QuestionQuestion

1 A 1st order irreversible reaction, A ---> R, has a reaction rate constant k = 0.01 s¯¹. The volume change in the reaction can be neglected.
(a) If the reaction is happening in a batch reactor, work out the mole balance and performance equation.
(b) To reach 30% conversion in batch reactor, how long does it take?
(c) If the reaction is happening in a continuous stirred tank reactor (CSTR) or a plug flow reactor (PFR) with the same molar flow rate;
(i) to achieve the same conversion, which type of reactor requires smaller volume?
(ii) Explain your answer using the Levenspiel plot (conversion X versus reciprocal rate 1/-r plot).
(d) Calculate the Air Fuel ratio (AFR) required for combustion of Butane (C4H10) in 50% theoretical air.

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