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Problem 2 : Production of cumene You are going to produce cumene from propylene and benzene using the elementary, reversible gas phase reaction: C 3
Problem : Production of cumene
You are going to produce cumene from propylene and benzene using the elementary,
reversible gas phase reaction:
which as forward and reverse rate constants of and respectively. The research
scientists at MN Chemicals have collected the following kinetic and equilibrium data
for this reaction.
a What is the activation energy and preexponential factor for the forward rate
constant? What is the heat of reaction?
You are synthesizing cumene using a PFR with a volume of L The reactants are fed
into the isothermal, isobaric reactor with a molar flow rate of at a
propylene: benzene molar ratio of : and a total volumetric flow rate of
Hint: Use the partial pressures of the gases instead of the molar concentrations in your
rate expressions.
b What conversion do you achieve if the reactor is operated at
c What conversion do you achieve if the reactor is operated at
d Determine the equilibrium conversions at and as a function of
concentrations of various species? at ; at
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