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Influence of Cr(CO)6 and Mo(CO)6 on the critical conditions for ignition and the velocities of flame propagation for the chain-branching oxidation of hydrogen and propylene

Nikolai Mihailovich Rubtsov 1
Nikolai Mihailovich Rubtsov
, 
Victor Iosifovich Chernysh 1
Victor Iosifovich Chernysh
, 
Georgii Igorevich Tsvetkov 1
Georgii Igorevich Tsvetkov
, 
Boris Semenovich Seplyarskii 1
Boris Semenovich Seplyarskii
10.1070/MC2006v016n05ABEH002253
Published 2006-10-19
Communication , Volume 16, Issue 5, 282-284
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Rubtsov N. M. et al. Influence of Cr(CO)6 and Mo(CO)6 on the critical conditions for ignition and the velocities of flame propagation for the chain-branching oxidation of hydrogen and propylene // Mendeleev Communications. 2006. Vol. 16. No. 5. pp. 282-284.
GOST all authors (up to 50) Copy
Rubtsov N. M., Chernysh V. I., Tsvetkov G. I., Seplyarskii B. S. Influence of Cr(CO)6 and Mo(CO)6 on the critical conditions for ignition and the velocities of flame propagation for the chain-branching oxidation of hydrogen and propylene // Mendeleev Communications. 2006. Vol. 16. No. 5. pp. 282-284.
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TY - JOUR
DO - 10.1070/MC2006v016n05ABEH002253
UR - https://mendcomm.colab.ws/publications/10.1070/MC2006v016n05ABEH002253
TI - Influence of Cr(CO)6 and Mo(CO)6 on the critical conditions for ignition and the velocities of flame propagation for the chain-branching oxidation of hydrogen and propylene
T2 - Mendeleev Communications
AU - Rubtsov, Nikolai Mihailovich
AU - Chernysh, Victor Iosifovich
AU - Tsvetkov, Georgii Igorevich
AU - Seplyarskii, Boris Semenovich
PY - 2006
DA - 2006/10/19
PB - Mendeleev Communications
SP - 282-284
IS - 5
VL - 16
ER -
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@article{2006_Rubtsov,
author = {Nikolai Mihailovich Rubtsov and Victor Iosifovich Chernysh and Georgii Igorevich Tsvetkov and Boris Semenovich Seplyarskii},
title = {Influence of Cr(CO)6 and Mo(CO)6 on the critical conditions for ignition and the velocities of flame propagation for the chain-branching oxidation of hydrogen and propylene},
journal = {Mendeleev Communications},
year = {2006},
volume = {16},
publisher = {Mendeleev Communications},
month = {Oct},
url = {https://mendcomm.colab.ws/publications/10.1070/MC2006v016n05ABEH002253},
number = {5},
pages = {282--284},
doi = {10.1070/MC2006v016n05ABEH002253}
}
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Rubtsov, Nikolai Mihailovich, et al. “Influence of Cr(CO)6 and Mo(CO)6 on the critical conditions for ignition and the velocities of flame propagation for the chain-branching oxidation of hydrogen and propylene.” Mendeleev Communications, vol. 16, no. 5, Oct. 2006, pp. 282-284. https://mendcomm.colab.ws/publications/10.1070/MC2006v016n05ABEH002253.

Abstract

It has been found that small additions (∼0.1 vol%) of chromium hexacarbonyl and molybdenum hexacarbonyl promote the combustion of a stoichiometric mixture of H2 + O2, resulting in a lowering of the lower limit of initiated ignition and an increase of the visible velocity of flame propagation; as this takes place, inhibition of propylene oxidation by the additives is observed indicating that hydrogen atoms do not play a noticeable role in chain branching in the initiated oxidation of hydrocarbons at room temperature; this indicates also that the kinetic mechanism of inhibition by carbonyls based on termination by the recombination of hydrogen atoms reported in the literature must be revised. Excited Cr atoms have been observed in a H2 + O2 flame in the presence of chromium hexacarbonyl.

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