Abstract
The aim of this study was to determine the biological treatability of textile wastewaters by sequential batch reactors (SBR). The experimental work was conducted on two SBR systems for 60 days in laboratory conditions. The lab-scale SBRs had total volume of 3.5 liters, each with a working volume of 2 liters. The reactors were fed by the chemically treated wastewater of Bursa Organized Industrial District, having textile wastewater characteristics domi- nantly. Both reactors were operated with an organic loading rate (F/M) of 0.35 mg COD / mg MLVSS. day and at sludge ages of 10 and 20 days. The experimental study showed that SBR systems provided good performance on biological treatment of textile effluents with a COD removal efficiency of 60-85% depending on the operational con- ditions. It was concluded that immediate precautions can easily be taken against the variations in influent characteris- tics owing to the flexibility of SBR systems.
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