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Kinetics and mechanism of the explosive reaction of carbon monoxide and oxygen
Author(s) -
Ahmed S.,
Back M. H.
Publication year - 1986
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.550180205
Subject(s) - chemistry , carbon monoxide , oxygen , hydrogen , methane , torr , inert gas , explosive material , ignition system , carbon fibers , reaction mechanism , kinetics , inert , inorganic chemistry , chemical engineering , catalysis , organic chemistry , thermodynamics , physics , materials science , quantum mechanics , composite number , composite material , engineering
A new technique is described for quantitative measurement of the conditions of reactant concentration at ignition in mixtures of carbon monoxide and oxygen. A thin film of carbon covering the surface of a quartz reaction vessel reacted with oxygen to form carbon monoxide and small quantities of water. Explosions were observed above 900 K over the pressure range 15–100 torr with ratios of CO/O 2 far below those hitherto explored. The onset of explosion was favored by the addition of hydrogen, methane, and water and was inhibited by the addition of inert gases. A simple mechanism predicts the occurrence of an explosion over a wide range of product composition and total pressure.
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