Venturi Scrubbers are high performance system which can reduce the contamination level of flue gas up to 99%. They can remove both particulate matter and gaseous pollutant. The flue gas is scrubbed at high speed and pressure at the Venturi and gas velocity is dropped at the Separator. The separator can be converted to spray tower in case the concentration of pollutant is very high. The material of construction of Ventruri is depended on the composition and temperature of the flue gases entering the system. When the flue gases are rich in SOx and NOx then the scrubbing process generates acid and consequently high-grade stainless steel such as SS-316 has to be used. They can be used for any industry where the concentration of particulate matter or gaseous pollutant is high. Our installations in base metal refining sectors where aluminum and copper scraps are refined at high temperature are exemplary.