Treatment of Dairy Wastewater using Aerobic Bio-Reactor
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Abstract
The Performance of an Aerobic Bio-Reactor (ABR) for the behavior of synthetic dairy processing wastewater was investigated. The system with 13.3 liters of working volume was accomplished by attached as well as suspended growth process as a novelty of this research work. The experimental analysis was carried out with the influent Chemical Oxygen Demand of synthetic dairy wastewater of 2920 mg/l, 3488 mg/l and 4000 mg/l at Hydraulic Retention Times (HRT) of 11, 14, 17, 21, 28, 42, 84 and 141 hours. During the experiment, pH plays an important role and the MLSS was maintained within the permissible limit continuously. In an AHBR, the maximum COD removal efficiency was attained 93.15% with an Organic Loading Rate (OLR) of 2.489 kg COD/m3.day.
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