Patent ID: 7776211

Claim:
A wastewater treatment facility comprising: an inlet flow path for receiving wastewater from a source outside the treatment facility; a secondary treatment system connected to said inlet flow path for receiving wastewater therefrom, said secondary treatment system including; a tank for containing wastewater received through said inlet flow path; and at least one media wheel configured to continuously support the algae thereon for continued growth of the algae until the algae reaches a critical mass, said media wheel mounted for rotation within said tank so that a portion of the media wheel is immersed in wastewater during rotation and a portion of the media wheel is above the wastewater during rotation to alternately and continuously expose algae growing on the media wheel to sunlight and immerse the algae in the wastewater until the algae reaches the critical mass; and an effluent flow path connected to said tank for discharging wastewater that has been treated by said secondary treatment system.