modelASM1base

Base class of WWTP modelling by ASM1

Extends from Interfaces.stoichiometry (ASM1 stoichiometric coefficients).

Information

This partial model provides connectors and equations that are needed in the biological 
components (nitrification and denitrification tank) for ASM1 wastewater treatment plant models.
Parameters are coded according the ASM1 [1,2] standard distribution.
Changes to this parameters are subject to the modeller.

Main Author:
   Gerald Reichl
   Technische Universitaet Ilmenau
   Faculty of Informatics and Automation
   Department Dynamics and Simulation of ecological Systems
   P.O. Box 10 05 65
   98684 Ilmenau
   Germany
   email: gerald.reichl@tu-ilmenau.de


References:

[1] M. Henze and C.P.L. Grady Jr and W. Gujer and G.v.R. Marais and T. Matsuo:
    Activated Sludge Model No.1. IAWQ, 1987.
[2] M. Henze and W.Gujer and T. Mino and. M.v. Loosdrecht: Activated Sludge
    Models ASM1, ASM2, ASM2d, and ASM3. IWA Task Group on Mathematical Modelling
    for Design and Operation of Biological Wastewater Treatment, 2000.


This package is free software; it can be redistributed and/or modified under the terms of the Modelica license, see the license conditions and the accompanying
disclaimer in the documentation of package Modelica in file "Modelica/package.mo".

Copyright (C) 2000 - 2002, Gerald Reichl

Parameters

TypeNameDefaultDescription
RealY_h (from stoichiometry)0.67Heterotrophic Yield [g Xbh COD formed/(g COD utilised)]
RealY_a (from stoichiometry)0.24Autotrophic Yield [g Xba COD formed/(g N utilised)]
Realf_p (from stoichiometry)0.08Fraction of biomass to particulate products [-]
Reali_xb (from stoichiometry)0.086Fraction nitrogen in biomass [g N/(g COD)]
Reali_xp (from stoichiometry)0.06Fraction nitrogen in particulate products [g N/(g COD)]
Realmu_h_T4.0Maximum heterotrophic growth rate at T=15 deg C [day^-1]
Realb_h_T0.28Heterotrophic decay rate at T=15 deg C [day^-1]
Realmu_a_T0.5Maximum autotrophic growth rate at T=15 deg C[day^-1]
Realb_a_T0.1Autotrophic decay rate at T=15 deg C [day^-1]
Realk_a_T0.06Ammonification rate at T=15 deg C [m3/(g COD day)]
Realk_h_T1.75Maximum specific hydrolysis rate at T=15 deg C [g Xs/(g Xbh COD day)]
RealK_x_T0.0175Half-saturation (hydrolysis) at T=15 deg C [g Xs/(g Xbh COD)]
RealK_nh1.0Half-saturation (auto. growth) [g NH-N/m3]
RealK_s20.0Half-saturation (hetero. growth) [g COD/m3]
RealK_oh0.2Half-saturation (hetero. oxygen) [g O/m3]
RealK_no0.5Half-saturation (nitrate) [g NO-N/m3]
RealK_oa0.4Half-saturation (auto. oxygen) [g O/m3]
Realny_g0.8Anoxic growth rate correction factor [-]
Realny_h0.4Anoxic hydrolysis rate correction factor [-]

Connectors

TypeNameDefaultDescription
Interfaces.WWFlowAsm1inIn
Interfaces.WWFlowAsm1outOut
Interfaces.WWFlowAsm1outMeasurePort
Modelica.Blocks.Interfaces.RealInputT

Components

TypeNameDefaultDescription
Realmu_hMaximum heterotrophic growth rate f(T) [day^-1]
Realb_hHeterotrophic decay rate f(T) [day^-1]
Realmu_aMaximum autotrophic growth rate f(T) [day^-1]
Realb_aAutotrophic decay rate f(T) [day^-1]
Realk_aAmmonification rate f(T) [m3/(g COD day)]
Realk_hMaximum specific hydrolysis rate f(T) [g Xs/(g Xbh COD day)]
RealK_xHalf-saturation (hydrolysis) f(T) [g Xs/(g Xbh COD)]
WWU.MassConcentrationSiSoluble inert organic matter
WWU.MassConcentrationSsReadily biodegradable substrate
WWU.MassConcentrationXiParticulate inert organic matter
WWU.MassConcentrationXsSlowly biodegradable substrate
WWU.MassConcentrationXbhActive heterotrophic biomass
WWU.MassConcentrationXbaActive autotrophic biomass
WWU.MassConcentrationXpParticulate products from biomass decay
WWU.MassConcentrationSoDissolved oxygen
WWU.MassConcentrationSnoNitrate and nitrite nitrogen
WWU.MassConcentrationSnhAmmonium nitrogen
WWU.MassConcentrationSndSoluble biodegradable organic nitrogen
WWU.MassConcentrationXndParticulate biodegradable organic nitrogen
WWU.AlkalinitySalkAlkalinity
Realp1
Realp2
Realp3
Realp4
Realp5
Realp6
Realp7
Realp8
Realr1
Realr2
Realr3
Realr4
Realr5
Realr6
Realr7
Realr8
Realr9
Realr10
Realr11
Realr12
Realr13
RealinputSi
RealinputSs
RealinputXi
RealinputXs
RealinputXbh
RealinputXba
RealinputXp
RealinputSo
RealinputSno
RealinputSnh
RealinputSnd
RealinputXnd
RealinputSalk
Realaeration

Contents

NameDescription
WWU