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Effluent BOD given Ultimate BOD Calculator

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Effluent BOD Important Formulas of Oxygen Requirement of the Aeration Tank BOD to Ultimate BOD BOD5 More >>

✖Influent BOD is the total amount of BOD which is present in the incoming sewage.ⓘ Influent BOD [Q_i]			+10% -10%
✖5 Days BOD is an indicator of how much oxygen is utilized by a natural water sample in five days at 20 degrees C.ⓘ 5 Days BOD [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%
✖Theoretical Oxygen Requirement is the calculated amount of oxygen required to oxidize a compound to its final oxidation products.ⓘ Theoretical Oxygen Requirement [O₂]			+10% -10%
✖Volume of Wasted Sludge per day is the amount of sludge that is removed or wasted from a wastewater treatment process on a daily basis.ⓘ Volume of Wasted Sludge per day [Q_w]			+10% -10%
✖MLSS in Returned or Wasted Sludge is the mixed liquor suspended solids in returned sludge in terms of mg per liter.ⓘ MLSS in Returned or Wasted Sludge [X^R]			+10% -10%
✖Sewage Flowrate is the flow rate of sewage when it is being discharged in the river.ⓘ Sewage Flowrate [SF]			+10% -10%

✖Effluent BOD given Ultimate BOD is a measure of the amount of oxygen that microorganisms will consume while decomposing organic matter in the effluent over a specific period.ⓘ Effluent BOD given Ultimate BOD [Q_ub]

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Effluent BOD given Ultimate BOD Solution

STEP 0: Pre-Calculation Summary

Formula Used

Effluent BOD given Ultimate BOD = Influent BOD-(((5 Days BOD/Ultimate BOD)*(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in Returned or Wasted Sludge)))/Sewage Flowrate)
Q_ub = Q_i-(((BOD5/BOD^u)*(O₂+(1.42*Q_w*X^R)))/SF)
This formula uses 8 Variables

Variables Used

Effluent BOD given Ultimate BOD - (Measured in Kilogram per Cubic Meter) - Effluent BOD given Ultimate BOD is a measure of the amount of oxygen that microorganisms will consume while decomposing organic matter in the effluent over a specific period.
Influent BOD - (Measured in Kilogram per Cubic Meter) - Influent BOD is the total amount of BOD which is present in the incoming sewage.
5 Days BOD - (Measured in Kilogram per Cubic Meter) - 5 Days BOD is an indicator of how much oxygen is utilized by a natural water sample in five days at 20 degrees 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.
Theoretical Oxygen Requirement - (Measured in Kilogram per Second) - Theoretical Oxygen Requirement is the calculated amount of oxygen required to oxidize a compound to its final oxidation products.
Volume of Wasted Sludge per day - (Measured in Cubic Meter per Second) - Volume of Wasted Sludge per day is the amount of sludge that is removed or wasted from a wastewater treatment process on a daily basis.
MLSS in Returned or Wasted Sludge - (Measured in Kilogram per Cubic Meter) - MLSS in Returned or Wasted Sludge is the mixed liquor suspended solids in returned sludge in terms of mg per liter.
Sewage Flowrate - (Measured in Cubic Meter per Second) - Sewage Flowrate is the flow rate of sewage when it is being discharged in the river.

STEP 1: Convert Input(s) to Base Unit

Influent BOD: 13.2 Milligram per Liter --> 0.0132 Kilogram per Cubic Meter (Check conversion here)
5 Days BOD: 1.36 Milligram per Liter --> 0.00136 Kilogram per Cubic Meter (Check conversion here)
Ultimate BOD: 2 Milligram per Liter --> 0.002 Kilogram per Cubic Meter (Check conversion here)
Theoretical Oxygen Requirement: 2.5 Milligram per Day --> 2.89351851851852E-11 Kilogram per Second (Check conversion here)
Volume of Wasted Sludge per day: 9.5 Cubic Meter per Second --> 9.5 Cubic Meter per Second No Conversion Required
MLSS in Returned or Wasted Sludge: 1.4 Milligram per Liter --> 0.0014 Kilogram per Cubic Meter (Check conversion here)
Sewage Flowrate: 15 Cubic Meter per Second --> 15 Cubic Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Q_ub = Q_i-(((BOD5/BOD^u)*(O₂+(1.42*Q_w*X^R)))/SF) --> 0.0132-(((0.00136/0.002)*(2.89351851851852E-11+(1.42*9.5*0.0014)))/15)

Evaluating ... ...

Q_ub = 0.0123438346653549

STEP 3: Convert Result to Output's Unit

0.0123438346653549 Kilogram per Cubic Meter -->12.3438346653549 Milligram per Liter (Check conversion here)

FINAL ANSWER

12.3438346653549 ≈ 12.34383 Milligram per Liter <-- Effluent BOD given Ultimate BOD

(Calculation completed in 00.004 seconds)

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

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< Effluent BOD Calculators

Effluent BOD given Oxygen Demand and Ultimate BOD Both

LaTeX Go Effluent BOD given Oxygen Demand and Ultimate BOD = Influent BOD-(((5 Days BOD/Ultimate BOD)*(Theoretical Oxygen Requirement+(Oxygen Demand of Biomass*Volume of Wasted Sludge per day*MLSS in Returned or Wasted Sludge)))/Sewage Flowrate)

Effluent BOD given Oxygen Demand of Biomass

LaTeX Go Effluent BOD given Oxygen Demand of Biomass = Influent BOD-((Ratio of BOD to Ultimate BOD*(Theoretical Oxygen Requirement+(Oxygen Demand of Biomass*Volume of Wasted Sludge per day*MLSS in Returned or Wasted Sludge)))/Sewage Flowrate)

Effluent BOD given Ultimate BOD

LaTeX Go Effluent BOD given Ultimate BOD = Influent BOD-(((5 Days BOD/Ultimate BOD)*(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in Returned or Wasted Sludge)))/Sewage Flowrate)

Effluent BOD given Oxygen Required in Aeration Tank

LaTeX Go Effluent BOD given Oxygen Required = Influent BOD-((Ratio of BOD to Ultimate BOD*(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in Returned or Wasted Sludge)))/Sewage Flowrate)

< Important Formulas of Oxygen Requirement of the Aeration Tank Calculators

BOD5 given Oxygen Required in Aeration Tank

LaTeX Go BOD5 given Oxygen Required in Aeration Tank = 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))

BOD5 given Ratio of BOD to Ultimate BOD

LaTeX Go BOD5 given Ratio of BOD to Ultimate BOD = Ratio of BOD to Ultimate BOD*Ultimate BOD

Ratio of BOD to Ultimate BOD

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

BOD5 when Ratio of BOD to Ultimate BOD is 0.68

LaTeX Go 5 Days BOD = Ultimate BOD*0.68

Effluent BOD given Ultimate BOD Formula

LaTeX Go

What is BOD?

Biochemical oxygen demand is the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period.

How to Calculate Effluent BOD given Ultimate BOD?

Effluent BOD given Ultimate BOD calculator uses Effluent BOD given Ultimate BOD = Influent BOD-(((5 Days BOD/Ultimate BOD)*(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in Returned or Wasted Sludge)))/Sewage Flowrate) to calculate the Effluent BOD given Ultimate BOD, Effluent BOD given Ultimate BOD formula is defined as a measure of the biochemical oxygen demand of wastewater effluent, which is the amount of oxygen required by microorganisms to break down organic matter in the effluent, and is an important parameter in designing and operating wastewater treatment plants. Effluent BOD given Ultimate BOD is denoted by Q_ub symbol.

How to calculate Effluent BOD given Ultimate BOD using this online calculator? To use this online calculator for Effluent BOD given Ultimate BOD, enter Influent BOD (Q_i), 5 Days BOD (BOD5), Ultimate BOD (BOD^u), Theoretical Oxygen Requirement (O₂), Volume of Wasted Sludge per day (Q_w), MLSS in Returned or Wasted Sludge (X^R) & Sewage Flowrate (SF) and hit the calculate button. Here is how the Effluent BOD given Ultimate BOD calculation can be explained with given input values -> 11915.75 = 0.0132-(((0.00136/0.002)*(2.89351851851852E-11+(1.42*9.5*0.0014)))/15).

FAQ

What is Effluent BOD given Ultimate BOD?

Effluent BOD given Ultimate BOD formula is defined as a measure of the biochemical oxygen demand of wastewater effluent, which is the amount of oxygen required by microorganisms to break down organic matter in the effluent, and is an important parameter in designing and operating wastewater treatment plants and is represented as Q_ub = Q_i-(((BOD5/BOD^u)*(O₂+(1.42*Q_w*X^R)))/SF) or Effluent BOD given Ultimate BOD = Influent BOD-(((5 Days BOD/Ultimate BOD)*(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in Returned or Wasted Sludge)))/Sewage Flowrate). Influent BOD is the total amount of BOD which is present in the incoming sewage, 5 Days BOD is an indicator of how much oxygen is utilized by a natural water sample in five days at 20 degrees C, Ultimate BOD is the amount of oxygen required to decompose all of the organic material after infinite time, Theoretical Oxygen Requirement is the calculated amount of oxygen required to oxidize a compound to its final oxidation products, Volume of Wasted Sludge per day is the amount of sludge that is removed or wasted from a wastewater treatment process on a daily basis, MLSS in Returned or Wasted Sludge is the mixed liquor suspended solids in returned sludge in terms of mg per liter & Sewage Flowrate is the flow rate of sewage when it is being discharged in the river.

How to calculate Effluent BOD given Ultimate BOD?

Effluent BOD given Ultimate BOD formula is defined as a measure of the biochemical oxygen demand of wastewater effluent, which is the amount of oxygen required by microorganisms to break down organic matter in the effluent, and is an important parameter in designing and operating wastewater treatment plants is calculated using Effluent BOD given Ultimate BOD = Influent BOD-(((5 Days BOD/Ultimate BOD)*(Theoretical Oxygen Requirement+(1.42*Volume of Wasted Sludge per day*MLSS in Returned or Wasted Sludge)))/Sewage Flowrate). To calculate Effluent BOD given Ultimate BOD, you need Influent BOD (Q_i), 5 Days BOD (BOD5), Ultimate BOD (BOD^u), Theoretical Oxygen Requirement (O₂), Volume of Wasted Sludge per day (Q_w), MLSS in Returned or Wasted Sludge (X^R) & Sewage Flowrate (SF). With our tool, you need to enter the respective value for Influent BOD, 5 Days BOD, Ultimate BOD, Theoretical Oxygen Requirement, Volume of Wasted Sludge per day, MLSS in Returned or Wasted Sludge & Sewage Flowrate and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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