BOD Loading for Second Stage Filter Calculator

✖Efficiency of first filter stage calculates the efficiency of the filter at the first stage.ⓘ Efficiency of First Filter Stage [E₁]			+10% -10%
✖BOD loading to filter is the total BOD present in the incoming sewage.ⓘ BOD loading to filter [W]			+10% -10%

✖BOD loading to filter 2 is the total BOD present in the incoming sewage in filter 2.ⓘ BOD Loading for Second Stage Filter [W^']

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Formula

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BOD Loading for Second Stage Filter

Formula

`"W"^{"'"} = (1-"E"_{"1"})*"W"`

Example

`"2.45kg/d"=(1-"0.3")*"3.5kg/d"`

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BOD Loading for Second Stage Filter Solution

STEP 0: Pre-Calculation Summary

Formula Used

BOD Loading to Filter 2 = (1-Efficiency of First Filter Stage)*BOD loading to filter
W^' = (1-E₁)*W
This formula uses 3 Variables

Variables Used

BOD Loading to Filter 2 - (Measured in Kilogram per Second) - BOD loading to filter 2 is the total BOD present in the incoming sewage in filter 2.
Efficiency of First Filter Stage - Efficiency of first filter stage calculates the efficiency of the filter at the first stage.
BOD loading to filter - (Measured in Kilogram per Second) - BOD loading to filter is the total BOD present in the incoming sewage.

STEP 1: Convert Input(s) to Base Unit

Efficiency of First Filter Stage: 0.3 --> No Conversion Required
BOD loading to filter: 3.5 Kilogram per Day --> 4.05092592592593E-05 Kilogram per Second (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

W^' = (1-E₁)*W --> (1-0.3)*4.05092592592593E-05

Evaluating ... ...

W^' = 2.83564814814815E-05

STEP 3: Convert Result to Output's Unit

2.83564814814815E-05 Kilogram per Second -->2.45 Kilogram per Day (Check conversion here)

FINAL ANSWER

2.45 Kilogram per Day <-- BOD Loading to Filter 2

(Calculation completed in 00.004 seconds)

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Created by Ishita Goyal

Meerut Institute of Engineering and Technology (MIET), Meerut

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Verified by Chandana P Dev

NSS College of Engineering (NSSCE), Palakkad

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< 4 BOD Loading Calculators

BOD Loading to Second Filter Stage given Efficiency of Second Filter Stage

Go BOD Loading to Filter 2 = Volume*Recirculation factor*(((1-Efficiency of First Filter Stage)/0.0561)*((100/Efficiency of Second Filter Stage)-1))^2

BOD Loading for First Stage Filter using BOD Loading for Second Filter Stage

Go BOD loading to filter = BOD Loading to Filter 2/(1-Efficiency of First Filter Stage)

BOD Loading for Second Stage Filter

Go BOD Loading to Filter 2 = (1-Efficiency of First Filter Stage)*BOD loading to filter

BOD Loading for First Stage Filter

Go BOD Loading to Filter 2 = Influent BOD*Waste water flow*8.34

BOD Loading for Second Stage Filter Formula

BOD Loading to Filter 2 = (1-Efficiency of First Filter Stage)*BOD loading to filter
W^' = (1-E₁)*W

What is filter stage?

Single-stage unit consists of a primary settling tank, filter, secondary settling tank, and facilities for recirculation of the effluent. Two-stage filters consist of two filters in series with a primary settling tank, an intermediate settling tank which may be omitted in certain cases, and a final settling tank.

How to Calculate BOD Loading for Second Stage Filter?

BOD Loading for Second Stage Filter calculator uses BOD Loading to Filter 2 = (1-Efficiency of First Filter Stage)*BOD loading to filter to calculate the BOD Loading to Filter 2, The BOD loading for second stage filter is the total amount of BOD that is present in the second filter stage. BOD Loading to Filter 2 is denoted by W^' symbol.

How to calculate BOD Loading for Second Stage Filter using this online calculator? To use this online calculator for BOD Loading for Second Stage Filter, enter Efficiency of First Filter Stage (E₁) & BOD loading to filter (W) and hit the calculate button. Here is how the BOD Loading for Second Stage Filter calculation can be explained with given input values -> -29937600 = (1-0.3)*4.05092592592593E-05.

FAQ

What is BOD Loading for Second Stage Filter?

The BOD loading for second stage filter is the total amount of BOD that is present in the second filter stage and is represented as W^' = (1-E₁)*W or BOD Loading to Filter 2 = (1-Efficiency of First Filter Stage)*BOD loading to filter. Efficiency of first filter stage calculates the efficiency of the filter at the first stage & BOD loading to filter is the total BOD present in the incoming sewage.

How to calculate BOD Loading for Second Stage Filter?

The BOD loading for second stage filter is the total amount of BOD that is present in the second filter stage is calculated using BOD Loading to Filter 2 = (1-Efficiency of First Filter Stage)*BOD loading to filter. To calculate BOD Loading for Second Stage Filter, you need Efficiency of First Filter Stage (E₁) & BOD loading to filter (W). With our tool, you need to enter the respective value for Efficiency of First Filter Stage & BOD loading to filter 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 BOD Loading to Filter 2?

In this formula, BOD Loading to Filter 2 uses Efficiency of First Filter Stage & BOD loading to filter. We can use 2 other way(s) to calculate the same, which is/are as follows -

BOD Loading to Filter 2 = Influent BOD*Waste water flow*8.34
BOD Loading to Filter 2 = Volume*Recirculation factor*(((1-Efficiency of First Filter Stage)/0.0561)*((100/Efficiency of Second Filter Stage)-1))^2

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