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Ultimate Biochemical Oxygen Demand Formula

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Ultimate BOD is the amount of oxygen required to decompose all of the organic material after infinite time. Check FAQs

BOD u = \frac{BOD5}{0.68}

BOD^u - Ultimate BOD?BOD5 - 5 Days BOD?

Ultimate Biochemical Oxygen Demand Example

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Here is how the Ultimate Biochemical Oxygen Demand equation looks like with Values.

Here is how the Ultimate Biochemical Oxygen Demand equation looks like with Units.

Here is how the Ultimate Biochemical Oxygen Demand equation looks like.

2 = \frac{1.36}{0.68}

2mg/L = \frac{1.36mg/L}{0.68}

2 = \frac{1.36}{0.68}

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Ultimate Biochemical Oxygen Demand Solution

Follow our step by step solution on how to calculate Ultimate Biochemical Oxygen Demand?

FIRST Step Consider the formula

BOD u = \frac{BOD5}{0.68}

Next Step Substitute values of Variables

∴

BOD u = \frac{1.36mg/L}{0.68}

Next Step Convert Units

∴

BOD u = \frac{0.0014kg/m³}{0.68}

Next Step Prepare to Evaluate

∴

BOD u = \frac{0.0014}{0.68}

Next Step Evaluate

∴

BOD u = 0.002kg/m³

LAST Step Convert to Output's Unit

∴

BOD u = 2mg/L

Ultimate Biochemical Oxygen Demand Formula Elements

Variables

Ultimate BOD

Ultimate BOD is the amount of oxygen required to decompose all of the organic material after infinite time.

Symbol: BOD^u

Measurement: DensityUnit: mg/L

Note: Value should be greater than 0.

Formulas to find Ultimate BOD

5 Days BOD

5 Days BOD is an indicator of how much oxygen is utilized by a natural water sample in five days at 20 degrees C.

Symbol: BOD5

Measurement: DensityUnit: mg/L

Note: Value should be greater than 0.

Formulas to find 5 Days BOD

Other formulas in Ultimate BOD category

Go Ratio of BOD to Ultimate BOD

f = \frac{BOD 5}{BOD u}

Go BOD5 given Oxygen Required in Aeration Tank

BOD 5a = BOD u \cdot \frac{Q s \cdot (Q i - Q)}{O 2 + (1.42 \cdot Q w \cdot X R)}

Go BOD5 given Ratio of BOD to Ultimate BOD

BOD 5r = f \cdot BOD u

Go BOD5 when Ratio of BOD to Ultimate BOD is 0.68

BOD5 = BOD u \cdot 0.68

How to Evaluate Ultimate Biochemical Oxygen Demand?

Ultimate Biochemical Oxygen Demand evaluator uses Ultimate BOD = 5 Days BOD/0.68 to evaluate the Ultimate BOD, Ultimate Biochemical Oxygen Demand formula is defined as a measure of the total amount of oxygen required by microorganisms to break down organic matter in wastewater, providing a comprehensive assessment of the oxygen requirement of the aeration tank. Ultimate BOD is denoted by BOD^u symbol.

How to evaluate Ultimate Biochemical Oxygen Demand using this online evaluator? To use this online evaluator for Ultimate Biochemical Oxygen Demand, enter 5 Days BOD (BOD5) and hit the calculate button.

FAQs on Ultimate Biochemical Oxygen Demand

What is the formula to find Ultimate Biochemical Oxygen Demand?

The formula of Ultimate Biochemical Oxygen Demand is expressed as Ultimate BOD = 5 Days BOD/0.68. Here is an example- 2941.176 = 0.00136/0.68.

How to calculate Ultimate Biochemical Oxygen Demand?

With 5 Days BOD (BOD5) we can find Ultimate Biochemical Oxygen Demand using the formula - Ultimate BOD = 5 Days BOD/0.68.

Can the Ultimate Biochemical Oxygen Demand be negative?

No, the Ultimate Biochemical Oxygen Demand, measured in Density cannot be negative.

Which unit is used to measure Ultimate Biochemical Oxygen Demand?

Ultimate Biochemical Oxygen Demand is usually measured using the Milligram per Liter[mg/L] for Density. Kilogram per Cubic Meter[mg/L], Kilogram per Cubic Centimeter[mg/L], Gram per Cubic Meter[mg/L] are the few other units in which Ultimate Biochemical Oxygen Demand can be measured.

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