using "types"; FlowSheet Pei_Ying_Lin_2020 PARAMETERS qGmax as coefficient (Unit = 'mol/mol/h'); ks1 as conc_mol; Yxs as coefficient (Unit = 'mol/mol'); fHAc as coefficient (Unit = 'mol/mol'); fHBu as coefficient (Unit = 'mol/mol'); fHEt as coefficient (Unit = 'mol/mol'); fH2 as coefficient (Unit = 'mol/mol'); VARIABLES SGli as conc_mol; SHAc as conc_mol; SHBu as conc_mol; SHEt as conc_mol; X1 as conc_mol; EQUATIONS "Biological Phase" diff(SGli)= -qGmax*(SGli/(ks1+SGli))*X1; diff(SHAc)= (1-Yxs)*fHAc*qGmax*(SGli/(ks1+SGli))*X1; diff(SHBu)= (1-Yxs)*fHBu*qGmax*(SGli/(ks1+SGli))*X1; diff(SHEt)= (1-Yxs)*fHEt*qGmax*(SGli/(ks1+SGli))*X1; diff(X1) = Yxs*qGmax*(SGli/(ks1+SGli))*X1; SET qGmax = 1.03*'mol/mol/h'; ks1 = 0.0026*'mol/l'; Yxs = 0.229*'mol/mol'; fHAc = 0.464*'mol/mol'; fHBu = 0.83*'mol/mol'; fHEt = 0.0*'mol/mol'; fH2 = 3.66*'mol/mol'; INITIAL SGli = 0.0175*'mol/l'; X1 = 0.0011*'mol/l'; SHAc = 0.0005*'mol/l'; SHBu = 0.0009*'mol/l'; SHEt = 0.0006*'mol/l'; OPTIONS TimeStart = 0; TimeStep = 0.5; TimeEnd = 30; TimeUnit = 'h'; end Estimation Pei_Ying_Lin_2020_Est as Pei_Ying_Lin_2020 ESTIMATE # PARAMETER START LOWER UPPER UNIT qGmax 1.03 0.0001 5 'mol/mol/h'; ks1 0.0026 0.0001 1 'mol/l'; Yxs 0.229 0.0001 1 'mol/mol'; EXPERIMENTS # DATA FILE WEIGTH "Pei_Ying_2020.dat" 1; OPTIONS NLPSolver( MaxIterations = 1000, File = "complex" #File = "ipopt_emso" ); end