modelpreclar3
Inverse ASM1 Static Primary Clarifier Model
Extends from WasteWater.Icons.preclar2.
Information
This is a special case of the ASM1 static primary clarifier model.
Here measurement data at the end (effluent) of the preclarifier needs to be provided.
This is typical for some real plants. Influent is then calculated.
Parameters:
V - volume of the preclarifier
aS* - fractions of e.g. COD in influent (soluble components)
aX* - fractions of e.g. COD in influent (particular components)
n_corr- correction factor for the efficiency function
Dimension of InPort is 4.
1 - Chemical Oxygen Demand (COD) at effluent of primary clarifier
2 - nitrate nitrogen (Sno) at effluent of primary clarifier
3 - ammonium nitrogen (Snh) at effluent of primary clarifier
4 - pH-value at effluent of primary clarifier
Parameters
| Type | Name | Default | Description |
|---|
| Modelica.SIunits.Volume | V | 500 | Volume of primary clarifier tank |
| Real | aSi | 5/100 | Fraction of Si of the total COD in the influent |
| Real | aSs | 15/100 | Fraction of Ss of the total COD in the influent |
| Real | aXi | 15/100 | Fraction of Xi of the total COD in the influent |
| Real | aXs | 45/100 | Fraction of Xs of the total COD in the influent |
| Real | aXbh | 20/100 | Fraction of Xbh of the total COD in the influent |
| Real | aXba | 0/100 | Fraction of Xba of the total COD in the influent |
| Real | aXp | 0/100 | Fraction of Xp of the total COD in the influent |
| Real | aSo | 0.0 | Dissolved oxygen in the inflow [mg/l] |
| Real | aSnd | 1/100 | Fraction Snd of Ss in the influent |
| Real | aXnd | 3/100 | Fraction Xnd of Xs in the influent |
| Real | n_corr | 1.0 | Correction faktor for the efficiency function |
Components
| Type | Name | Default | Description |
|---|
| Real | hrt_h | | hydraulic residence time in primary sedimentation tank [h] |
| Real | n_COD | | efficiency of COD removal [%] |
| Real | n_X | | efficiency transformed to particulate fractions [%] |
| WWU.MassConcentration | Si | | Soluble inert organic matter |
| WWU.MassConcentration | Ss | | Readily biodegradable substrate |
| WWU.MassConcentration | Xi | | Particulate inert organic matter |
| WWU.MassConcentration | Xs | | Slowly biodegradable substrate |
| WWU.MassConcentration | Xbh | | Active heterotrophic biomass |
| WWU.MassConcentration | Xba | | Active autotrophic biomass |
| WWU.MassConcentration | Xp | | Particulate products from biomass decay |
| WWU.MassConcentration | So | | Dissolved oxygen |
| WWU.MassConcentration | Sno | | Nitrate and nitrite nitrogen |
| WWU.MassConcentration | Snh | | Ammonium nitrogen |
| WWU.MassConcentration | Snd | | Soluble biodegradable organic nitrogen |
| WWU.MassConcentration | Xnd | | Particulate biodegradable organic nitrogen |
| WWU.Alkalinity | Salk | | Alkalinity |
| Real | COD | | |
| Real | CODin | | |
| Real | CODout | | |
| Real | XCOD | | |
| Real | H | | |
| ASM1.Interfaces.WWFlowAsm1in | In | | |
| ASM1.Interfaces.WWFlowAsm1out | Out | | |
| Modelica.Blocks.Interfaces.RealInput[4] | MeasurePort | | |