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Mendeleev Communications, 2020, Volume 30, Issue 1, Pages 121–123
DOI: https://doi.org/10.1016/j.mencom.2020.01.041
(Mi mendc1122)
 

This article is cited in 7 scientific papers (total in 7 papers)

Communications

Catalytic activity of Pt and Pd in gaseous reactions of H2 and CH4 oxidation at low pressures

N. M. Rubtsova, V. I. Chernysha, G. I. Tsvetkova, K. Ya. Troshinb, A. P. Kalininc

a A.G. Merzhanov Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, Chernogolovka, Moscow Region, Russian Federation
b N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russian Federation
c A.Yu. Ishlinsky Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow, Russian Federation
Abstract: The value of effective activation energy of the dark reaction on Pd wire for 2H2+O2 reaction at 80 Torr has been estimated as 4.1±1kcal mol–1 that is characteristic of a surface process. It was demonstrated that at pressures up to 200 Torr, the rate of chain termination determines the critical diameter value in the flame penetration through Pt and Pd cylinders. The efficiency of Pd surface in the chain termination reaction was found much greater than that of Pt.
Keywords: flame, penetration, palladium, platinum, cylinders, activation energy, chain, termination..
Document Type: Article
Language: English
Supplementary materials:
Supplementary_data_1.pdf (293.4 Kb)


Citation: N. M. Rubtsov, V. I. Chernysh, G. I. Tsvetkov, K. Ya. Troshin, A. P. Kalinin, “Catalytic activity of Pt and Pd in gaseous reactions of H2 and CH4 oxidation at low pressures”, Mendeleev Commun., 30:1 (2020), 121–123
Linking options:
  • https://www.mathnet.ru/eng/mendc1122
  • https://www.mathnet.ru/eng/mendc/v30/i1/p121
  • This publication is cited in the following 7 articles:
    1. Xiuhui Huang, Wenkai Yang, Junfeng Li, “Effect of Ba Addition on the Catalytic Performance of NiO/CeO2 Catalysts for Methane Combustion”, Processes, 12:8 (2024), 1630  crossref
    2. N. M. Rubtsov, G. I. Tsvetkov, V. I. Chernysh, K. J. Troshin, “Influence of noble metals on thermoacoustic oscillations and boundaries of the region of negative temperature coefficient during combustion of n-pentane – air mixtures”, Mendeleev Commun., 32:5 (2022), 693–696  mathnet  crossref
    3. N. M. Rubtsov, V. I. Chernysh, G. I. Tsvetkov, K. J. Troshin, I. O. Shamshin, “The features of ignition of hydrogen–methane and hydrogen–isobutene mixtures with oxygen over Rh and Pd at low pressures”, Mendeleev Commun., 32:3 (2022), 405–407  mathnet  crossref
    4. V.N. Rogozhnikov, D.I. Potemkin, V.P. Pakharukova, V.D. Belyaev, V.V. Nedolivko, A.P. Glotov, V.A. Sobyanin, P.V. Snytnikov, “Structured catalysts for the conversion of liquefied petroleum gas to hydrogen-rich gas and for anode off-gas afterburning”, International Journal of Hydrogen Energy, 46:72 (2021), 35853  crossref
    5. Nickolai M. Rubtsov, Victor I. Chernysh, Georgii I. Tsvetkov, Kirill Ya. Troshin, “Interaction of the combustion front of methane-air mixture at low pressures with obstacles of cylindrical shape”, FirePhysChem, 1:3 (2021), 174  crossref
    6. Nikolai M. Rubtsov, Boris S. Seplyarskii, Michail I. Alymov, Fluid Mechanics and Its Applications, 123, Initiation and Flame Propagation in Combustion of Gases and Pyrophoric Metal Nanostructures, 2021, 1  crossref
    7. N. M. Rubtsov, V. I. Chernysh, G. I. Tsvetkov, K. J. Troshin, I. O. Shamshin, “The phenomenon of negative temperature coefficient in palladium-initiated combustion of hydrogen–propane–air mixtures”, Mendeleev Commun., 31:2 (2021), 274–276  mathnet  crossref
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