Elements of
Chemical Reaction Engineering
6th Edition



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Essentials of
Chemical Reaction Engineering
Second Edition

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Chapter 12: Steady-State Nonisothermal Reactor Design: Flow Reactors with Heat Exchange

Additional Homework Problems

CDP12-GB

  You wish to use an existing CSTR for the liquid-phase exothermic first-order reaction
     
   

IMAGE 08eq14.gif

    Unfortunately, there is also an undesired side reaction
     
   

IMAGE 08eq15.gif

     
    which is liquid phase, endothermic, and first order.

You have available as a heating medium saturated steam at 212°F. The feed is available at 130°F. What area of heating coil (if any) will you specify to maximize the production of B? (Ans.: A = 106 ft 2 .)
     
    Additional information:


IMAGE 08eq16.gif

     
     
    Reasonable assumptions: The density and specific heat of fluid are unchanged by reaction or temperature change. The effect of the coil on the effective reactor volume is negligible.

[1st Ed. P9-21]