Patent ID: 11479491

Abstract:
The present disclosure relates to an integrated wastewater treatment apparatus and method, the apparatus comprises a first reactor module, a second reactor module, a sedimentation module and a gas-liquid separation module, the first reactor module comprises a first reactor and an anoxic reaction zone, an aerobic reaction zone, a first gas-gathering pressurized layer, a first water inlet pipe and an aeration device; the second reactor module comprises a second reactor, a second water inlet pipe, an anaerobic reaction zone and a second gas-gathering pressurized layer; the sedimentation module comprises a third reactor and a water outlet pipe; the gas-liquid separation module comprises a gas-liquid separator, an exhaust pipe, a first riser pipe, a second riser pipe and a return pipe. The apparatus can give full play to the advantages of the autotrophic biological denitrification process, meet the biochemical treatment requirements of wastewater with low C/N ratio.