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

Nikolai Mihailovich Rubtsov 1
Nikolai Mihailovich Rubtsov
, 
Victor Iosifovich Chernysh 1
Victor Iosifovich Chernysh
, 
Georgii Igorevich Tsvetkov 1
Georgii Igorevich Tsvetkov
,  , 
Aleksandr Petrovich Kalinin 3
Aleksandr Petrovich Kalinin
10.1016/j.mencom.2020.01.041
Published 2019-12-30
Communication , Volume 30, Issue 1, 121-123
7
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Rubtsov N. M. et al. Catalytic activity of Pt and Pd in gaseous reactions of H2 and CH4 oxidation at low pressures // Mendeleev Communications. 2019. Vol. 30. No. 1. pp. 121-123.
GOST all authors (up to 50) Copy
Rubtsov N. M., Chernysh V. I., Tsvetkov G. I., Troshin K. Y., Kalinin A. P. Catalytic activity of Pt and Pd in gaseous reactions of H2 and CH4 oxidation at low pressures // Mendeleev Communications. 2019. Vol. 30. No. 1. pp. 121-123.
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TY - JOUR
DO - 10.1016/j.mencom.2020.01.041
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.01.041
TI - Catalytic activity of Pt and Pd in gaseous reactions of H2 and CH4 oxidation at low pressures
T2 - Mendeleev Communications
AU - Rubtsov, Nikolai Mihailovich
AU - Chernysh, Victor Iosifovich
AU - Tsvetkov, Georgii Igorevich
AU - Troshin, Kirill Yakovlevich
AU - Kalinin, Aleksandr Petrovich
PY - 2019
DA - 2019/12/30
PB - Mendeleev Communications
SP - 121-123
IS - 1
VL - 30
ER -
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@article{2019_Rubtsov,
author = {Nikolai Mihailovich Rubtsov and Victor Iosifovich Chernysh and Georgii Igorevich Tsvetkov and Kirill Yakovlevich Troshin and Aleksandr Petrovich Kalinin},
title = {Catalytic activity of Pt and Pd in gaseous reactions of H2 and CH4 oxidation at low pressures},
journal = {Mendeleev Communications},
year = {2019},
volume = {30},
publisher = {Mendeleev Communications},
month = {Dec},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.01.041},
number = {1},
pages = {121--123},
doi = {10.1016/j.mencom.2020.01.041}
}
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Rubtsov, Nikolai Mihailovich, et al. “Catalytic activity of Pt and Pd in gaseous reactions of H2 and CH4 oxidation at low pressures.” Mendeleev Communications, vol. 30, no. 1, Dec. 2019, pp. 121-123. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.01.041.

Keywords

activation energy
chain
cylinders
flame
palladium
penetration
platinum
termination.

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.

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