Sludge Age given Endogenous Respiration Rate Constant Formula

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Sludge Age given Endogenous Constant is the average length of time that solids (or sludge) remain in the treatment system before being removed, given endogenous rate constant. Check FAQs
θce=(1(YU)-Ke)
θce - Sludge Age given Endogenous Constant?Y - Maximum Yield Coefficient?U - Specific Substrate Utilization Rate?Ke - Endogenous Respiration Constant?

Sludge Age given Endogenous Respiration Rate Constant Example

With values
With units
Only example

Here is how the Sludge Age given Endogenous Respiration Rate Constant equation looks like with Values.

Here is how the Sludge Age given Endogenous Respiration Rate Constant equation looks like with Units.

Here is how the Sludge Age given Endogenous Respiration Rate Constant equation looks like.

1Edit=(1(0.5Edit0.5Edit)-21599Edit)
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Sludge Age given Endogenous Respiration Rate Constant Solution

Follow our step by step solution on how to calculate Sludge Age given Endogenous Respiration Rate Constant?

FIRST Step Consider the formula
θce=(1(YU)-Ke)
Next Step Substitute values of Variables
θce=(1(0.50.5s⁻¹)-21599d⁻¹)
Next Step Convert Units
θce=(1(0.50.5s⁻¹)-0.25s⁻¹)
Next Step Prepare to Evaluate
θce=(1(0.50.5)-0.25)
Next Step Evaluate
θce=86400.00000047s
Next Step Convert to Output's Unit
θce=1.00000000000544d
LAST Step Rounding Answer
θce=1d

Sludge Age given Endogenous Respiration Rate Constant Formula Elements

Variables
Sludge Age given Endogenous Constant
Sludge Age given Endogenous Constant is the average length of time that solids (or sludge) remain in the treatment system before being removed, given endogenous rate constant.
Symbol: θce
Measurement: TimeUnit: d
Note: Value should be greater than 0.
Maximum Yield Coefficient
Maximum Yield Coefficient is the maximum mg of cells produced per mg organic matter removed.
Symbol: Y
Measurement: NAUnit: Unitless
Note: Value should be between 0.4 to 0.8.
Specific Substrate Utilization Rate
Specific Substrate Utilization Rate is the rate at which a microbial population consumes a substrate per unit of biomass present.
Symbol: U
Measurement: First Order Reaction Rate ConstantUnit: s⁻¹
Note: Value should be greater than 0.
Endogenous Respiration Constant
Endogenous Respiration Constant is a rate constant that represents the rate of oxygen consumption due to the endogenous respiration of microorganisms in a biological treatment process.
Symbol: Ke
Measurement: First Order Reaction Rate ConstantUnit: d⁻¹
Note: Value should be greater than 0.

Other formulas in Sludge Age category

​Go Sludge Age
θc=MssM'
​Go Sludge Age given Total Solids Removed
θct=VXEM'
​Go Sludge Age given Concentration of Solids
θc'=VXsa(QwXR)+(Qmax-Qw)XE
​Go Sludge Age given MLSS
θc''=VX'QwXR

How to Evaluate Sludge Age given Endogenous Respiration Rate Constant?

Sludge Age given Endogenous Respiration Rate Constant evaluator uses Sludge Age given Endogenous Constant = (1/((Maximum Yield Coefficient*Specific Substrate Utilization Rate)-Endogenous Respiration Constant)) to evaluate the Sludge Age given Endogenous Constant, The Sludge Age given Endogenous Respiration Rate Constant formula is defined as the calculation of sludge age when we have prior information of endogenous respiration rate constant. Sludge Age given Endogenous Constant is denoted by θce symbol.

How to evaluate Sludge Age given Endogenous Respiration Rate Constant using this online evaluator? To use this online evaluator for Sludge Age given Endogenous Respiration Rate Constant, enter Maximum Yield Coefficient (Y), Specific Substrate Utilization Rate (U) & Endogenous Respiration Constant (Ke) and hit the calculate button.

FAQs on Sludge Age given Endogenous Respiration Rate Constant

What is the formula to find Sludge Age given Endogenous Respiration Rate Constant?
The formula of Sludge Age given Endogenous Respiration Rate Constant is expressed as Sludge Age given Endogenous Constant = (1/((Maximum Yield Coefficient*Specific Substrate Utilization Rate)-Endogenous Respiration Constant)). Here is an example- 1.2E-5 = (1/((0.5*0.5)-0.249988425925926)).
How to calculate Sludge Age given Endogenous Respiration Rate Constant?
With Maximum Yield Coefficient (Y), Specific Substrate Utilization Rate (U) & Endogenous Respiration Constant (Ke) we can find Sludge Age given Endogenous Respiration Rate Constant using the formula - Sludge Age given Endogenous Constant = (1/((Maximum Yield Coefficient*Specific Substrate Utilization Rate)-Endogenous Respiration Constant)).
Can the Sludge Age given Endogenous Respiration Rate Constant be negative?
No, the Sludge Age given Endogenous Respiration Rate Constant, measured in Time cannot be negative.
Which unit is used to measure Sludge Age given Endogenous Respiration Rate Constant?
Sludge Age given Endogenous Respiration Rate Constant is usually measured using the Day[d] for Time. Second[d], Millisecond[d], Microsecond[d] are the few other units in which Sludge Age given Endogenous Respiration Rate Constant can be measured.
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