Fan
Fan, main effect is to the water aeration in sewage treatment to improve the content of oxygen in water, and iron and manganese removal or promote aerobic microbial degradation of organic matter, achieve the purpose of removal of oxide sediment material, additional aeration can make a good contact with water and air in exchange for gaseous material removal of volatile substances in water, such as removing odor or water the harmful gas such as carbon dioxide and hydrogen sulfide; The bottom can also be aerated by the inlet air drum of the bottom air duct to lift up the bottom sediment and discharge it through the waste water pump.
