Patent ID: 6620322
Filing Date: 2003-09-16
Classification: C02F

Abstract:
An apparatus for purifying a waste influent material comprising:a) an anoxic zone, b) an aeration zone in communication with the anoxic zone, c) a sedimentation zone in communication with the aeration and anoxic zones and defined by a plurality of boundaries including a first boundary and a second boundary, wherein the sedimentation zone further comprises an inlet defined by the first boundary to receive material from the aeration zone, a first outlet in a lower portion of the sedimentation zone to recycle material from the sedimentation zone to the anoxic zone and a second outlet in an upper portion of the sedimentation zone adapted to release purified effluent material from the apparatus; and d) a device positioned relative to the inlet and adapted to manipulate a material flow profile as material travels into the sedimentation zone.