Predicting ambient concentrations of NO2 in a gas refinery located in South Pars Gas Complex

Jafarigol, F.; Atabi, F.; Moattar, F.; Nouri, J.

Predicting ambient concentrations of NO2 in a gas refinery located in South Pars Gas Complex

2016

Jafarigol, F. | Atabi, F. | Moattar, F. | Nouri, J.

In this study, AERMOD dispersion model has been applied for predicting the values of ambient concentrations of NO₂ emissions due to the stacks of fourth gas refinery located in South Pars Gas Complex in Asaluyeh, Iran. First, the values of NO₂ emissions from the stacks and the amounts of ambient concentrations of NO₂ in nine monitoring stations have been measured in four seasons in 2013. Then, dispersion of NO₂ emissions has been predicted by using AERMOD model in the region with the domain area of 10 × 10 km², in average times of 1 h. Finally, the simulated and observed values of ambient NO₂ concentrations in the nine receptors have been compared. Comparison of 1-h concentrations of the observed and predicted results with the international ambient standard levels shows that NO₂ concentrations are higher than the standard value. The results show that AERMOD model can be used effectively for predicting the amounts of pollutants’ concentrations in the study area.

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