Question

P8-3B The following reactions D ku[CA-CD 1A. 1A. ka [CA-C, T/K take place in a batch reactor. Additional information: k1 31.0 min-1, K1A 10 k2 100 2A CAO- 1 mol/dm3 (Adapted from a problem by John Falconer, University of Colorado.) (a) Plot and analyze conversion and the concentrations of A, D, and U as a function of time. When would you stop the reaction to maximize the concentration of D? Describe what you find. (b) When does the maximum concentration of U occur? (Ans.: t 0.31 min) (c) What are the equilibrium concentrations of A, D, and U? (d) What would be the exit concentrations from a CSTR with a space time of 1.0 min? Of 10.0 min? Of 100 min?

Answer 1

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