Scrubber systems is different group of air pollution control devices that can be used in chemical industries to remove some particulates or gaseous impurities from industrial exhaust streams. Any activity like burning metal forming, chemical reaction or material handling will generate pollutants like particulate matter, unwarranted gases and these pollutants needs to be removed from the gas stream and cleaned gases are to be left in the atmosphere to ensure pollution free environment. Also use liquid to wash unwanted pollutants from a gas stream.