Impact of a diesel car on primary and secondary organic aerosols

被引：0
|
作者：
Chirico, R. [1 ]
Heringa, M. [1 ]
DeCarlo, P. [1 ]
Tritscher, T. [1 ]
Steiger, M. [1 ]
Weingartner, E. [1 ]
Wehrle, G. [1 ]
Richter, R. [1 ]
Prevot, A. S. H. [1 ]
Baltensperger, U. [1 ]
机构：
[1] Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
来源：
AAAS08: 2ND ADVANCED ATMOSPHERIC AEROSOL SYMPOSIUM | 2008年 / 16卷
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中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Photo-oxidation experiments where performed at different dilution factors in a smog chamber filled with exhaust produced by a EURO 3 diesel car at idling mode. At high dilution, fresh aerosols consist mainly of black carbon (BC) with a low fraction of organic matter while a typical photo-oxidation experiment shows a substantial increase of organic aerosol. In fact, UV-initiated oxidation of diesel exhaust rapidly produces large amounts of SOA which leads to an increased OM/BC ratio. There might be a future need to introduce the SOA production potential for traffic emission regulation purposes.
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页码：1 / 5
页数：5
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