Question: Question 4. (20 marks) A packed bed reactor converts A to B by a first order catalytic reaction AB. With 5mm diameter pellets the reactor

Question 4. (20 marks) A packed bed reactor converts A to

Question 4. (20 marks) A packed bed reactor converts A to B by a first order catalytic reaction AB. With 5mm diameter pellets the reactor is in the strong pore diffusion resistance regime, and yields a conversion of 63.2%. (i) What conversion do you predict if the pellets were doubled in diameter to reduce pressure drop in the reactor? (15 marks) (ii) What conversion would you predict if the reactor was doubled in length while also doubling the pellet diameter? (5 marks) END OF EXAMINATION

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