Elements of
Chemical Reaction Engineering
6th Edition



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Essentials of
Chemical Reaction Engineering
Second Edition

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Chapter 9: Reaction Mechanisms, Pathways, Bioreactions and Bioreactors

Additional Homework Problems

CDP9-NB

An anionic polymerization is to be carried out in a CSTR. The reaction steps are

The entering concentration of monomer and initiator are M0 and I0, respectively.
(a)  Derive an equation involving the monomer concentration and only the variables kp, k1, I0, (i.e.,=V/v), and M0.
(b)  Derive an equation of the radical concentration as a function of space time,

(Ans. )

(c)  Choose representative values of ki (0.015 dm3/mol*s) and kp (103 dm3/mol*s)to plot I and M as a function of . What if ki>>kp and R1=I0
(d)  Derive equations for the first and second moments and , and D.