Ratio of BOD to Ultimate BOD Calculator

✖BOD of 5 days at 20° C is an indicator of how much oxygen is utilized by a natural water sample in five days at 20° C.ⓘ BOD of 5 days at 20° C [BOD₅]			+10% -10%
✖Ultimate BOD is the amount of oxygen required to decompose all of the organic material after infinite time.ⓘ Ultimate BOD [BOD^u]			+10% -10%

✖Ratio of BOD to Ultimate BOD is the ratio of 5 days bod to ultimate bod.ⓘ Ratio of BOD to Ultimate BOD [f]

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Formula

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Ratio of BOD to Ultimate BOD

Formula

`"f" = "BOD"_{"5"}/"BOD"^{"u"}`

Example

`"3"="6mg/L"/"2mg/L"`

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Ratio of BOD to Ultimate BOD Solution

STEP 0: Pre-Calculation Summary

Formula Used

Ratio of BOD to Ultimate BOD = BOD of 5 days at 20° C/Ultimate BOD
f = BOD₅/BOD^u
This formula uses 3 Variables

Variables Used

Ratio of BOD to Ultimate BOD - Ratio of BOD to Ultimate BOD is the ratio of 5 days bod to ultimate bod.
BOD of 5 days at 20° C - (Measured in Kilogram per Cubic Meter) - BOD of 5 days at 20° C is an indicator of how much oxygen is utilized by a natural water sample in five days at 20° C.
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.

STEP 1: Convert Input(s) to Base Unit

BOD of 5 days at 20° C: 6 Milligram per Liter --> 0.006 Kilogram per Cubic Meter (Check conversion here)
Ultimate BOD: 2 Milligram per Liter --> 0.002 Kilogram per Cubic Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f = BOD₅/BOD^u --> 0.006/0.002

Evaluating ... ...

f = 3

STEP 3: Convert Result to Output's Unit

3 --> No Conversion Required

FINAL ANSWER

3 <-- Ratio of BOD to Ultimate BOD

(Calculation completed in 00.004 seconds)

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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

Ishita Goyal has verified this Calculator and 2600+ more calculators!

< 3 BOD to Ultimate BOD Calculators

Ratio of BOD to Ultimate given Oxygen Demand of Biomass

Go Ratio of BOD to Ultimate BOD = (Sewage Discharge*(Influent BOD-Effluent BOD))/(Theoretical Oxygen Requirement+(Oxygen demand of biomass*Volume of Wasted Sludge per day*MLSS in returned or wasted sludge))

Ratio of BOD to Ultimate given Oxygen Required in Aeration Tank

Go Ratio of BOD to Ultimate BOD = (Sewage Discharge*(Influent BOD-Effluent BOD))/(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in returned or wasted sludge))

Ratio of BOD to Ultimate BOD

Go Ratio of BOD to Ultimate BOD = BOD of 5 days at 20° C/Ultimate BOD

Ratio of BOD to Ultimate BOD Formula

Ratio of BOD to Ultimate BOD = BOD of 5 days at 20° C/Ultimate BOD
f = BOD₅/BOD^u

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 Ratio of BOD to Ultimate BOD?

Ratio of BOD to Ultimate BOD calculator uses Ratio of BOD to Ultimate BOD = BOD of 5 days at 20° C/Ultimate BOD to calculate the Ratio of BOD to Ultimate BOD, The Ratio of BOD to Ultimate BOD calculates the value of ratio of 5 days bod to ultimate bod when we have prior information of other parameters used. Ratio of BOD to Ultimate BOD is denoted by f symbol.

How to calculate Ratio of BOD to Ultimate BOD using this online calculator? To use this online calculator for Ratio of BOD to Ultimate BOD, enter BOD of 5 days at 20° C (BOD₅) & Ultimate BOD (BOD^u) and hit the calculate button. Here is how the Ratio of BOD to Ultimate BOD calculation can be explained with given input values -> 3 = 0.006/0.002.

FAQ

What is Ratio of BOD to Ultimate BOD?

The Ratio of BOD to Ultimate BOD calculates the value of ratio of 5 days bod to ultimate bod when we have prior information of other parameters used and is represented as f = BOD₅/BOD^u or Ratio of BOD to Ultimate BOD = BOD of 5 days at 20° C/Ultimate BOD. BOD of 5 days at 20° C is an indicator of how much oxygen is utilized by a natural water sample in five days at 20° C & Ultimate BOD is the amount of oxygen required to decompose all of the organic material after infinite time.

How to calculate Ratio of BOD to Ultimate BOD?

The Ratio of BOD to Ultimate BOD calculates the value of ratio of 5 days bod to ultimate bod when we have prior information of other parameters used is calculated using Ratio of BOD to Ultimate BOD = BOD of 5 days at 20° C/Ultimate BOD. To calculate Ratio of BOD to Ultimate BOD, you need BOD of 5 days at 20° C (BOD₅) & Ultimate BOD (BOD^u). With our tool, you need to enter the respective value for BOD of 5 days at 20° C & Ultimate 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 Ratio of BOD to Ultimate BOD?

In this formula, Ratio of BOD to Ultimate BOD uses BOD of 5 days at 20° C & Ultimate BOD. We can use 2 other way(s) to calculate the same, which is/are as follows -

Ratio of BOD to Ultimate BOD = (Sewage Discharge*(Influent BOD-Effluent BOD))/(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in returned or wasted sludge))
Ratio of BOD to Ultimate BOD = (Sewage Discharge*(Influent BOD-Effluent BOD))/(Theoretical Oxygen Requirement+(Oxygen demand of biomass*Volume of Wasted Sludge per day*MLSS in returned or wasted sludge))

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