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Essentials of Chemical Reaction Engineering by H. Scott Fogler

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8.5.1 Complex Reactions in a PBR

Example 8-5. Multiple Gas Phase Reactions in a PBR

The following complex gas phase reactions follow elementary rate laws

image

and take place isothermally in a PBR. The feed is equimolar in A and B with FA0 = 10 mol/min and the volumetric flow rate is 100 dm3/min. The catalyst weight is 1,000 kg, the pressure drop is α = 0.0019 kg–1, and the total entering concentration is CT0 = 0.2 mol/dm3.

image

a. Plot and analyze FA, FB, FC, FD, y, and as a function of catalyst weight, W.

Solution

Gas Phase PBR

Mole Balances

E8-5.1 ...

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