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Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time Formula

GoInfluent Substrate Concentration given Net Waste Activated Sludge Formula

GoInfluent Substrate Concentration given Theoretical Oxygen Requirement Formula

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Influent Substrate Concentration refers to the concentration of organic matter or nutrients in the raw wastewater entering a treatment plant. Check FAQs

S o = V L \cdot θ s

S_o - Influent Substrate Concentration?V_L - Organic Loading?θ_s - Hydraulic Retention Time in Seconds?

Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time Example

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Here is how the Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time equation looks like with Values.

Here is how the Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time equation looks like with Units.

Here is how the Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time equation looks like.

9.84 = 1.23 \cdot 8

9.84mg/L = 1.23mg/L \cdot 8s

9.84 = 1.23 \cdot 8

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Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time Solution

Follow our step by step solution on how to calculate Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time?

FIRST Step Consider the formula

S o = V L \cdot θ s

Next Step Substitute values of Variables

∴

S o = 1.23mg/L \cdot 8s

Next Step Convert Units

∴

S o = 0.0012kg/m³ \cdot 8s

Next Step Prepare to Evaluate

∴

S o = 0.0012 \cdot 8

Next Step Evaluate

∴

S o = 0.00984kg/m³

LAST Step Convert to Output's Unit

∴

S o = 9.84mg/L

Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time Formula Elements

Variables

Influent Substrate Concentration

Influent Substrate Concentration refers to the concentration of organic matter or nutrients in the raw wastewater entering a treatment plant.

Symbol: S_o

Measurement: DensityUnit: mg/L

Note: Value should be greater than 0.

Formulas to find Influent Substrate Concentration

Organic Loading

Organic Loading refers to the amount of organic matter (measured as BOD, COD, or TOC) entering a wastewater treatment system per unit time.

Symbol: V_L

Measurement: DensityUnit: mg/L

Note: Value should be greater than 0.

Formulas to find Organic Loading

Hydraulic Retention Time in Seconds

Hydraulic Retention Time in Seconds is referred as the ratio between the reactor volume and the feed flow rate, it represents the average time the cells and substrates stay inside the reactor.

Symbol: θ_s

Measurement: TimeUnit: s

Note: Value should be between 5 to 20.

Formulas to find Hydraulic Retention Time in Seconds

Other Formulas to find Influent Substrate Concentration

Go Influent Substrate Concentration given Net Waste Activated Sludge

S o = (\frac{P x}{8.34 \cdot Y obs \cdot Q a}) + S

Go Influent Substrate Concentration given Theoretical Oxygen Requirement

S o = (O 2 + (1.42 \cdot P x)) \cdot (\frac{f}{8.34 \cdot Q a}) + S

Go Influent Substrate Concentration given Organic Loading

S o = V L \cdot \frac{V}{Q i}

How to Evaluate Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time?

Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time evaluator uses Influent Substrate Concentration = Organic Loading*Hydraulic Retention Time in Seconds to evaluate the Influent Substrate Concentration, The Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time formula is defined as the total amount of BOD that is present in the incoming sewage. Influent Substrate Concentration is denoted by S_o symbol.

How to evaluate Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time using this online evaluator? To use this online evaluator for Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time, enter Organic Loading (V_L) & Hydraulic Retention Time in Seconds (θ_s) and hit the calculate button.

FAQs on Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time

What is the formula to find Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time?

The formula of Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time is expressed as Influent Substrate Concentration = Organic Loading*Hydraulic Retention Time in Seconds. Here is an example- 8610 = 0.00123*8.

How to calculate Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time?

With Organic Loading (V_L) & Hydraulic Retention Time in Seconds (θ_s) we can find Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time using the formula - Influent Substrate Concentration = Organic Loading*Hydraulic Retention Time in Seconds.

What are the other ways to Calculate Influent Substrate Concentration?

Here are the different ways to Calculate Influent Substrate Concentration-

Influent Substrate Concentration=(Net Waste Activated Sludge/(8.34*Observed Cell Yield*Average Daily Influent Flow Rate))+Effluent Substrate Concentration
Influent Substrate Concentration=(Theoretical Oxygen Requirement+(1.42*Net Waste Activated Sludge))*(BOD Conversion Factor/(8.34*Average Daily Influent Flow Rate))+Effluent Substrate Concentration
Influent Substrate Concentration=Organic Loading*Reactor Volume/Influent Average Flow Rate

Can the Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time be negative?

No, the Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time, measured in Density cannot be negative.

Which unit is used to measure Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time?

Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time 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 Influent Substrate Concentration for Organic Loading using Hydraulic Retention Time can be measured.

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