Municipal Wastewater Treatment by Sequencing Batch Reactor

The report presents municipal wastewater treatment using Biological process by Sequencing
Batch Reacror (SBR). The aim of the study is to investigate the SBR on the removal of
organic compound and nutrient namely nitrogen and phosphorus. Lab scale SBR model with
the presence ~f anoxic-aeration state was operated in 5 state of cycle in SBR which are the
Filling, React, Settle, Decant and Idle period. Effluent discharged during the Decant state
have resulted a high quality ef!luent with low concentration of COD, TSS and annnonia and
nitrate. The removal of COD, TSS, ammonia and nitrate was 69.4%, 47.67%, 86.07% and
59.16% respectively. The optimum parameter was evaluated based on the perfOrmance at
various rates. Hydraulic Retention Time (HRT) of the SBR cycle at 17.22 hours results in the
optimum removal reduction of nitrogen.