Patent ID: 8685247

Claim:
A process for reducing a concentration of a nutrient from a wastewater comprising: providing a wastewater comprising the nutrient; treating the wastewater by at least one of anoxically treating and aerated anoxically treating in a first anoxic reactor to produce a first anoxically treated mixed liquor; aerobically treating the first anoxically treated mixed liquor in an aerobic reactor to produce an aerobically treated mixed liquor; treating a first portion of the aerobically treated mixed liquor in a second anoxic reactor to produce a second anoxically treated mixed liquor having a reduced concentration of the nutrient; introducing a second portion of the aerobically treated mixed liquor to at least one of the wastewater and the first anoxic reactor; introducing a first portion of the second anoxically treated mixed liquor to at least one of the wastewater and the first anoxic reactor; and adjusting a flowrate of the second portion of the aerobically treated mixed liquor.