Max Yield Coefficient
Max Yield Coefficient refers to the maximum mg of cells produced per mg organic matter removed.
Symbol: Y'
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.4.
Volume of reactor
Volume of reactor refers to the design and operation of wastewater treatment systems.
Symbol: Vm
Measurement: VolumeUnit: m³
Note: Value can be positive or negative.
MLVSS
MLVSS refers to the amount of active microbial biomass, which is crucial for the biological degradation of organic pollutants.
Symbol: Xa
Measurement: DensityUnit: mg/L
Note: Value should be between 1000 to 6500.
Mean Cell Residence Time
Mean Cell Residence Time is the average time that the sludge remains in the reactor.
Symbol: θc
Measurement: TimeUnit: d
Note: Value should be between 5 to 15.
Endogenous Decay Coefficient
Endogenous Decay Coefficient refers to the rate at which microorganisms in the biomass consume their own cell mass in the absence of an external food source.
Symbol: kd
Measurement: First Order Reaction Rate ConstantUnit: d⁻¹
Note: Value should be between 0.025 to 0.075.
Average Daily Influent Flow Rate
Average Daily Influent Flow Rate is the total discharge that comes in the reactor.
Symbol: Qa
Measurement: Volumetric Flow RateUnit: m³/d
Note: Value should be greater than 0.
Influent Substrate Concentration h
Influent Substrate Concentration h refers to the concentration of organic matter or nutrients in the raw wastewater entering a treatment plant.
Symbol: Sh
Measurement: DensityUnit: mg/L
Note: Value should be greater than 0.
Effluent Substrate Concentration
Effluent Substrate Concentration refers to the concentration of organic matter or nutrients present in the treated wastewater (effluent) that is discharged from a wastewater treatment plant.
Symbol: S
Measurement: DensityUnit: mg/L
Note: Value should be greater than 0.