AN - SCOPUS:85075797492

VL - 590

JO - Applied Catalysis A: General

JF - Applied Catalysis A: General

SN - 0926-860X

M1 - 117364

ER -

ID: 22474780