The influence of manganese amount in oxyhydroxide of aluminium - precursor of MnOx-Al2O3 catalysts on catalytic activity in reaction of oxidation of C1-C3 of hydrocarbons

Olga I. Sidorova, Sergey I. Galanov, Elena N. Gryaznova, Ludmila N. Shiyan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The authors have synthesized nanofibrous aluminum oxyhydroxide (AlOOH), modified with different amounts of manganese ions (II), which is the precursor for methane deep oxidation catalysts. It was shown that the catalytic activity of the manganese-based system obtained depends on manganese amount and thermal activation conditions. It is approved that as the catalyst for deep oxidation of hydrocarbons the system with manganese content of 10.5 wt. % is the most perspective despite the fact that the oxidation rate of methane is lower in it than in the catalyst with Mn content of 5.7 wt. %. As opposed to the catalyst with Mn content of 5.7 wt. %., where the aluminium oxide is in metastable form (σ-Al2O3), the catalyst with manganese content of 10.5 wt. % contains in its structure a thermodynamically and thermally stable α-Al2O3 phase.

Original languageEnglish
Title of host publicationKey Engineering Materials
PublisherTrans Tech Publications Ltd
Pages27-32
Number of pages6
Volume670
ISBN (Print)9783038356127
DOIs
Publication statusPublished - 2015
EventInternational Scientific Conference on Multifunctional Chemical Materials and Technologies, MCMT 2015 - Tomsk, Russian Federation
Duration: 21 May 201522 May 2015

Publication series

NameKey Engineering Materials
Volume670
ISSN (Print)10139826

Other

OtherInternational Scientific Conference on Multifunctional Chemical Materials and Technologies, MCMT 2015
CountryRussian Federation
CityTomsk
Period21.5.1522.5.15

Fingerprint

Manganese
Hydrocarbons
Aluminum
Catalyst activity
Oxidation
Catalysts
Methane
Aluminum Oxide
Chemical activation
Ions
Oxides

Keywords

  • Manganese-containing catalytic systems
  • Reaction of deep oxidation of hydrocarbons

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Sidorova, O. I., Galanov, S. I., Gryaznova, E. N., & Shiyan, L. N. (2015). The influence of manganese amount in oxyhydroxide of aluminium - precursor of MnOx-Al2O3 catalysts on catalytic activity in reaction of oxidation of C1-C3 of hydrocarbons. In Key Engineering Materials (Vol. 670, pp. 27-32). (Key Engineering Materials; Vol. 670). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.670.27

The influence of manganese amount in oxyhydroxide of aluminium - precursor of MnOx-Al2O3 catalysts on catalytic activity in reaction of oxidation of C1-C3 of hydrocarbons. / Sidorova, Olga I.; Galanov, Sergey I.; Gryaznova, Elena N.; Shiyan, Ludmila N.

Key Engineering Materials. Vol. 670 Trans Tech Publications Ltd, 2015. p. 27-32 (Key Engineering Materials; Vol. 670).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sidorova, OI, Galanov, SI, Gryaznova, EN & Shiyan, LN 2015, The influence of manganese amount in oxyhydroxide of aluminium - precursor of MnOx-Al2O3 catalysts on catalytic activity in reaction of oxidation of C1-C3 of hydrocarbons. in Key Engineering Materials. vol. 670, Key Engineering Materials, vol. 670, Trans Tech Publications Ltd, pp. 27-32, International Scientific Conference on Multifunctional Chemical Materials and Technologies, MCMT 2015, Tomsk, Russian Federation, 21.5.15. https://doi.org/10.4028/www.scientific.net/KEM.670.27
Sidorova, Olga I. ; Galanov, Sergey I. ; Gryaznova, Elena N. ; Shiyan, Ludmila N. / The influence of manganese amount in oxyhydroxide of aluminium - precursor of MnOx-Al2O3 catalysts on catalytic activity in reaction of oxidation of C1-C3 of hydrocarbons. Key Engineering Materials. Vol. 670 Trans Tech Publications Ltd, 2015. pp. 27-32 (Key Engineering Materials).
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AU - Gryaznova, Elena N.

AU - Shiyan, Ludmila N.

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N2 - The authors have synthesized nanofibrous aluminum oxyhydroxide (AlOOH), modified with different amounts of manganese ions (II), which is the precursor for methane deep oxidation catalysts. It was shown that the catalytic activity of the manganese-based system obtained depends on manganese amount and thermal activation conditions. It is approved that as the catalyst for deep oxidation of hydrocarbons the system with manganese content of 10.5 wt. % is the most perspective despite the fact that the oxidation rate of methane is lower in it than in the catalyst with Mn content of 5.7 wt. %. As opposed to the catalyst with Mn content of 5.7 wt. %., where the aluminium oxide is in metastable form (σ-Al2O3), the catalyst with manganese content of 10.5 wt. % contains in its structure a thermodynamically and thermally stable α-Al2O3 phase.

AB - The authors have synthesized nanofibrous aluminum oxyhydroxide (AlOOH), modified with different amounts of manganese ions (II), which is the precursor for methane deep oxidation catalysts. It was shown that the catalytic activity of the manganese-based system obtained depends on manganese amount and thermal activation conditions. It is approved that as the catalyst for deep oxidation of hydrocarbons the system with manganese content of 10.5 wt. % is the most perspective despite the fact that the oxidation rate of methane is lower in it than in the catalyst with Mn content of 5.7 wt. %. As opposed to the catalyst with Mn content of 5.7 wt. %., where the aluminium oxide is in metastable form (σ-Al2O3), the catalyst with manganese content of 10.5 wt. % contains in its structure a thermodynamically and thermally stable α-Al2O3 phase.

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