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Organic Matter at Start is referred as the total organic matter present in the sewage at the start of the BOD reaction. Check FAQs
L=Lt10-KDt
L - Organic Matter at Start?Lt - Oxygen Equivalent?KD - Deoxygenation Constant?t - Time in Days?

Organic Matter Present at Start of BOD Example

With values
With units
Only example

Here is how the Organic Matter Present at Start of BOD equation looks like with Values.

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

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

24.6728Edit=0.21Edit10-0.23Edit9Edit
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Organic Matter Present at Start of BOD Solution

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

FIRST Step Consider the formula
L=Lt10-KDt
Next Step Substitute values of Variables
L=0.21mg/L10-0.23d⁻¹9d
Next Step Convert Units
L=0.0002kg/m³10-2.7E-6s⁻¹777600s
Next Step Prepare to Evaluate
L=0.000210-2.7E-6777600
Next Step Evaluate
L=0.0246728486537303kg/m³
Next Step Convert to Output's Unit
L=24.6728486537303mg/L
LAST Step Rounding Answer
L=24.6728mg/L

Organic Matter Present at Start of BOD Formula Elements

Variables
Organic Matter at Start
Organic Matter at Start is referred as the total organic matter present in the sewage at the start of the BOD reaction.
Symbol: L
Measurement: DensityUnit: mg/L
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.
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.

Other Formulas to find Organic Matter at Start

​Go Organic Matter Present at Start of BOD given Total Amount of Organic Matter Oxidised
L=Yt1-10-KDt

How to Evaluate Organic Matter Present at Start of BOD?

Organic Matter Present at Start of BOD evaluator uses Organic Matter at Start = Oxygen Equivalent/10^(-Deoxygenation Constant*Time in Days) to evaluate the Organic Matter at Start, The Organic Matter Present at Start of BOD formula is defined as the total amount of organic matter which is present at the start of BOD reaction. Organic Matter at Start is denoted by L symbol.

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

FAQs on Organic Matter Present at Start of BOD

What is the formula to find Organic Matter Present at Start of BOD?
The formula of Organic Matter Present at Start of BOD is expressed as Organic Matter at Start = Oxygen Equivalent/10^(-Deoxygenation Constant*Time in Days). Here is an example- 24672.85 = 0.00021/10^(-2.66203703703704E-06*777600).
How to calculate Organic Matter Present at Start of BOD?
With Oxygen Equivalent (Lt), Deoxygenation Constant (KD) & Time in Days (t) we can find Organic Matter Present at Start of BOD using the formula - Organic Matter at Start = Oxygen Equivalent/10^(-Deoxygenation Constant*Time in Days).
What are the other ways to Calculate Organic Matter at Start?
Here are the different ways to Calculate Organic Matter at Start-
  • Organic Matter at Start=Organic Matter Oxidised/(1-10^(-Deoxygenation Constant*Time in Days))OpenImg
Can the Organic Matter Present at Start of BOD be negative?
No, the Organic Matter Present at Start of BOD, measured in Density cannot be negative.
Which unit is used to measure Organic Matter Present at Start of BOD?
Organic Matter Present at Start of BOD 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 Organic Matter Present at Start of BOD can be measured.
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