Initialization file for custom real world wastewater treatment plant layout (N. Hvala et al. 2018).
This file will be executed when running custom_layout_bsm2.py.
PRIM_THICKENERPAR = array([PRIM_THICKENER_PERC, TSS_REMOVAL_PERC, X_I2TSS, X_S2TSS, X_BH2TSS, X_BA2TSS, X_P2TSS])
Primary thickener parameters.
WASTE_THICKENERPAR = array([WASTE_THICKENER_PERC, TSS_REMOVAL_PERC, X_I2TSS, X_S2TSS, X_BH2TSS, X_BA2TSS, X_P2TSS])
Waste thickener parameters.
SEC_THICKENERPAR = array([SEC_THICKENER_PERC, TSS_REMOVAL_PERC, X_I2TSS, X_S2TSS, X_BH2TSS, X_BA2TSS, X_P2TSS])
Secondary thickener parameters.
DEWATERING_CENTRIFUGE_PERC = 25
TTS in dewatering centrifuge underflow [%].
X_I2TSS = 0.75
Conversion factor of inert particulate organic matter X_I to TSS [g(SS) ⋅ g(COD)⁻¹].
X_S2TSS = 0.75
Conversion factor of slowly biodegradable substrat X_S to TSS [g(SS) ⋅ g(COD)⁻¹].
X_BH2TSS = 0.75
Conversion factor of heterotrophic biomass X_B,H to TSS [g(SS) ⋅ g(COD)⁻¹].
X_BA2TSS = 0.75
Conversion factor of autotrophic biomass X_B,A to TSS [g(SS) ⋅ g(COD)⁻¹].
X_P2TSS = 0.75
Conversion factor of particulate products from biomass decay X_P to TSS [g(SS) ⋅ g(COD)⁻¹].
PRIM_CENTRIFUGEPAR = array([PRIM_CENTRIFUGE_PERC, TSS_REMOVAL_PERC, X_I2TSS, X_S2TSS, X_BH2TSS, X_BA2TSS, X_P2TSS])
Primary centrifuge parameters.
WASTE_CENTRIFUGEPAR = array([WASTE_CENTRIFUGE_PERC, TSS_REMOVAL_PERC, X_I2TSS, X_S2TSS, X_BH2TSS, X_BA2TSS, X_P2TSS])
Waste centrifuge parameters.
DEWATERING_CENTRIFUGEPAR = array([DEWATERING_CENTRIFUGE_PERC, TSS_REMOVAL_PERC, X_I2TSS, X_S2TSS, X_BH2TSS, X_BA2TSS, X_P2TSS])
Dewatering centrifuge parameters.
SLUDGE_DRYINGPAR = array([SLUDGE_DRYING_PERC, TSS_REMOVAL_PERC, X_I2TSS, X_S2TSS, X_BH2TSS, X_BA2TSS, X_P2TSS])
Sludge drying parameters.
PF_QINTR = 0.004
Pumping energy factor for internal activated sludge recirculation [kWh ⋅ m⁻³].
PF_QR = 0.008
Pumping energy factor for external activated sludge recirculation from settler [kWh ⋅ m⁻³].
PF_QPRIM_CLAR_UF = 0.075
Pumping energy factor for pumped underflow from primary clarifier [kWh ⋅ m⁻³].
PF_QPRIM_THIC_UF = 0.06
Pumping energy factor for pumped underflow from primary thickener [kWh ⋅ m⁻³].
PF_QWASTE_THIC_UF = 0.06
Pumping energy factor for pumped underflow from waste thickener [kWh ⋅ m⁻³].
PF_QSEC_THIC_UF = 0.06
Pumping energy factor for pumped underflow from secondary thickener [kWh ⋅ m⁻³].
PF_QPRIM_CENTR_UF = 0.004
Pumping energy factor for pumped underflow from primary centrifuge unit [kWh ⋅ m⁻³].
PF_QWASTE_CENTR_UF = 0.004
Pumping energy factor for pumped underflow from waste centrifuge unit [kWh ⋅ m⁻³].
PF_QDW_CENTR_UF = 0.004
Pumping energy factor for pumped underflow from dewatering centrifuge unit [kWh ⋅ m⁻³].
PF_QSL_DRYING_UF = 0.004
Pumping energy factor for pumped underflow from sludge drying unit [kWh ⋅ m⁻³].
PP_PAR = array([TOTALCODEMAX, TOTALNEMAX, SNHEMAX, TSSEMAX, BOD5EMAX, BSS, BCOD, BNKJ, BNO, BBOD5, PF_QINTR, PF_QR, PF_QW, PF_QPRIM_CLAR_UF, PF_QPRIM_THIC_UF, PF_QWASTE_THIC_UF, PF_QSEC_THIC_UF, PF_QPRIM_CENTR_UF, PF_QWASTE_CENTR_UF, PF_QDW_CENTR_UF, PF_QSL_DRYING_UF, ME_AD_UNIT])
Plant performance parameters.
INT_RECIRC = 4 * Q_INFLUENT_AVG
Internal recirculation flow rate in the activated sludge system [m³ ⋅ d⁻¹].
EXTERNAL_RECYCLE = 1.6 * Q_INFLUENT_AVG
External recirculation flow rate from settler to the activated sludge system [m³ ⋅ d⁻¹].
KLA_ANAEROBIC = 0
Default KLa (oxygen transfer coefficient) value for anaerobic reactor [d⁻¹].
KLA_ANOXIC = 0
Default KLa (oxygen transfer coefficient) value for anoxic reactor [d⁻¹].
KLA_AEROBIC = 120
Default KLa (oxygen transfer coefficient) value for aerobic reactor [d⁻¹].
SO4AWSTATE = 379.05091041032915
Initial integration value for 'antiwindup' saturated oxygen concentration of PI controller 4
[g(O₂) ⋅ m⁻³].