Source apportionment and ozone formation potential of volatile organic compounds in Lagos (Nigeria)

被引：9

作者：

Olajire, A. A. ^{[1
]}

Azeez, L. ^{[2
]}

机构：

[1] Ladoke Akintola Univ Technol, Ind & Environm Chem Unit, Dept Pure & Appl Chem, Ogbomosho, Nigeria

[2] Fountain Univ, Dept Chem Sci, Osogbo, Nigeria

来源：

CHEMISTRY AND ECOLOGY | 2014年 / 30卷 / 02期

关键词：

factor analysis; Nigeria; Oba Akran road; principal component analysis (PCA); VOCs; volatile organic compounds; POSITIVE MATRIX FACTORIZATION; AROMATIC-HYDROCARBONS; AIR-POLLUTION; AMBIENT AIR; ATMOSPHERE; BENZENE; AREA;

D O I：

10.1080/02757540.2013.844796

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Concentrations of volatile organic compounds (VOCs) of the city air in Oba Akran road, Lagos were investigated. The chlorinated VOCs and xylene in Oba Akran were high. The average benzene/toluene ratio in Oba Akran was 1.7 suggesting that vehicular emission was a possible VOC source in most areas of Oba Akran. The toluene/(m+p-xylene) ratio also suggests a common source of toluene and xylene at these sites, presumably organic solvent used by industries located at Oba Akran. Our results showed that 7.10 tons of CO (2) equivalents of VOCs are being emitted per year from Oba Akran. Xylenes were found to be the largest contributor to the ozone formation followed by trichloroethylene. A multivariate statistical analysis (Factor analysis extracted with Principal Component Analysis) has been applied to a set of data, and it was found that the main principal components, extracted from the air VOC pollution data, were related to gasoline and oil combustion/industrial activities.

引用

页码：156 / 168

页数：13

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