Time given Organic Matter Present at Start of BOD Solution

STEP 0: Pre-Calculation Summary
Formula Used
Time in days = -(1/Deoxygenation Constant)*log10(Oxygen Equivalent/Organic Matter at Start)
t = -(1/KD)*log10(Lt/L)
This formula uses 1 Functions, 4 Variables
Functions Used
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., log10(Number)
Variables Used
Time in days - (Measured in Second) - Time in days is the time calculated in days.
Deoxygenation Constant - (Measured in 1 Per Second) - Deoxygenation Constant is the value obtained after decomposing of oxygen in sewage.
Oxygen Equivalent - (Measured in Kilogram per Cubic Meter) - Oxygen Equivalent is the oxidisable organic matter present in sewage.
Organic Matter at Start - (Measured in Kilogram per Cubic Meter) - Organic Matter at Start is the total organic matter present in the sewage at the start of the BOD reaction.
STEP 1: Convert Input(s) to Base Unit
Deoxygenation Constant: 0.23 1 Per Day --> 2.66203703703704E-06 1 Per Second (Check conversion here)
Oxygen Equivalent: 0.21 Milligram per Liter --> 0.00021 Kilogram per Cubic Meter (Check conversion here)
Organic Matter at Start: 40 Milligram per Liter --> 0.04 Kilogram per Cubic Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
t = -(1/KD)*log10(Lt/L) --> -(1/2.66203703703704E-06)*log10(0.00021/0.04)
Evaluating ... ...
t = 856427.113850979
STEP 3: Convert Result to Output's Unit
856427.113850979 Second -->9.9123508547567 Day (Check conversion here)
FINAL ANSWER
9.9123508547567 9.912351 Day <-- Time in days
(Calculation completed in 00.004 seconds)

Credits

Created by Ishita Goyal
Meerut Institute of Engineering and Technology (MIET), Meerut
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Birsa Institute of Technology (BIT), Sindri
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3 Quality and characteristics of sewage Calculators

Time given Total Amount of Organic Matter Oxidised
Go Time in days = -(1/Deoxygenation Constant)*log10(1-(Organic Matter Oxidised/Organic Matter at Start))
Time given Organic Matter Present at Start of BOD
Go Time in days = -(1/Deoxygenation Constant)*log10(Oxygen Equivalent/Organic Matter at Start)
Total Amount of Organic Matter Oxidised
Go Organic Matter Oxidised = Organic Matter at Start*(1-10^(-Deoxygenation Constant*Time in days))

Time given Organic Matter Present at Start of BOD Formula

Time in days = -(1/Deoxygenation Constant)*log10(Oxygen Equivalent/Organic Matter at Start)
t = -(1/KD)*log10(Lt/L)

What is BOD?

BOD is a measure of the amount of oxygen required to remove waste organic matter from water in the process of decomposition by aerobic bacteria.

How to Calculate Time given Organic Matter Present at Start of BOD?

Time given Organic Matter Present at Start of BOD calculator uses Time in days = -(1/Deoxygenation Constant)*log10(Oxygen Equivalent/Organic Matter at Start) to calculate the Time in days, The Time given Organic Matter Present at Start of BOD is the number of days which required to oxidise the organic matter present in the sewage. Time in days is denoted by t symbol.

How to calculate Time given Organic Matter Present at Start of BOD using this online calculator? To use this online calculator for Time given Organic Matter Present at Start of BOD, enter Deoxygenation Constant (KD), Oxygen Equivalent (Lt) & Organic Matter at Start (L) and hit the calculate button. Here is how the Time given Organic Matter Present at Start of BOD calculation can be explained with given input values -> 0.000115 = -(1/2.66203703703704E-06)*log10(0.00021/0.04).

FAQ

What is Time given Organic Matter Present at Start of BOD?
The Time given Organic Matter Present at Start of BOD is the number of days which required to oxidise the organic matter present in the sewage and is represented as t = -(1/KD)*log10(Lt/L) or Time in days = -(1/Deoxygenation Constant)*log10(Oxygen Equivalent/Organic Matter at Start). Deoxygenation Constant is the value obtained after decomposing of oxygen in sewage, Oxygen Equivalent is the oxidisable organic matter present in sewage & Organic Matter at Start is the total organic matter present in the sewage at the start of the BOD reaction.
How to calculate Time given Organic Matter Present at Start of BOD?
The Time given Organic Matter Present at Start of BOD is the number of days which required to oxidise the organic matter present in the sewage is calculated using Time in days = -(1/Deoxygenation Constant)*log10(Oxygen Equivalent/Organic Matter at Start). To calculate Time given Organic Matter Present at Start of BOD, you need Deoxygenation Constant (KD), Oxygen Equivalent (Lt) & Organic Matter at Start (L). With our tool, you need to enter the respective value for Deoxygenation Constant, Oxygen Equivalent & Organic Matter at Start 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 Time in days?
In this formula, Time in days uses Deoxygenation Constant, Oxygen Equivalent & Organic Matter at Start. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Time in days = -(1/Deoxygenation Constant)*log10(1-(Organic Matter Oxidised/Organic Matter at Start))
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