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Authors: NICOLAE AJTAI, ZOLTÁN TÖRÖK, ALEXANDRU OZUNU.
Metallurgical plants are one of the major industrial pollutants emitting mainly gases (SO2, NOx and CO2) and particulate matters containing heavy metals. The objective of this study is to compare two situations, regarding the SO2 emissions before and after the installation of the desulphurization system at a metallurgical plant. Two different sets of simulations were performed, considering a three days period for which meteorological data was available. The simulation results were compared to national SO2 air quality limits. The results show a significant decrease of SO2 concentrations after the installation of the desulphurization system, situated well within legal limits. Another objective of this study is to compare qualitatively the concentration data obtained from modelling with data measured on-site by a point-monitor.
Keywords: air quality, metallurgical industry, SO2 emissions, ISCST3 model
