Simulation of Polutant Dispersion from Industrial Zone using TAPM (The Air Pollution Model)

Abstract

Nowadays air polution has showing a very bad condition. An independent research which is conducted in Sydney city, Australia showing the SO2 emision level in atmosphere greatly increased in 40 years. One of the air pollution source is industry. Industrial activities are emiting the polutant which also determine the air quality in it’s surrounding, such presence need an intensive watch. However it is halted by high cost, so the expedient to predict the pollutant distribution is a must. One of those expedient is using a software based modeling called TAPM. The purpose of this research are to analyze the direction of pollutant distribution from 2 industrial source and to analyze the influence of meteorological factor against polutant level. In march most of the polutant is dispersed to east and south, in June and September the polutant is dispersed almost in one direction. The dispersion pattern in December is different than other month, the polutant is dispersed to all direction. At noon polutant level is higher than night because meteorological factor on noon such as low humidity, high solar radiation and air temperature are supporting the raise of polutant level. At night the oposite condition is occur which cause polutant level to drop. Rainfall rate also affecting the polutant level, whenever rain is occurred then the polutant level will drop and vice versa. Maximum polutant level in PT YMMI is higher than PLTU Suralaya. Maximum polutant level in PT YMMI are 42.780 ppm which is located at source point while PLTU Suralaya are only 752 ppm located as far as 12,1 kilometres from source point.