The inhibition of the co/h2o/o2reaction by trace quantities of hci

J. F. Roesler; R. A. Yetter; F. L. Dryer

doi:10.1080/00102209208951814

The inhibition of the co/h₂o/o₂reaction by trace quantities of hci

J. F. Roesler, R. A. Yetter, F. L. Dryer

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Abstract

The inhibition of the CO/H₂O/O₂reaction by small quantities of HCI was studied in a high temperature, atmospheric pressure flow reactor at temperatures near 1000K. The initial species concentrations of the CO/H₂O/O₂reaction bath were kept constant at about l%/0.6%/0.5% respectively, while the initial concentration of HCI was varied from 0. to 200 ppm. These mixtures provided a stoichiometry close to unity with a Cl/H ratio ranging from 0. to 0.016. Results indicated that these small Cl/H ratios can significantly inhibit both the induction time and the reaction rate of CO oxidation. The concentration of HCI was measured by an FTIR spectrometer and was observed to vary throughout the reaction. The mole fraction of HCI was observed to decrease until approximately 50% of the CO was consumed and to slowly rise afterwards. The inhibitory effect of HCI on the CO oxidation rate was observed to decrease after the minimum measured HCI concentration. The experimental results were compared with a reaction model published in the literature and showed significant discrepancy.

Original language	English (US)
Pages (from-to)	87-100
Number of pages	14
Journal	Combustion science and technology
Volume	82
Issue number	1-6
DOIs	https://doi.org/10.1080/00102209208951814
State	Published - Mar 1 1992

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Fuel Technology
Energy Engineering and Power Technology
Physics and Astronomy(all)

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10.1080/00102209208951814

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title = "The inhibition of the co/h2o/o2reaction by trace quantities of hci",

abstract = "The inhibition of the CO/H2O/O2reaction by small quantities of HCI was studied in a high temperature, atmospheric pressure flow reactor at temperatures near 1000K. The initial species concentrations of the CO/H2O/O2reaction bath were kept constant at about l%/0.6%/0.5% respectively, while the initial concentration of HCI was varied from 0. to 200 ppm. These mixtures provided a stoichiometry close to unity with a Cl/H ratio ranging from 0. to 0.016. Results indicated that these small Cl/H ratios can significantly inhibit both the induction time and the reaction rate of CO oxidation. The concentration of HCI was measured by an FTIR spectrometer and was observed to vary throughout the reaction. The mole fraction of HCI was observed to decrease until approximately 50% of the CO was consumed and to slowly rise afterwards. The inhibitory effect of HCI on the CO oxidation rate was observed to decrease after the minimum measured HCI concentration. The experimental results were compared with a reaction model published in the literature and showed significant discrepancy.",

author = "Roesler, {J. F.} and Yetter, {R. A.} and Dryer, {F. L.}",

note = "Funding Information: helpful discussions on both the experimental and kinetic aspects of this work. The technical assistance of Mr. J. Sivo, Mr. P. Michniewicz, and Ms Y. Stein in conducting the experiments is greatly appreciated. This work was supported by The Hazardous Substance Management Research Center, a National Science Foundation Industry/University Cooperative Center for Research and New Jersey Commission on Science and Technology. Advanced Technology Center. Incineration Division, New Jersey Institute of Technology. One of the authors (J.R.) also acknowledges the fellowship awarded by the New Jersey DEP/EOHSI (Department of Environmental Protection and the Environmental and Occupational Health Sciences Institute).",

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PY - 1992/3/1

Y1 - 1992/3/1

N2 - The inhibition of the CO/H2O/O2reaction by small quantities of HCI was studied in a high temperature, atmospheric pressure flow reactor at temperatures near 1000K. The initial species concentrations of the CO/H2O/O2reaction bath were kept constant at about l%/0.6%/0.5% respectively, while the initial concentration of HCI was varied from 0. to 200 ppm. These mixtures provided a stoichiometry close to unity with a Cl/H ratio ranging from 0. to 0.016. Results indicated that these small Cl/H ratios can significantly inhibit both the induction time and the reaction rate of CO oxidation. The concentration of HCI was measured by an FTIR spectrometer and was observed to vary throughout the reaction. The mole fraction of HCI was observed to decrease until approximately 50% of the CO was consumed and to slowly rise afterwards. The inhibitory effect of HCI on the CO oxidation rate was observed to decrease after the minimum measured HCI concentration. The experimental results were compared with a reaction model published in the literature and showed significant discrepancy.

AB - The inhibition of the CO/H2O/O2reaction by small quantities of HCI was studied in a high temperature, atmospheric pressure flow reactor at temperatures near 1000K. The initial species concentrations of the CO/H2O/O2reaction bath were kept constant at about l%/0.6%/0.5% respectively, while the initial concentration of HCI was varied from 0. to 200 ppm. These mixtures provided a stoichiometry close to unity with a Cl/H ratio ranging from 0. to 0.016. Results indicated that these small Cl/H ratios can significantly inhibit both the induction time and the reaction rate of CO oxidation. The concentration of HCI was measured by an FTIR spectrometer and was observed to vary throughout the reaction. The mole fraction of HCI was observed to decrease until approximately 50% of the CO was consumed and to slowly rise afterwards. The inhibitory effect of HCI on the CO oxidation rate was observed to decrease after the minimum measured HCI concentration. The experimental results were compared with a reaction model published in the literature and showed significant discrepancy.

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The inhibition of the co/h₂o/o₂reaction by trace quantities of hci

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