Problem 2 If the ultimate Biochemical oxygen demand (BOD) for a wastewater sample is 200 mg/L and the reaction rate is 0.5 dr¹. 1. Fill the below table showing the values of the oxygen equivalent of the organics remaining (L+) and BOD: at the provided times. 2. Plot a curve showing the variation of (L) and (BOD) with time. 3. What the estimated time to approximately achieve a zero (very small) value of BOD? Time (days) 0 2 Lt (mg/L) BOD: (mg/L) 4 6 8 10
Problem 2 If the ultimate Biochemical oxygen demand (BOD) for a wastewater sample is 200 mg/L and the reaction rate is 0.5 dr¹. 1. Fill the below table showing the values of the oxygen equivalent of the organics remaining (L+) and BOD: at the provided times. 2. Plot a curve showing the variation of (L) and (BOD) with time. 3. What the estimated time to approximately achieve a zero (very small) value of BOD? Time (days) 0 2 Lt (mg/L) BOD: (mg/L) 4 6 8 10
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Problem 2
If the ultimate Biochemical oxygen demand (BOD) for a wastewater sample is 200 mg/L and the reaction
rate is 0.5 dr¹.
1. Fill the below table showing the values of the oxygen equivalent of the organics remaining (L+) and
BOD: at the provided times.
2. Plot a curve showing the variation of (L) and (BOD) with time.
3. What the estimated time to approximately achieve a zero (very small) value of BOD?
Time (days)
0
2
Lt (mg/L)
BOD: (mg/L)
4
6
8
10
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