Synthesis and studies of structured support Ce0.75Zr0.25O2/θ-Al2O3/FeCrAl

V. N. Rogozhnikov; A. N. Salanov; D. I. Potemkin; A. P. Glotov; S. V. Boev; P. V. Snytnikov

doi:10.1016/j.matlet.2020.128855

Synthesis and studies of structured support Ce_0.75Zr_0.25O₂/θ-Al₂O₃/FeCrAl

V. N. Rogozhnikov, A. N. Salanov, D. I. Potemkin, A. P. Glotov, S. V. Boev, P. V. Snytnikov

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

The procedure for preparing a structured composite system Ce_0.75Zr_0.25O₂/θ-Al₂O₃/FeCrAl, which is used as a support for complete oxidation catalysts and catalysts for the conversion of liquid and gaseous hydrocarbons into synthesis gas, has been improved. The method for the synthesis of Ce_0.75Zr_0.25O₂ powder has been optimized to facilitate its depositing on a FeCrAl mesh pre-coated by protective θ-Al₂O₃ layer. It has been shown by X-ray diffraction that the model powder sample and the cerium-zirconium mixed oxide coating on the alumina-precoated FeCrAl mesh have the same phase compositions. The protective layer of θ-Al₂O₃ on FeCrAl mesh possesses excellent adhesion properties that ensures high mechanical strength of the Ce_0.75Zr_0.25O₂ coating under repeated heating–cooling cycles. The use of metal substrate as a component of the composite support provides high thermal conductivity, and thus reduces the formation of local hot spots under conditions of highly exothermic catalytic processes.

Язык оригинала	английский
Номер статьи	128855
Число страниц	4
Журнал	Materials Letters
Том	283
DOI	https://doi.org/10.1016/j.matlet.2020.128855
Состояние	Опубликовано - 15 янв. 2021

Предметные области OECD FOS+WOS

1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ
2.05 ТЕХНОЛОГИЯ МАТЕРИАЛОВ

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10.1016/j.matlet.2020.128855

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@article{cdd5882c0aa0497cbf2c4b3333bd6e43,

title = "Synthesis and studies of structured support Ce0.75Zr0.25O2/θ-Al2O3/FeCrAl",

abstract = "The procedure for preparing a structured composite system Ce0.75Zr0.25O2/θ-Al2O3/FeCrAl, which is used as a support for complete oxidation catalysts and catalysts for the conversion of liquid and gaseous hydrocarbons into synthesis gas, has been improved. The method for the synthesis of Ce0.75Zr0.25O2 powder has been optimized to facilitate its depositing on a FeCrAl mesh pre-coated by protective θ-Al2O3 layer. It has been shown by X-ray diffraction that the model powder sample and the cerium-zirconium mixed oxide coating on the alumina-precoated FeCrAl mesh have the same phase compositions. The protective layer of θ-Al2O3 on FeCrAl mesh possesses excellent adhesion properties that ensures high mechanical strength of the Ce0.75Zr0.25O2 coating under repeated heating–cooling cycles. The use of metal substrate as a component of the composite support provides high thermal conductivity, and thus reduces the formation of local hot spots under conditions of highly exothermic catalytic processes.",

keywords = "Adhesion, Alumina, Ce-Zr mixed oxide, Deposition, FeCrAlloy wire mesh, Structured catalysts",

author = "Rogozhnikov, {V. N.} and Salanov, {A. N.} and Potemkin, {D. I.} and Glotov, {A. P.} and Boev, {S. V.} and Snytnikov, {P. V.}",

note = "The reported study was financially supported by Russian Foundation for Basic Research project. 19-33-60057 Perspektiva (Rogozhnikov V.N.). Samples characterization was conducted within the framework of budget project AAAA-A17-117041710088-0 for Boreskov Institute of Catalysis.",

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doi = "10.1016/j.matlet.2020.128855",

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Synthesis and studies of structured support Ce_0.75Zr_0.25O₂/θ-Al₂O₃/FeCrAl. / Rogozhnikov, V. N.; Salanov, A. N.; Potemkin, D. I. и др.

В: Materials Letters, Том 283, 128855, 15.01.2021.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - Synthesis and studies of structured support Ce0.75Zr0.25O2/θ-Al2O3/FeCrAl

AU - Rogozhnikov, V. N.

AU - Salanov, A. N.

AU - Potemkin, D. I.

AU - Glotov, A. P.

AU - Boev, S. V.

AU - Snytnikov, P. V.

N1 - The reported study was financially supported by Russian Foundation for Basic Research project. 19-33-60057 Perspektiva (Rogozhnikov V.N.). Samples characterization was conducted within the framework of budget project AAAA-A17-117041710088-0 for Boreskov Institute of Catalysis.

PY - 2021/1/15

Y1 - 2021/1/15

N2 - The procedure for preparing a structured composite system Ce0.75Zr0.25O2/θ-Al2O3/FeCrAl, which is used as a support for complete oxidation catalysts and catalysts for the conversion of liquid and gaseous hydrocarbons into synthesis gas, has been improved. The method for the synthesis of Ce0.75Zr0.25O2 powder has been optimized to facilitate its depositing on a FeCrAl mesh pre-coated by protective θ-Al2O3 layer. It has been shown by X-ray diffraction that the model powder sample and the cerium-zirconium mixed oxide coating on the alumina-precoated FeCrAl mesh have the same phase compositions. The protective layer of θ-Al2O3 on FeCrAl mesh possesses excellent adhesion properties that ensures high mechanical strength of the Ce0.75Zr0.25O2 coating under repeated heating–cooling cycles. The use of metal substrate as a component of the composite support provides high thermal conductivity, and thus reduces the formation of local hot spots under conditions of highly exothermic catalytic processes.

AB - The procedure for preparing a structured composite system Ce0.75Zr0.25O2/θ-Al2O3/FeCrAl, which is used as a support for complete oxidation catalysts and catalysts for the conversion of liquid and gaseous hydrocarbons into synthesis gas, has been improved. The method for the synthesis of Ce0.75Zr0.25O2 powder has been optimized to facilitate its depositing on a FeCrAl mesh pre-coated by protective θ-Al2O3 layer. It has been shown by X-ray diffraction that the model powder sample and the cerium-zirconium mixed oxide coating on the alumina-precoated FeCrAl mesh have the same phase compositions. The protective layer of θ-Al2O3 on FeCrAl mesh possesses excellent adhesion properties that ensures high mechanical strength of the Ce0.75Zr0.25O2 coating under repeated heating–cooling cycles. The use of metal substrate as a component of the composite support provides high thermal conductivity, and thus reduces the formation of local hot spots under conditions of highly exothermic catalytic processes.

KW - Adhesion

KW - Alumina

KW - Ce-Zr mixed oxide

KW - Deposition

KW - FeCrAlloy wire mesh

KW - Structured catalysts

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VL - 283

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JF - Materials Letters

SN - 0167-577X

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