Application of the AERMOD modeling system for environmental impact
assessment of NO2 emissions from a cement complex |
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Authors: | Kanyanee Seangkiatiyuth Vanisa Surapipith Kraichat Tantrakarnapa and Anchaleeporn W Lothongkum |
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Institution: | [1]Department of Chemical Engineering, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand [2]Air Quality and Noise Management Bureau, Pollution Control Department, Ministry of Natural Resources and Environment, Bangkok 10400,Thailand [3]Department of Environmental Health Sciences, Faculty of Public Health, Mahidol University, Bangkok 10400, Thailand |
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Abstract: | We applied the model of American Meteorological Society-Environmental Protection Agency Regulatory Model (AERMOD) as a
tool for the analysis of nitrogen dioxide (NO2) emissions from a cement complex as a part of the environmental impact assessment. The
dispersion of NO2 from four cement plants within the selected cement complex were investigated both by measurement and AERMOD
simulation in dry and wet seasons. Simulated values of NO2 emissions were compared with those obtained during a 7-day continuous
measurement campaign at 12 receptors. It was predicted that NO2 concentration peaks were found more within 1 to 5 km, where the
measurement and simulation were in good agreement, than at the receptors 5 km further away from the reference point. The Quantile-
Quantile plots of NO2 concentrations in dry season were mostly fitted to the middle line compared to those in wet season. This can be
attributed to high NO2 wet deposition. The results show that for both the measurement and the simulation using the AERMOD, NO2
concentrations do not exceed the NO2 concentration limit set by the National Ambient Air Quality Standards (NAAQS) of Thailand.
This indicates that NO2 emissions from the cement complex have no significant impact on nearby communities. It can be concluded
that the AERMOD can provide useful information to identify high pollution impact areas for the EIA guidelines. |
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Keywords: | AERMOD environmental impact assessment Gaussian model air pollutants NO2 cement plant |
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