2007
DOI: 10.1590/s0100-40422007000300014
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Hidrocarbonetos policíclicos aromáticos como traçadores da queima de cana-de-açúcar: uma abordagem estatística

Abstract: Recebido em 17/2/06; aceito em 17/7/06; publicado na web em 10/1/07 POLYCYCLIC AROMATIC HYDROCARBONS AS SUGARCANE BURNING TRACERS: A STATISTICAL APPROACH. In this study atmospheric particulates of PAHs were measured in Araraquara, Piracicaba and São Paulo in July 2003 (sugarcane harvest season in Araraquara and Piracicaba) and in Araraquara in March of 2003. The results were normalized to the total PAH concentrations. Comparison among the sites and principal component analysis (PCA) were used to investigate po… Show more

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Cited by 46 publications
(43 citation statements)
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“…[10][11][12][13][14] The widespread occurrence of PAH is largely due to their formation and emission during incomplete combustion of petrogenic materials such as oil and coal as well as non-petrogenic sources such as wood burning 3,[15][16][17][18][19] as well as biomass burning due to agricultural practices. 20 In urban areas, exhausts from diesel and gasoline vehicles play an important role in PAH emissions. On roads, emissions of PAH are strongly influenced by heavy-duty diesel vehicles.…”
mentioning
confidence: 99%
“…[10][11][12][13][14] The widespread occurrence of PAH is largely due to their formation and emission during incomplete combustion of petrogenic materials such as oil and coal as well as non-petrogenic sources such as wood burning 3,[15][16][17][18][19] as well as biomass burning due to agricultural practices. 20 In urban areas, exhausts from diesel and gasoline vehicles play an important role in PAH emissions. On roads, emissions of PAH are strongly influenced by heavy-duty diesel vehicles.…”
mentioning
confidence: 99%
“…The processes that originate these substances are both natural and anthropogenic (MAGALHÃES; BURNS; VASCONCELLOS, 2007;ACQUAVITA et al, 2014).…”
Section: Introductionmentioning
confidence: 99%
“…Com a queima desta biomassa por longo período, inúmeras partículas e gases poluentes estão sendo enviados à atmosfera, contribuindo para potenciais impactos ambientais como o aquecimento global, a formação de ozônio troposférico, o fenômeno de acidificação (designado por chuva ácida) e a toxicidade humana. 10,11 No processo de industrialização da cana-de-açúcar é produzido o vinhoto, vinhaça ou restilo, um resíduo pastoso e malcheiroso que sobra após a destilação fracionada do caldo. Após décadas sendo despejado indevidamente nos solos e cursos de água pelas usinas de açúcar e álcool, atualmente é bastante utilizado como fertilizante em plantações, mas ainda é motivo de grande preocupação.…”
Section: Introductionunclassified