(a) Revisit Examples 2-1 through 2-3. How would your answers change if the flow rate, FA0, were cut in half? If it were doubled?
(b) Example 2-5. How would your answers change if the two CSTRs (one 0.82 m3 and the other 3.2 m3) were placed in parallel with the flow, FA0 divided equally between the reactors?
(c) Example 2-6. Flow would your answer change if the PFRs were placed in parallel with the flow, FA0, divided equally to each reactor?
(d) Example 2-7. (1) What would be the reactor volumes if the two intermediate conversions were changed to 20% and 50%, respectively? (2) What would be the conversions, X1, X2, and X3, if all the reactors had the same volume of 100 dm3 and were placed in the same order? (3) What is the worst possible way to arrange the two CSTRs and one PFR?
(e) Example 2-8. The space time required to achieve 80% conversion in a CSTR is 5 h. The entering volumetric flow rate and concentration of reactant A are 1 dm3/min and 2.5 molar, respectively. If possible, determine (1) the rate of reaction, −rA =_____, (2) the reactor volume, V =, (3) the exit concentration of A, CA = ________, and (4) the PFR space time for 80% conversion.
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