• Nitrogen and phosphorus compounds in wastewater will be able to cause the Eutrophication problem in water resource.
• Worldwide awareness of Eutrophication effects has to an interest in removing nitrogen and phosphorus from domestic of municipal wastewater, especially for the wastewater treatment plant near rivers, closed water bodies in urbanized areas or sensitive areas.
• A sequencing batch reactor (SBR) were fill and draw activated sludge treatment (Metcalf & Eddy,1991).
• The single tank batch system can be used for the treatment of wastewater generated by rural municipalities and industries (Irvine RT, 1979).