Selective oxidation of alcohols over Ag-containing Si₃N ₄ catalysts

Olga V. Vodyankina, A. S. Blokhina, I. A. Kurzina, V. I. Sobolev, K. Yu Koltunov, L. N. Chukhlomina, E. S. Dvilis

Innovation Centre for Nanomaterials and Nanotechnologies

Research output: Contribution to journal › Article

Abstract

Ag-containing ceramic catalysts modified or unmodified with Zr and Al were studied in selective catalytic oxidation of ethylene glycol and ethanol into the corresponding carbonyl compounds. The influence of phase and chemical composition of ceramic supports prepared by the self-propagating high-temperature synthesis (SHS) on the basis of silicon nitride was considered. The catalysts were characterized by X-ray diffraction, using scanning electron microscope (SEM) equipped with energy dispersive X-ray analysis (EDX) unit, and tested in selective oxidation of ethanol and ethylene glycol into acetaldehyde and glyoxal, respectively. It was shown that the presence of ZrO₂ and Si₃Al₁₂O₉N₁₀ phases in the support composition allowed increasing glyoxal selectivity up to 50% at 87% conversion of glycol. Ag-containing ceramic catalysts also demonstrated high selectivity/activity in ethanol oxidation (95% acetaldehyde selectivity and 100% ethanol conversion at 300 °C), while the support phase composition did not influence the catalytic performance.

Original language	English
Pages (from-to)	127-132
Number of pages	6
Journal	Catalysis Today
Volume	203
DOIs	https://doi.org/10.1016/j.cattod.2012.02.056
Publication status	Published - 30 Mar 2013

Fingerprint

Alcohols

Ethanol

Glyoxal

Oxidation

Catalysts

Acetaldehyde

Ethylene Glycol

Catalyst selectivity

Ethylene glycol

Carbonyl compounds

Glycols

Energy dispersive X ray analysis

Catalytic oxidation

Chemical analysis

Silicon nitride

Phase composition

Catalyst activity

Electron microscopes

Scanning

X ray diffraction

Keywords

Ag-containing catalyst
Ethanol
Ethylene glycol
Selective oxidation
Self-propagating high-temperature synthesis
SiN ceramic support

ASJC Scopus subject areas

Catalysis
Chemistry(all)

Cite this

Vodyankina, O. V., Blokhina, A. S., Kurzina, I. A., Sobolev, V. I., Koltunov, K. Y., Chukhlomina, L. N., & Dvilis, E. S. (2013). Selective oxidation of alcohols over Ag-containing Si₃N ₄ catalysts. Catalysis Today, 203, 127-132. https://doi.org/10.1016/j.cattod.2012.02.056

Selective oxidation of alcohols over Ag-containing Si₃N ₄ catalysts. / Vodyankina, Olga V.; Blokhina, A. S.; Kurzina, I. A.; Sobolev, V. I.; Koltunov, K. Yu; Chukhlomina, L. N.; Dvilis, E. S.

In: Catalysis Today, Vol. 203, 30.03.2013, p. 127-132.

Research output: Contribution to journal › Article

Vodyankina, OV, Blokhina, AS, Kurzina, IA, Sobolev, VI, Koltunov, KY, Chukhlomina, LN & Dvilis, ES 2013, 'Selective oxidation of alcohols over Ag-containing Si₃N ₄ catalysts', Catalysis Today, vol. 203, pp. 127-132. https://doi.org/10.1016/j.cattod.2012.02.056

Vodyankina OV, Blokhina AS, Kurzina IA, Sobolev VI, Koltunov KY, Chukhlomina LN et al. Selective oxidation of alcohols over Ag-containing Si₃N ₄ catalysts. Catalysis Today. 2013 Mar 30;203:127-132. https://doi.org/10.1016/j.cattod.2012.02.056

Vodyankina, Olga V. ; Blokhina, A. S. ; Kurzina, I. A. ; Sobolev, V. I. ; Koltunov, K. Yu ; Chukhlomina, L. N. ; Dvilis, E. S. / Selective oxidation of alcohols over Ag-containing Si₃N ₄ catalysts. In: Catalysis Today. 2013 ; Vol. 203. pp. 127-132.

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abstract = "Ag-containing ceramic catalysts modified or unmodified with Zr and Al were studied in selective catalytic oxidation of ethylene glycol and ethanol into the corresponding carbonyl compounds. The influence of phase and chemical composition of ceramic supports prepared by the self-propagating high-temperature synthesis (SHS) on the basis of silicon nitride was considered. The catalysts were characterized by X-ray diffraction, using scanning electron microscope (SEM) equipped with energy dispersive X-ray analysis (EDX) unit, and tested in selective oxidation of ethanol and ethylene glycol into acetaldehyde and glyoxal, respectively. It was shown that the presence of ZrO2 and Si3Al12O9N10 phases in the support composition allowed increasing glyoxal selectivity up to 50{\%} at 87{\%} conversion of glycol. Ag-containing ceramic catalysts also demonstrated high selectivity/activity in ethanol oxidation (95{\%} acetaldehyde selectivity and 100{\%} ethanol conversion at 300 °C), while the support phase composition did not influence the catalytic performance.",

keywords = "Ag-containing catalyst, Ethanol, Ethylene glycol, Selective oxidation, Self-propagating high-temperature synthesis, SiN ceramic support",

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AU - Sobolev, V. I.

AU - Koltunov, K. Yu

AU - Chukhlomina, L. N.

AU - Dvilis, E. S.

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N2 - Ag-containing ceramic catalysts modified or unmodified with Zr and Al were studied in selective catalytic oxidation of ethylene glycol and ethanol into the corresponding carbonyl compounds. The influence of phase and chemical composition of ceramic supports prepared by the self-propagating high-temperature synthesis (SHS) on the basis of silicon nitride was considered. The catalysts were characterized by X-ray diffraction, using scanning electron microscope (SEM) equipped with energy dispersive X-ray analysis (EDX) unit, and tested in selective oxidation of ethanol and ethylene glycol into acetaldehyde and glyoxal, respectively. It was shown that the presence of ZrO2 and Si3Al12O9N10 phases in the support composition allowed increasing glyoxal selectivity up to 50% at 87% conversion of glycol. Ag-containing ceramic catalysts also demonstrated high selectivity/activity in ethanol oxidation (95% acetaldehyde selectivity and 100% ethanol conversion at 300 °C), while the support phase composition did not influence the catalytic performance.

AB - Ag-containing ceramic catalysts modified or unmodified with Zr and Al were studied in selective catalytic oxidation of ethylene glycol and ethanol into the corresponding carbonyl compounds. The influence of phase and chemical composition of ceramic supports prepared by the self-propagating high-temperature synthesis (SHS) on the basis of silicon nitride was considered. The catalysts were characterized by X-ray diffraction, using scanning electron microscope (SEM) equipped with energy dispersive X-ray analysis (EDX) unit, and tested in selective oxidation of ethanol and ethylene glycol into acetaldehyde and glyoxal, respectively. It was shown that the presence of ZrO2 and Si3Al12O9N10 phases in the support composition allowed increasing glyoxal selectivity up to 50% at 87% conversion of glycol. Ag-containing ceramic catalysts also demonstrated high selectivity/activity in ethanol oxidation (95% acetaldehyde selectivity and 100% ethanol conversion at 300 °C), while the support phase composition did not influence the catalytic performance.

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Access to Document

10.1016/j.cattod.2012.02.056