Patent ID: 9656897
Date: 2017-05-23
CPC Classifications: C02F,Y02W

Claim:
1. A process for treating wastewater or sewage comprising: receiving a wastewater inflow or a sewage inflow in a flow equalization reactor; receiving an outflow from the flow equalization reactor in a nitritation reactor; receiving an overflow of partially treated wastewater or partially treated sewage from the nitritation reactor in an anammox reactor; receiving a bypass flow from the flow equalization reactor in the anammox reactor; receiving a mixed liquor flow from the anammox reactor in a clarifier; providing a first return activated sludge flow from the clarifier to the flow equalization reactor, the nitritation reactor or to the flow equalization reactor and to the nitritation reactor; and, providing a second return activated sludge flow from the clarifier to the anammox reactor.