Atmospheric chemistry of automotive fuel additives: diisopropyl ether
Article Abstract:
The kinetics and mechanism of the chemical reaction between hydroxyl radicals and diisopropyl ether (DIPE) are studied as a part of a research program aimed at developing an oxygenated automobile fuel with low atmospheric reactivity. Experiments are conducted wherein kinetic measurements of the treaction are obtained in terms of absolute rate and relative rate. The results, which are presented in the form of an Arrhenius plot, show that the use of DIPE does not have any significant effect on the combustive behavior of automobile fuels.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1993
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Thermal lifetimes of peroxynitrates occurring in the atmospheric degradation of oxygenated fuel additives
Article Abstract:
The thermal decomposition rate of methoxyformyl peroxynitrate is very short, but the thermal lifetimes of tert-butoxyformyl peroxynitrate and methoxyformyl peroxynitrate last longer and could contribute to the transport of NOx over long ranges. Such results could help estimate the effect of peroxynitrate degradation in the atmosphere, and this could have implications for oxygenated fuel additives such as dialkyl ethers because alkoxyalkyl and alkoxyformyl peroxynitrates are intermediaries in the degradation of such hydrocarbons.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1997
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Effect of fuel structure on emissions from a spark-ignited engine. 2. naphthene and aromatic fuels
Article Abstract:
Aromatic fuels, which contain cyclic alkanes, cause higher emissions from a spark-ignited engine than fuels based on non-cyclic alkanes. Fuels containing benzene and other aromatics had hydrocarbon emissions up to 10 times greater than other alkane fuels. Additionally, fuels containing naphthene caused hydrocarbon emissions of 5% benzene, which is not predicted in high-temperature cyclohexane chemistry.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1992
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