A comparison of the C2-C9 hydrocarbon compositions of vehicle fuels and urban air in Dublin, Ireland

被引：41

作者：

Broderick, BM ^{[1
]}

Marnane, IS ^{[1
]}

机构：

[1] Univ Dublin Trinity Coll, Dept Civil Struct & Environm Engn, Dublin 2, Ireland

来源：

ATMOSPHERIC ENVIRONMENT | 2002年 / 36卷 / 06期

关键词：

air quality monitoring; hydrocarbon measurement; traffic pollution; vehicle fuels; emissions;

D O I：

10.1016/S1352-2310(01)00472-1

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Hourly roadside hydrocarbon concentrations were measured over a six-week period at a heavily trafficked junction in Dublin city centre. Samples of ten typical leaded and unleaded petrol fuels used in Irish vehicles were also collected and their hydrocarbon compositions determined. The measured ambient hydrocarbon concentrations are presented, as are the properties of each of i.e analysed fuels. Comparison of the ambient hydrocarbon concentrations and the fuel hydrocarbon composition reveals a strong correlation for most hydrocarbons, except those compounds that were wholly combustion derived (i.e. not present in the fuel). Different characteristics were noted for aromatics, alkanes and alkenes. The comparison of roadside ambient air and fuel hydrocarbon content agrees well with other studies that have compared fuel content and exhaust composition. The relative impacts of exhaust and evaporative emissions on roadside hydrocarbon concentrations are apparent. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：975 / 986

页数：12

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