NOVELTY - A wastewater treatment facility (10) comprises inlet (16) flow path for receiving wastewater from source outside facility; secondary treatment system (30) for receiving wastewater and having tank (32) for containing wastewater; media wheel configured for growth of algae on it, where wheel is mounted for rotation within tank so that portion of wheel is immersed in wastewater and portion of wheel is above wastewater to alternately expose algae growing on to sunlight and to wastewater; and effluent flow path for discharging wastewater that has been treated by secondary system.    USE - As wastewater treatment facility for wastewater treatment (claimed).    ADVANTAGE - The system is ecological and biological treatment system that addresses two critical environmental needs such as efficient treatment of wastewater from a variety of sources and development of 'green' and renewable energy sources. The system avoids the problems associated with RBCs, open on-site systems and algae raceways. The wastewater treatment system centers around the production of algae bio-solids using a variety of aqueous nutrient sources including but not limited to agricultural, industrial, municipal, and other wastewater sources.    DETAILED DESCRIPTION - A wastewater treatment facility (10) comprises an inlet (16) flow path for receiving wastewater from a source outside the treatment facility; a secondary treatment system (30) connected to the inlet for receiving wastewater from it, where the secondary treatment system includes a tank (32) for containing wastewater received through the inlet; and at least one media wheel configured for growth of algae on it, where the media wheel is mounted for rotation within the 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 expose algae growing on the media wheel to sunlight and to the wastewater; and an effluent flow path connected to the tank for discharging wastewater that has been treated by the secondary treatment system. The inlet flow path includes a primary tank connectable between the source of wastewater and the tank of the secondary treatment system. The effluent flow path includes a chlorine disinfection chamber. An INDEPENDENT CLAIM is included for a process for wastewater treatment involves biologically treating wastewater in a treatment facility to produce a clean effluent and a byproduct of biosolids; extracting the biosolids from the treatment facility; and providing the biosolids to a separate facility for processing the biosolids. The separate facility includes at least one of a methane digester, a bio-fuel production facility, an ethanol production facility and a power generation plant. The treatment facility uses algae to treat the wastewater.    DESCRIPTION OF DRAWING(S) - The figure shows diagrammatic view of wastewater treatment facility.    Wastewater treatment facility (10)    Primary treatment tank (15)    Inlet (16, 33)    Upper portion of the tank (17)    Pump (20)    Access port (21)    Secondary system (30)    Tank (32)    Outlet (34)    External air pump (39)    Tertiary tank (50)    Access port (51)    Second access port (53)