Automobile Emissions of Acetonitrile: Assessment of its Contribution to the Global Source |
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Authors: | Rupert Holzinger Alfons Jordan Armin Hansel Werner Lindinger |
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Institution: | (1) Institut für Ionenphysik, University of Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria |
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Abstract: | Based on an estimated global fuel consumption of 2.57 × 1015g(C) y–1 and the assumption thatthe fossil fuel burned in Austria is globallyrepresentative, an upper limit of 0.021 (+150%, –50%)Tg y–1 for global CH3CN emission dueto fossil fuel burning was obtained from the relativeenhancement of the concentrations of toluene, benzene,and acetonitrile (methyl cyanide) during strong,short-term traffic pollution. This is less than 6% ofthe total global budget of CH3CN, which is dominatedby an emission rate of 0.8 Tg y–1 from biomassburning. |
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Keywords: | acetonitrile biomass burning PTR-MS fossil fuel burning |
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