Abstract

Composite samples of brewery effluents were obtained from a brewery in Benin City, Nigeria. They were analysed for their biochemical oxygen demand (BOD) values at 20°C for definite periods in days. From the values obtained, oxygen utilization and biochemical stabilization rate constants, k and K, respectively, were determined. The mean values obtained for them were 0.37 day‐1 and 0.16 day‐1 respectively. The ultimate BOD (Lo) value for the brewery effluent was 757.1 mg/l, and the ratio of the 5‐day BOD (BOD5) to the Ultimate BOD (Lo) (i.e., BOD5/Lo) was found to be 0.85.

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