D

pb water activity of the bed water activity of the inlet air when T < Topt water activity of the inlet air when T > Topt bed water activity set point fitting parameters of the double-Arrhenius equation (Eq. (22.1))

area of contact between the bed and the headspace (m2)

area of contact between the bed and the bioreactor wall (m2)

cross sectional area of the headspace normal to the gas flow (m2)

area of contact between the headspace and the bioreactor wall (m2)

area of contact between the bioreactor wall and the surroundings (m2)

initial biomass concentration (kg-biomass kg-initial-dry-substrate-1)

maximum possible biomass concentration

(kg-biomass kg-initial-dry-substrate-1)

total mass of bioreactor wall (kg)

heat capacity of the bioreactor wall (J kg-1 °C-1)

heat capacity of liquid water (J kg-1 °C-1)

bioreactor diameter (m)

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