Fermentation is carried out at 37°C in a batch bioreactor with a working volume of 30 m. At the end of each batch, fermentation media is transferred to a temporary storage tank where it is chilled to 4°C in 4 hours. a. Calculate the total energy needed to be removed from the fermentation media and power of the chiller to reduce the temperature to 4°C. b. Suggest at least one solution that would save energy on chilling purposes. (Q=m*Cp*AT, Cprerm. med. = 3.6 kJ K.kg ', 1 W 1 J/s)

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Fermentation is carried out at 37°C in a batch bioreactor with a working volume of 30 m. At the
end of each batch, fermentation media is transferred to a temporary storage tank where it is chilled
to 4°C in 4 hours.
Calculate the total energy needed to be removed from the fermentation media and power of
the chiller to reduce the temperature to 4°C.
b. Suggest at least one solution that would save energy on chilling purposes.
a.
(Q=m*Cp*AT, Cprerm. med.
3.6 kJ-K-kg ', 1 W 1 J/s)
Transcribed Image Text:Fermentation is carried out at 37°C in a batch bioreactor with a working volume of 30 m. At the end of each batch, fermentation media is transferred to a temporary storage tank where it is chilled to 4°C in 4 hours. Calculate the total energy needed to be removed from the fermentation media and power of the chiller to reduce the temperature to 4°C. b. Suggest at least one solution that would save energy on chilling purposes. a. (Q=m*Cp*AT, Cprerm. med. 3.6 kJ-K-kg ', 1 W 1 J/s)
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