I. Suryati, R. Zulkarnain, A. Pratama
Nearly 35% of electricity generation in the North Sumatra region comes from coal-fired steam power plants. The existence of coal-fired power plants also has a negative impact in the form of a decrease in ambient air quality. To determine the pollutant dispersing concentration from the chimney, it can be done by modelling the pollutant disperse pattern. This study uses the CALPUFF model because this model is non-steady state and follows variations in meteorological factors. The research location is in Pangkalan Susu coal-fired power plants with PM10 parameters. The research aims to calculate the concentration of PM10 with CALPUFF and to validate modelling. The results showed that the concentration of the PM10 model obtained was 0.07-0.86 μg/m3, and the observation was 12.77 - 56.45 μg/m3. The CALPUFF model show that the impact distribution area is in the direction of the wind direction of the wind rose and the affected area is in the southwest of the Pangkalan Susu coal-fired power plants. The model validation for d = 0.968, r = 0.922 and FB = 1.962, which means that the CALPUFF model is valid and can be applied to estimate the impact distribution area at Pangkalan Susu coal-fired power plants. © Published under licence by IOP Publishing Ltd.
Environmental Engineering, Universitas Sumatera Utara, Sumatera Utara, Medan, 20155, Indonesia; PT. PLN Udiklat Tuntungan, Pancur Batu, Utara, Sumatera, 20353, Indonesia; Institut Teknologi Sumatera, Way Hui Village, Jati Agung, Lampung, Selatan, Indonesia
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