SBR is new technology for the treatment of domestic and industrial wastewaters. The SBR can treat wide range of domestic and industrial wastewaters, at flow ranging from few thousand liters to millions of liters per day. The SBR process can treat any wastewater that can be treated by activated sludge process including anoxicoxic systems, aerated lagoons, extended aeration processes, trickling filters, rotating biological contactors (RBCS) and oxidation ditches.