AnoxKaldnes Hybas™: Meeting New Limits
The Narragansett Bay Commission’s service area encompasses the metropolitan Providence and Blackstone Valley areas. Originally constructed in 1901, the Field’s Point Wastewater Treatment Facility (FPWWTF) provides secondary treatment for maximum monthly flows of up to 77 MGD and primary treatment and disinfection for an additional 123 MGD of wet weather flows. Total treatment capacity at the Field’s Point WWTF is 200 MGD.
After receiving an NPDES operating permit that required the plant to remove total nitrogen (TN) to 5 mg/L from May through October the Narragansett Bay Commission chose AnoxKaldnes Hybas™ (Hybrid Biofilm Activated Sludge), an integrated fixed film activated sludge (IFAS) process, as their solution.
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