Ultimate biochemical oxygen demand Solution

STEP 0: Pre-Calculation Summary
Formula Used
Ultimate BOD = 5 days BOD/0.68
BODu = BOD5/0.68
This formula uses 2 Variables
Variables Used
Ultimate BOD - (Measured in Kilogram per Cubic Meter) - Ultimate BOD is the amount of oxygen required to decompose all of the organic material after infinite time.
5 days BOD - (Measured in Kilogram per Cubic Meter) - 5 days BOD is an indicator of how much oxygen is utilized by a natural water sample in five days at 20 degrees C.
STEP 1: Convert Input(s) to Base Unit
5 days BOD: 2 Milligram per Liter --> 0.002 Kilogram per Cubic Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
BODu = BOD5/0.68 --> 0.002/0.68
Evaluating ... ...
BODu = 0.00294117647058824
STEP 3: Convert Result to Output's Unit
0.00294117647058824 Kilogram per Cubic Meter -->2.94117647058824 Milligram per Liter (Check conversion here)
FINAL ANSWER
2.94117647058824 2.941176 Milligram per Liter <-- Ultimate BOD
(Calculation completed in 00.004 seconds)

Credits

Created by Suraj Kumar
Birsa Institute of Technology (BIT), Sindri
Suraj Kumar has created this Calculator and 2200+ more calculators!
Verified by Ishita Goyal
Meerut Institute of Engineering and Technology (MIET), Meerut
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3 Ultimate BOD Calculators

Ultimate BOD given Oxygen Required in Aeration Tank
Go Ultimate BOD = 5 days BOD/(Sewage Discharge*(Influent BOD-Effluent BOD))/(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in returned or wasted sludge))
Ultimate BOD given Ratio of BOD to Ultimate BOD
Go Ultimate BOD = 5 days BOD/Ratio of BOD to Ultimate BOD
Ultimate biochemical oxygen demand
Go Ultimate BOD = 5 days BOD/0.68

Ultimate biochemical oxygen demand Formula

Ultimate BOD = 5 days BOD/0.68
BODu = BOD5/0.68

What is ultimate BOD ?

The ultimate BOD is the amount of oxygen required to decompose all of the organic material after infinite time. This is usually simply calculated by conducting the experiment over a 20thday period.

How to Calculate Ultimate biochemical oxygen demand?

Ultimate biochemical oxygen demand calculator uses Ultimate BOD = 5 days BOD/0.68 to calculate the Ultimate BOD, The Ultimate biochemical oxygen demand when Ratio of BOD to Ultimate BOD is 0.68 calculates the value of ultimate BOD when we have prior information of other parameters used. Ultimate BOD is denoted by BODu symbol.

How to calculate Ultimate biochemical oxygen demand using this online calculator? To use this online calculator for Ultimate biochemical oxygen demand, enter 5 days BOD (BOD5) and hit the calculate button. Here is how the Ultimate biochemical oxygen demand calculation can be explained with given input values -> 2941.176 = 0.002/0.68.

FAQ

What is Ultimate biochemical oxygen demand?
The Ultimate biochemical oxygen demand when Ratio of BOD to Ultimate BOD is 0.68 calculates the value of ultimate BOD when we have prior information of other parameters used and is represented as BODu = BOD5/0.68 or Ultimate BOD = 5 days BOD/0.68. 5 days BOD is an indicator of how much oxygen is utilized by a natural water sample in five days at 20 degrees C.
How to calculate Ultimate biochemical oxygen demand?
The Ultimate biochemical oxygen demand when Ratio of BOD to Ultimate BOD is 0.68 calculates the value of ultimate BOD when we have prior information of other parameters used is calculated using Ultimate BOD = 5 days BOD/0.68. To calculate Ultimate biochemical oxygen demand, you need 5 days BOD (BOD5). With our tool, you need to enter the respective value for 5 days BOD and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Ultimate BOD?
In this formula, Ultimate BOD uses 5 days BOD. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Ultimate BOD = 5 days BOD/(Sewage Discharge*(Influent BOD-Effluent BOD))/(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in returned or wasted sludge))
  • Ultimate BOD = 5 days BOD/Ratio of BOD to Ultimate BOD
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