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Table 1

Main parameters for OHO and AHO growth, EPS calculation and flocculation

Sumo2Sumo2C
ParameterOHOOHOAHO
Substrate  SB,poly or SVFA SB,mono 
Conditions of growth ox, anox, ana ox, anox, ana ox 
Rate of SB, mono storage into XSTO for AHOs, qAHO,STO (d−1 – 
Reduction factor for anoxicic storage of AHOs, ηSTO,AHO,anox   0.25 
Reduction factor for anaerobic storage of AHOs, ηSTO,AHO,ana   0.6 
Maximum specific growth rate, μMax (d−1
Half-saturation of readily biodegradable substrate, KS (g COD.m−30.5 
Half-saturation of O2, KO2 (g O2.m−30.05 0.05 0.5 
Decay rate, b (d−10.62 0.2 0.6 
Yield (g XBIO. g SB−10.67 0.67 0.6 
N content of biomass (mg N/mg COD) 0.07 0.07 0.1 
EPS content of XBIO, iEPS,XBIO (g COD.g COD−1 0.11 
EPS content of XE, iEPS,XE (g COD.g COD−1 0.01 
Half-saturation of O2 for EPS, KO2,EPS (g O2.m−3 0.5 
Half-saturation of NO3 for EPS, KNO3,EPS (g N.m−3 0.1 
Half-saturation of NO2 for EPS, KNO2,EPS (g N.m−3 0.05 
Reduction factor for anoxic flocculation, ηEPS,anox (-)  0.75 
Reduction factor for anaerobic flocculation, ηEPS,ana (-)  0.5 
Rate of flocculation, qFLOC (d−1 70 
Arrhenius coefficient for flocculation, θqFLOC  1.1 
Fraction of colloidal substrate produced in biomasses death, fC (g C.g XBIO−1 0.1 
Sumo2Sumo2C
ParameterOHOOHOAHO
Substrate  SB,poly or SVFA SB,mono 
Conditions of growth ox, anox, ana ox, anox, ana ox 
Rate of SB, mono storage into XSTO for AHOs, qAHO,STO (d−1 – 
Reduction factor for anoxicic storage of AHOs, ηSTO,AHO,anox   0.25 
Reduction factor for anaerobic storage of AHOs, ηSTO,AHO,ana   0.6 
Maximum specific growth rate, μMax (d−1
Half-saturation of readily biodegradable substrate, KS (g COD.m−30.5 
Half-saturation of O2, KO2 (g O2.m−30.05 0.05 0.5 
Decay rate, b (d−10.62 0.2 0.6 
Yield (g XBIO. g SB−10.67 0.67 0.6 
N content of biomass (mg N/mg COD) 0.07 0.07 0.1 
EPS content of XBIO, iEPS,XBIO (g COD.g COD−1 0.11 
EPS content of XE, iEPS,XE (g COD.g COD−1 0.01 
Half-saturation of O2 for EPS, KO2,EPS (g O2.m−3 0.5 
Half-saturation of NO3 for EPS, KNO3,EPS (g N.m−3 0.1 
Half-saturation of NO2 for EPS, KNO2,EPS (g N.m−3 0.05 
Reduction factor for anoxic flocculation, ηEPS,anox (-)  0.75 
Reduction factor for anaerobic flocculation, ηEPS,ana (-)  0.5 
Rate of flocculation, qFLOC (d−1 70 
Arrhenius coefficient for flocculation, θqFLOC  1.1 
Fraction of colloidal substrate produced in biomasses death, fC (g C.g XBIO−1 0.1 

ox: aerobic conditions; anox: anoxic conditions; ana: anaerobic conditions.

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