A culture of Rhizobium sp. is grown in a chemostat (200 m³ bioreactor). The feed contains 12 g/L sucrose, Ks for the organism is 0.2 g/L and Hmax = 0.3 h¹. The flow rate required to obtain steady state concentration of sucrose as 2 g/L in the bioreactor

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#Question id: 15470

#Section 4: Fundamentals of Biological Engineering

In the stoichiometric equation given below identify which one of the following corresponds to oxygen balance:

CwHxOyNz + aO2 + bHgOhNi cCHαO_βN_δ + dCO₂ + eH₂O

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#Question id: 15471

#Section 4: Fundamentals of Biological Engineering

Which one of the following need NOT be conserved in a biochemical reaction?

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#Question id: 15472

#Section 4: Fundamentals of Biological Engineering

The mass of 1 kmol of oxygen molecules is

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#Question id: 15473

#Section 4: Fundamentals of Biological Engineering

How many kilograms of ethanol is produced from 1 kg of glucose in ethanol fermentation? 

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#Question id: 15474

#Section 4: Fundamentals of Biological Engineering

The overall reaction for microbial conversion of glucose to L-glutamic acid is:

C₆H₁₂O₆ + NH₃ + 3/2O₂ C₅H₉NO₄ + CO₂ + 3H₂O

(glucose)                            (glutamic acid)

What mass of oxygen is required to produce 15 g glutamic acid?

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#Question id: 15475

#Section 4: Fundamentals of Biological Engineering

Production of single-cell protein from hexadecane is described by the following reaction equation:

C₁₆H₃₄ + aO₂ + bNH₃ cCH_l.66O_0.27N0_.20 + dCO ₂ + eH₂O

where CH _1.660_0.27N_0.20 represents the biomass. If RQ= 0.43, determine the stoichiometric coefficients.