A CSTR is being operated at steady state. The cell growth follows the Monod growth law without

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A CSTR is being operated at steady state. The cell growth follows the Monod growth law without inhibition. The exiting substrate and cell concentrations are measured as a function of the volumetric flow rate (represented as the dilution rate), and the results are shown below. Of course, measurements are not taken until steady state is achieved after each change in the flow rate. Neglect substrate consumption for maintenance and the death rate, and assume that Yp/c is zero. For run 4, the entering substrate concentration was 50 g/dm3 and the volumetric flow rate of the substrate was 2 dm3/h.Run Cs (g/dm) D (day21) Cc (g/dm) 1 1 2 3 3 4 4 10 1 1.5 1.6 1.8 0.9 0.7 0.6 4

a. Determine the Monod growth parameters μmax and KS.
b. Estimate the stoichiometric coefficients, Yc/s and Ys/c.

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