Study of the emissions from moving sources in the Metropolitan Area of Porto Alegre - RS - Brazil

被引：32
|
作者：
Teixeira, Elba Calesso [1 ]
Feltes, Sabrina [1 ]
Ramos de Santana, Eduardo Rodrigo [1 ]
机构：
[1] Fundacao Estadual Protecao Ambiental Henrique Lui, BR-90030020 Porto Alegre, RS, Brazil
来源：
QUIMICA NOVA | 2008年 / 31卷 / 02期
关键词：
vehicular emissions; mobile sources; atmospheric pollutants;
D O I：
10.1590/S0100-40422008000200010
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The present study aims at assessing the influence of pollution from mobile sources on air quality in the Metropolitan Area of Porto Alegre by means of an inventory based on methods applied specifically to vehicular emissions. The study uses the method described by CETESB, based on inventories on vehicular emissions, according to USEPA methodology. Following fuel types were taken into account: gasoline (24% ethanol), alcohol, diesel oil, and CNG (compressed natural gas). Results have shown that g-asoline-powered vehicles are still responsible for emitting the highest CO and HC concentrations, while diesel-powered vehicles are the source of highest NOx, MP and SOx concentrations.
引用
收藏
页码：244 / 248
页数：5
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