D -, U k k2 A
Consider the reaction
Pure A is fed to a 1.0-dm3 CSTR where it reacts to form a desired product (D), which can then react further to produce an undesired product (U); both reactions are elementary and irreversible, and everything is liquid phase. The entering concentration of A is 1 mole/dm3 at a molar flow rate of 1 mol/min.
(a) Sketch the conversion of A, X, the instantaneous selectivity of D to U, SD/U, and the instantaneous yield of D, YD, as a function of space time (make sure to label them on the plot). You may want to write a sentence or two of reasoning for partial credit purposes.
(b) If at τ = 1.0 minutes the instantaneous selectivity, SD/U, is (1/2) and the conversion of A is (0.5),what are the specific reactions rates k1 and k2?
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