The growth of baker’s yeast (S. cerevisiae) on glucose may be simply described by the following equation:

In a batch reactor of volume 10^5 l, the final desired yeast concentration is 50 gdw/l. Using the above reaction stoichiometry. Determine the yield coefficient YX/O2 (biomass/oxygen)?

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#Question id: 27323

#Section 5: Bioprocess Engineering and Process Biotechnology

In microbial cultivation experiment with cells having significant maintenance requirements, the measured  growth yield Y’ XS (G) and the true growth yield Y XS

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#Question id: 27324

#Section 5: Bioprocess Engineering and Process Biotechnology

During a batch culture experiment, the following data was obtained

What will be the product yield (g) per gram of substrate?

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#Question id: 27325

#Section 5: Bioprocess Engineering and Process Biotechnology

if the initial substrate concentration is 15 g/L and initial biomass concentration is 0.1 g/L. The substrate is then consumed completely and produces 6.4 g/L of biomass. The yield coefficient will be

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#Question id: 27326

#Section 5: Bioprocess Engineering and Process Biotechnology

The growth of a microorganism on glucose is described by the Monod model (µmax = 0.7 h¹ and Ks = 0.1 g L¹). If the initial biomass concentration in the batch fermenter is 0.1 g L¹, the minimum time required to triple the biomass concentration would be

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#Question id: 27327

#Section 5: Bioprocess Engineering and Process Biotechnology

The product formation kinetics of a biochemical process follows the model qp = au + B. In case of a = 0, the rate of product formation is

TLS Online TPP Program

#Question id: 27328

#Section 5: Bioprocess Engineering and Process Biotechnology

The unit of maintenance coefficient is