Question

The BOD, of the wastewater was 120 mg/l at 20°C. The value of rate constant is 0.23/day.
Calculate the value of the rate constant at 15°C.
W
a) 0.12
b) 0.15
c) 0.18
d) 0.21​

Answer 1

Answer:

5-day BOD = 2000 mg/L (due to carbon only); k =0.23/day ... Using the BOD5 (20°C) value from Q6, calculate ranges of COD and TOC for ... Oxygen consumption rate (K1 at 20°C) (1/ day

Answer 2

c

Explanation:

0.23 is converted Biooxygen demand