Elements of
Chemical Reaction Engineering
6th Edition



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Essentials of
Chemical Reaction Engineering
Second Edition

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Chapter 16: Distributions of Residence Times for Chemical Reactors

Additional Homework Problems

WEB-P16-4A

  Review Examples 13-5 through 13-10 concerning segregation and maximum mixedness. Use POLYMATH or another software package to rework these problems for the following cases
     
   

image 13eq49.gif

     
    Vary the parameters to learn their effects on conversion. What is the effect of varying the product kt 0on conversion? Write a paragraph describing you findings
     
    (a) Start with a second-order reaction with kCA0 = 0.1 min-1,
     
   

image 13eq51.gif

     
    (b) Example 13-6: Vary t 0 around 8 min.
(c) Example 13-7: Vary t0 around 100 min.
(d) Example 13-8: Vary t0 around 50 min.
(e) Example 13-9: Vary t0around 1 min.
(f) Example 13-10: Vary t0 around 1 min
(g) How would your answers to part ____ (to be assigned) change if the reaction were carried out adiabatically with the parameter values given by Equation [P13-2(h).1]?

When varying A, B, and t0, remember that the values chosen for A, B, and t0must be such that
   

imag 13eq50.gif