M.GH. - Air Diffusion System
The aeration basin receives the waste water from the equalization tank, as well as a mass of recycled biological micro-organisms from the subsequent sedimentation basin (activated sludge). Air or oxygen is pumped into the basin via blowers at the bottom of the tank to maintain aerobic conditions and the influent, oxygen and activated sludge are thoroughly agitated. Bacteria and other micro-organisms decompose the organic matter converting it into more stable forms of biomass (activated sludge).
Bacteria and other micro-organisms decompose the organic matter converting it into more stable forms of biomass (activated sludge).
Hence , a good air diffusion system becomes a must for the optimal performance of your Wastewater Treatment Plant.
M.GB. pays therefore a lot of attention in choosing air blowers and diffusers.
Blowers are volumetric, with rotating roots and able to deliver, according to the models , from 300 up to 2400 mc/h , with 5 meters water head into tank .
Soundproof boxes are delivered upon Customer requirement.
Air diffusers , with an EPDM rubber plate, feature a thick membrane which make them rugged and dependable : with averages air flows between 5 and 7 Nmc/h ,the percentage of oxygen transferred into water varies between 18 and 20 % ; moreover , thanks to a special limiting ring , the airflow can be as high as 10 Nmc/h.
Other basic criteria which drive the designing of our air diffusion systems are :
- tank dimensions and shape
- tank net surface and depth
- kind of circulation
- kind of air distribution
Air diffusers life span is normally between two and five years and it is possible substituting the membrane only , thus recovering supporting plate and its locknut