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  • 31-05-2024
  • Chemistry
Answered

Compute 5-day 25°C and 10-day 30°C BOD values for a waste water sample in which 100mL waste water is diluted with 900mL distilled water. The sample was incubated for 3 days and the BOD of the sample was found to be 30 mg/L at 20°C. Also calculate the amount of oxygen remaining after 5 days if the temperature has changed to 27°C. Assume, K at 20°C = 0.17 per day. Also compute the probable value of COD from the above data?

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