Waste water treatment aeration positive displacement blowers
During aerobic digestion, Rotary blowers, centrifugal blowers, or turbo blowers are used to provide oxygen to the microorganisms that consume organic matter, Raw wastewater is run through a bar screen to remove large solids. Then grit settles out in a grit chamber. The remaining water reaches a grinding pump, called a comminutor. Large pieces in the water are shredded, making it easier for the microorganisms to consume it. Then the water enters the aeration basin where oxygen enriches the water and microorganisms are added. The organic matter begins to break down. The microorganisms multiply rapidly and consume the B.O.D. (Biochemical Oxygen Demand) very quickly. B.O.D. is simply the food matter in the water. This organic matter will be consumed in a couple of hours. The air from blowers bubbles up through the sludge and not only feeds oxygen to the process, but keeps the microorganisms suspended so they don’t settle out.
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