期刊
INTERNATIONAL JOURNAL OF CHEMICAL KINETICS
卷 45, 期 7, 页码 429-439出版社
WILEY
DOI: 10.1002/kin.20778
关键词
-
资金
- R.A. Welch Foundation [B-1174]
- National Science Foundation [CHE-0741936]
A detailed chemical kinetic model for oxidation of carbonyl sulfide (OCS) has been developed, based on a critical evaluation of data from the literature. The mechanism has been validated against experimental results from batch reactors, flow reactors, and shock tubes. The model predicts satisfactorily oxidation of OCS over a wide range of stoichiometric airfuel ratios (0.5 7.3), temperatures (4501700 K), and pressures (0.023.0 atm) under dry conditions. The governing reaction mechanisms are outlined based on calculations with the kinetic model. The oxidation rate of OCS is controlled by the competition between chain-branching and -propagating steps; modeling predictions are particularly sensitive to the branching fraction for the OCS + O reaction to form CO + SO or CO2 + S.
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