Traffic and catalytic converter - Related atmospheric contamination in the metropolitan region of the city of Rio de Janeiro, Brazil

被引：31

作者：

Dias da Silva, Lilian Irene ^{[1
]}

de Souza Sarkis, Jorge Eduardo ^{[2
]}

Zanon Zotin, Fatima Maria ^{[3
]}

Carneiro, Manuel Castro ^{[1
]}

Alcover Neto, Arnaldo ^{[1
]}

Amaral Gomes da Silva, Alzira dos Santos ^{[4
]}

Baldini Cardoso, Mauri Jose ^{[5
]}

Couto Monteiro, Maria Ines ^{[1
]}

机构：

[1] CETEM, Coordenacao Anal Minerais, BR-21941908 Rio De Janeiro, Brazil

[2] IPEN CNEN SP, Ctr Lasers & Aplicacoes, BR-05508000 Sao Paulo, Brazil

[3] Univ Estado Rio de Janeiro, Inst Quim, BR-20550900 Rio De Janeiro, Brazil

[4] FEEMA, Dept Planejamento, BR-20940200 Rio De Janeiro, Brazil

[5] CENPES PETROBRAS SA, BR-21941915 Rio De Janeiro, Brazil

来源：

CHEMOSPHERE | 2008年 / 71卷 / 04期

关键词：

PM10; airborne particulate matter; automotive catalytic converter; trace elements;

D O I：

10.1016/j.chemosphere.2007.10.057

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this work, 24-h PM10 samples were collected in Rio de Janeiro, Brazil, and analysed for trace elements (Cd, Ce, Cu, La, Mo, Ni, Pb, Pd, Rh, Sb and Sn). The sampling was carried out at five locations (Bonsucesso; Centro, downtown city; Copacabana; Nova Iguagu and Sumare) with different traffic densities and anthropogenic activities. An analytical method based on the EPA method for the determination of trace elements in airborne particulate matter (PM), using ultrasonic-assisted extraction and inductively coupled plasma mass spectrometry (ICP-MS) was applied. Our results suggest that vehicular traffic is the most important source of environmental pollution at the studied sites. The presence of Mo, I'd and Rh in the analysed filters reflects an additional source of pollution caused by the erosion and deterioration of automotive catalytic converters. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：677 / 684

页数：8

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