Abstract
Air dispersion models have been widely used to investigate air dispersion patterns, to predict emissions behaviour, to estimate potential risks to human health, to develop environmental policies and to evaluate their impact on air quality. This paper considers gaseous pollutants emitted by a petrochemical complex and presents an air dispersion case study using the AERMOD model and the OZIPR trajectory model along with the SAPRC chemical mechanism to evaluate tropospheric ozone formation. The petrochemical complex considered is being installed in the Rio de Janeiro Metropolitan Area and is planned to start operations in 2016. The present work indicates that nitrogen oxides (NOx) concentrations will likely exceed the primary and secondary Brazilian national standards in some areas. As a result high levels of NOx in the presence of high VOC emissions would contribute to high levels of ozone. DOI: 10.5935/1984-6835.20160071
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