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The Rewatec Activated Sludge Process (ASP) is an innovative sewage treatment plant that is engineered to treat wastewater for a wide range of residential and commercial projects.
The Rewatec ASP comprises of a single tank. Within this tank there is an inner central biozone chamber and an outer settlement zone. Wastewater flows into the tank and settles in the central biozone chamber where it is aerated through the central diffuser. A course bubble diffuser, housed in a draft tube, introduces the air that provides oxygen to the bacteria which then treats the wastewater. The treated water then enters the outer settlement zone. Here, settled solids are drawn back to the draft tube and returned to the biozone chamber for further treatment. The final treated effluent leaves the Rewatec ASP via a weir at the outlet level that extends around the circumference of the tank. The movement and exit of water throughout the ASP is by gravity displacement. For situations where it isn’t possible for the final effluent to gravitate to the final discharge location, a Rewatec ASP with an integral pump is available.
