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:: Volume 1, Issue 4 (9-2014) ::
jehe 2014, 1(4): 281-292 Back to browse issues page
Dispersion Modeling of CO with AERMOD in South Pars fourth Gas Refinery
Farideh Atabi, Farzaneh Jafarigol *, Mahmoudreza Momeni, Mohammad Salimian, Gholamreza Bahmannia
Department of Environmental Engineering, Graduate School of the Environment and Energy, Islamic Azad University, Science and Research
Abstract:   (6348 Views)

Background: Air quality modeling can be considered as a useful tool to predict air quality in future and determine the control strategies of emissions abatement. In this study, AERMOD dispersion model has been applied as a tool for the analysis of the values of CO emissions from the stacks and flares of South Pars fourth Gas Refinery located in Asaluyeh.

Methods: First, the values of CO  emissions from the refinery's stacks and flares were investigated by measurement and using the emission factors in four seasons of 2013. Then, dispersion of pollutants was predicted by using the AERMOD model in the region with area of 10×10 km2  in each direction of x and y, in average times of 1, 3, 8, 24-hours and for the annual statistical period. Then the predicted and field measurement values in 9 receptors have been compared.

Results: Statistical evaluation showed that the correlation coefficient values for CO were 0.85 in spring, 0.89 in summer, 0.96 in fall, and 0.95 in winter. The maximum concentration of CO was occurred in local scale of 10×10 km2.

Conclusion: Comparison of maximum 1-hour and 8-hour concentrations of the predicted results with the national and international standards showed that CO concentration is higher than standard values. In total, according to the evaluation of the predictions made, the performance of AERMOD model was acceptable in prediction of CO concentrations in the study area.

Keywords: Gas Refinery, Modeling, Statistical Analysis, CO, AERMOD
Full-Text [PDF 584 kb]   (6665 Downloads)    
Type of Study: Research | Subject: General
Received: 2015/06/17 | Accepted: 2015/06/17 | Published: 2015/06/17
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Atabi F, Jafarigol F, Momeni M, Salimian M, Bahmannia G. Dispersion Modeling of CO with AERMOD in South Pars fourth Gas Refinery. jehe. 2014; 1 (4) :281-292
URL: http://jehe.abzums.ac.ir/article-1-84-en.html


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Volume 1, Issue 4 (9-2014) Back to browse issues page
مجله مهندسی بهداشت محیط Journal of Environmental Health Enginering
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