A -B Coolant C Mixture of A, B, and C
Sophia and Nic are operating a batch reactor and the reaction is first-order, liquid-phase, and exothermic.An inert coolant is added to the reaction mixture to control the temperature. The temperature is kept constant by varying the flow rate of the coolant (see Figure P13-4B).(a)Help them calculate the flow rate of the coolant 2 h after the start of the reaction.
(b)It is proposed that rather than feeding a coolant to the reactor, a solvent be added that can be easily boiled off, even at moderate temperatures. The solvent has a heat of vaporization of 1000 Btu/lb and initially there are 25 lb-mol of A placed in the tank. The initial volume of solventand reactant is 300 ft3. Determine the solvent evaporation rate as a function of time. What is the rate at the end of 2 h?
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