Primary Water
Waste Water
Hydrolysis
Thickening
Dewatering
Post-Dewatering
Drying
Bio Disks RBC
Rotating biological contactor
Applications
Rotating biological contactors or biodisc is a simple and reliable unit for reducing the BOD by biodegradation and for nitrifying civil and industrial waste waters.
Biodisc consists of an hollow drive shaft connected to a radial structure divided in sections; each section is also divided into sectors with plastic panels to allow the assembling or disassembling of the panels on site without removing the drive shaft. The unit is put into slow rotation and partially submerged in tanks through which the sewage to be treated is flowing.The RBC discs media come into contact with the waste water and the air alternatively. The purification process is carried out by a biomass of microorganisms which grow up in a thin film on the disc media. The biomass bacteria in the organic waste and the oxygen from the surrounding environment helps in the metabolic degradation of the organic matter. The final result is the high-performance elimination of the polluting matter. The overgrowth of biomass shears itself periodically and spontaneously, following precise biokinetic principles. The sludge is then separated from the water by means of a settling process.They are available for installation in concrete tank or with their own steel tank and include head walls, inspection windows, air intakes, fiberglass cover and optional fiberglass walls to subdivide the tank into stages.
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