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Deoxygenation Constant refers to the value obtained after decomposing of oxygen in sewage. Check FAQs
KD=-(1t)log10(LtLs)
KD - Deoxygenation Constant?t - Time in Days?Lt - Oxygen Equivalent?Ls - Organic Matter at Start s?

Deoxygenation Constant given Organic Matter Present at Start of BOD Example

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With units
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Here is how the Deoxygenation Constant given Organic Matter Present at Start of BOD equation looks like with Values.

Here is how the Deoxygenation Constant given Organic Matter Present at Start of BOD equation looks like with Units.

Here is how the Deoxygenation Constant given Organic Matter Present at Start of BOD equation looks like.

0.2533Edit=-(19Edit)log10(0.21Edit40Edit)
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Deoxygenation Constant given Organic Matter Present at Start of BOD Solution

Follow our step by step solution on how to calculate Deoxygenation Constant given Organic Matter Present at Start of BOD?

FIRST Step Consider the formula
KD=-(1t)log10(LtLs)
Next Step Substitute values of Variables
KD=-(19d)log10(0.21mg/L40mg/L)
Next Step Convert Units
KD=-(1777600s)log10(0.0002kg/m³0.04kg/m³)
Next Step Prepare to Evaluate
KD=-(1777600)log10(0.00020.04)
Next Step Evaluate
KD=2.9318938999409E-06s⁻¹
Next Step Convert to Output's Unit
KD=0.253315632954894d⁻¹
LAST Step Rounding Answer
KD=0.2533d⁻¹

Deoxygenation Constant given Organic Matter Present at Start of BOD Formula Elements

Variables
Functions
Deoxygenation Constant
Deoxygenation Constant refers to the value obtained after decomposing of oxygen in sewage.
Symbol: KD
Measurement: First Order Reaction Rate ConstantUnit: d⁻¹
Note: Value should be greater than 0.
Time in Days
Time in Days is the time calculated in days.
Symbol: t
Measurement: TimeUnit: d
Note: Value should be greater than 0.
Oxygen Equivalent
Oxygen Equivalent refers to the oxidizable organic matter present in sewage.
Symbol: Lt
Measurement: DensityUnit: mg/L
Note: Value should be greater than 0.
Organic Matter at Start s
Organic Matter at Start s refers to the total organic matter present in the sewage at the start of the BOD reaction.
Symbol: Ls
Measurement: DensityUnit: mg/L
Note: Value should be greater than 0.
log10
The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function.
Syntax: log10(Number)

Other Formulas to find Deoxygenation Constant

​Go De-oxygenation Constant
KD=0.434K
​Go Deoxygenation Constant given Total Amount of Organic Matter Oxidised
KD=-(1t)log10(1-(YtLs))
​Go Deoxygenation Constant
KD=K2.3

Other formulas in Deoxygenation Constant category

​Go Deoxygenation Constant at given Temperature
KD(T)=KD(20)(1.047)T-20
​Go Deoxygenation Constant at 20 degree Celsius
KD(20)=KD(T)1.047T-20

How to Evaluate Deoxygenation Constant given Organic Matter Present at Start of BOD?

Deoxygenation Constant given Organic Matter Present at Start of BOD evaluator uses Deoxygenation Constant = -(1/Time in Days)*log10(Oxygen Equivalent/Organic Matter at Start s) to evaluate the Deoxygenation Constant, The Deoxygenation Constant given Organic Matter Present at Start of BOD formula is defined as the amount of oxygen required by aerobic microorganisms to decompose organic matter in water. BOD rate constant at base 10. Deoxygenation Constant is denoted by KD symbol.

How to evaluate Deoxygenation Constant given Organic Matter Present at Start of BOD using this online evaluator? To use this online evaluator for Deoxygenation Constant given Organic Matter Present at Start of BOD, enter Time in Days (t), Oxygen Equivalent (Lt) & Organic Matter at Start s (Ls) and hit the calculate button.

FAQs on Deoxygenation Constant given Organic Matter Present at Start of BOD

What is the formula to find Deoxygenation Constant given Organic Matter Present at Start of BOD?
The formula of Deoxygenation Constant given Organic Matter Present at Start of BOD is expressed as Deoxygenation Constant = -(1/Time in Days)*log10(Oxygen Equivalent/Organic Matter at Start s). Here is an example- 21886.47 = -(1/777600)*log10(0.00021/0.04).
How to calculate Deoxygenation Constant given Organic Matter Present at Start of BOD?
With Time in Days (t), Oxygen Equivalent (Lt) & Organic Matter at Start s (Ls) we can find Deoxygenation Constant given Organic Matter Present at Start of BOD using the formula - Deoxygenation Constant = -(1/Time in Days)*log10(Oxygen Equivalent/Organic Matter at Start s). This formula also uses Common Logarithm (log10) function(s).
What are the other ways to Calculate Deoxygenation Constant?
Here are the different ways to Calculate Deoxygenation Constant-
  • Deoxygenation Constant=0.434*Rate Constant in BODOpenImg
  • Deoxygenation Constant=-(1/Time in Days)*log10(1-(Organic Matter Oxidised/Organic Matter at Start s))OpenImg
  • Deoxygenation Constant=Rate Constant in BOD/2.3OpenImg
Can the Deoxygenation Constant given Organic Matter Present at Start of BOD be negative?
No, the Deoxygenation Constant given Organic Matter Present at Start of BOD, measured in First Order Reaction Rate Constant cannot be negative.
Which unit is used to measure Deoxygenation Constant given Organic Matter Present at Start of BOD?
Deoxygenation Constant given Organic Matter Present at Start of BOD is usually measured using the 1 Per Day[d⁻¹] for First Order Reaction Rate Constant. 1 Per Second[d⁻¹], 1 Per Millisecond[d⁻¹], 1 Per Hour[d⁻¹] are the few other units in which Deoxygenation Constant given Organic Matter Present at Start of BOD can be measured.
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