Modeling the dispersion of carbon monoxide and nitrogen dioxide output from the furnaces of olefin petrochemical unit in Mahshahr

Air quality modeling can be considered as a suitable tool for predicting air quality in the future and determining strategies to control pollutant emissions. In this study, SCREEN 3 model is used as a tool to analyze the emission of pollutants from the exhaust sources of petrochemical stacks in Bandar Mahshahr. The comparison of the results of the maximum dispersion of emission modeling of the Screen3 software shows that the maximum concentration of NOX from the H-1101 stack of the Olefin unit based on the Screen3 software is 508.6 micrograms per cubic meter, which is higher than to the standard amount of clean air of 100 micrograms per cubic meter. The maximum concentration of CO from the H-1101 stack of Olefin unit according to Screen software is 19.85 micrograms per cubic meter, which is lower than the standard clean air level of 30000 micrograms per cubic meter according to all results.