Abstract
The reactivity, on a three-way catalyst, of various hydrocarbons and oxygenated compounds in a mixture with a composition as close as possible of actual exhaust gases from a spark ignition engine is studied. Results obtained allow a classification of hydrocarbons reactivity and show the inhibition of hydrocarbon oxidation by some compounds (O{sub 2}, NO) in the mixture. Hydrocarbons are eliminated by water vapor with an oxygen deficit. At high temperature catalytic activity is lowered by sintering of the catalyst. Then hydrocarbon oxidation is studied in function of catalyst aging which decrease the conversion rate. Actual exhaust gases containing trace amounts of sulfur dioxide (about 10 ppm), its influence on hydrocarbons oxidation is examined. Oxidation of short chain alkanes is promoted and oxidation of other hydrocarbons is inhibited, either in oxidising or stoichiometric mixtures.
Citation Formats
Bart, J M.
Oxidation on a three-way catalyst of different hydrocarbons and oxygenated derivatives in exhaust gases from a spark ignition engine.
France: N. p.,
1992.
Web.
Bart, J M.
Oxidation on a three-way catalyst of different hydrocarbons and oxygenated derivatives in exhaust gases from a spark ignition engine.
France.
Bart, J M.
1992.
"Oxidation on a three-way catalyst of different hydrocarbons and oxygenated derivatives in exhaust gases from a spark ignition engine."
France.
@misc{etde_10136341,
title = {Oxidation on a three-way catalyst of different hydrocarbons and oxygenated derivatives in exhaust gases from a spark ignition engine}
author = {Bart, J M}
abstractNote = {The reactivity, on a three-way catalyst, of various hydrocarbons and oxygenated compounds in a mixture with a composition as close as possible of actual exhaust gases from a spark ignition engine is studied. Results obtained allow a classification of hydrocarbons reactivity and show the inhibition of hydrocarbon oxidation by some compounds (O{sub 2}, NO) in the mixture. Hydrocarbons are eliminated by water vapor with an oxygen deficit. At high temperature catalytic activity is lowered by sintering of the catalyst. Then hydrocarbon oxidation is studied in function of catalyst aging which decrease the conversion rate. Actual exhaust gases containing trace amounts of sulfur dioxide (about 10 ppm), its influence on hydrocarbons oxidation is examined. Oxidation of short chain alkanes is promoted and oxidation of other hydrocarbons is inhibited, either in oxidising or stoichiometric mixtures.}
place = {France}
year = {1992}
month = {Oct}
}
title = {Oxidation on a three-way catalyst of different hydrocarbons and oxygenated derivatives in exhaust gases from a spark ignition engine}
author = {Bart, J M}
abstractNote = {The reactivity, on a three-way catalyst, of various hydrocarbons and oxygenated compounds in a mixture with a composition as close as possible of actual exhaust gases from a spark ignition engine is studied. Results obtained allow a classification of hydrocarbons reactivity and show the inhibition of hydrocarbon oxidation by some compounds (O{sub 2}, NO) in the mixture. Hydrocarbons are eliminated by water vapor with an oxygen deficit. At high temperature catalytic activity is lowered by sintering of the catalyst. Then hydrocarbon oxidation is studied in function of catalyst aging which decrease the conversion rate. Actual exhaust gases containing trace amounts of sulfur dioxide (about 10 ppm), its influence on hydrocarbons oxidation is examined. Oxidation of short chain alkanes is promoted and oxidation of other hydrocarbons is inhibited, either in oxidising or stoichiometric mixtures.}
place = {France}
year = {1992}
month = {Oct}
}