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You are going to produce cumene from propylene and benzene using the elementary, reversible gas phase reaction: C3H6+C6H6C9H12 which as forward and reverse rate constants
You are going to produce cumene from propylene and benzene using the elementary, reversible gas phase reaction: C3H6+C6H6C9H12 which as forward and reverse rate constants of kf and kr, 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 pre-exponential factor for the forward rate constant? What is the heat of reaction? [A=2(1012),EA=110kJ/mol,Hrxn= 63kJ/mol] You are synthesizing cumene using a PFR with a volume of 150L. The reactants are fed into the isothermal, isobaric reactor with a molar flow rate of 14.4mol/min at a propylene: benzene molar ratio of 2:1 and a total volumetric flow rate of 100L/min. 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 100C ? [0.1] c. What conversion do you achieve if the reactor is operated at 150C ? [0.68] d. Determine the equilibrium conversions at 100C and 150C as a function of concentrations of various species? [at 100C,X=0.95; at 150C,X=0.68 ]
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