Patent ID: 6770200
Filing Date: 2004-08-03
Classification: C02F,Y02W

Abstract:
A method of treating wastewater in a lagoon separated into a plurality of treatment zones including a complete mix zone that is at least intermittently in a complete mix condition and has at least one open bottom bioconcentration chamber and a plurality of aerators, said method comprising the steps of:directing influent wastewater into said complete mix zone and into said bioconcentration chamber to allow solids in the wastewater to concentrate therein and return to the complete mix zone by falling through said open bottom; operating said aerators in a manner to aerate the wastewater and circulate the solids in said complete mix zone in a manner to effect complete mixing of the complete mix zone; directing the wastewater through the remaining treatment zone or zones; and directing effluent out of the lagoon.