The irreversible liquid-phase reactionsReaction (1) A+B→2C rIC=klCCACBReaction (2) 2B + C→...

The irreversible liquid-phase reactions

Reaction (1) A+B→2C rIC=klCCACB

Reaction (2) 2B + C→D r2D = k2DCBCc

are carried out in a PFR with heat exchange. The following temperature profiles were obtained for the reaction and the coolant stream.

The concentrations of A, B, C, and D were measured at the point down the reactor where the liquid temperature, T, reached a maximum, and they were found to be CA = 0.1, CB = 0.2, Cc = 0.5, and CD = 1.5 all in mol/dm[1]. The product of the overall heat-transfer coefficient and the heat-exchanger area per unit volume, Ua, is 10 cal/s • dm3 • K. The feed is equimolar in A and B, and the entering molar flow rate of A is 10 mol/s. What is the activation energy for Reaction (1)?

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