Elements of
Chemical Reaction Engineering
6th Edition



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Essentials of
Chemical Reaction Engineering
Second Edition

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Chapter 10: Catalysis and Catalytic Reactors

Additional Homework Problems

CDP10-QB

  The autocatalytic reaction
   

image 10eq15.gif

     
    is carried out isothermally in a moving-bed reactor. The reaction is elementary, follows separable catalyst decay kinetics, and the catalyst decay law is
     
   

image 10eq16.gif

    (a) Neglect pressure drop and determine the activity and concentration profiles as a function of catalyst weight along the reactor.
(b) Repeat part (a) by accounting for pressure drop for the case where the gas density varies down the reactor [i.e.image 10eq16a.gif. Both reactants and fresh catalyst enter at the same end.
     
imag e 10eq17.gif