This study presents an examination of the effectiveness of an anoxic-oxic-anoxic-oxic sequencing batch reactor (A2/O2-SBR) for treating electroplating wastewater (EPWW). The A2/O2-SBR was monitored for 60 days and the bacterial composition in the treatment system was determined. The system consisted of four reactors. which had the following anoxic/oxic ratios: reactor-I. https://www.itsmajorlook.com/top-deal-Dallas-Cowboys-logo-Fan-Decals-3-75-x-5-p32366-top-mega/