Assuming a stoichiometry of A -> R for a first order gas phase reaction, the volume of a PFR for 99% conversion of pure 'A' is calculated to be 32 liters. But in fact the correct reaction stoichiometry is A --> 3R. With this corrected stoichiometry, determine the reactor volume required for the same conversion
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Start by writing the balanced chemical equation for the reaction. This will give you the stoichiometry of the reaction. Show more…
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A homogeneous liquid phase reaction with the given stoichiometry and kinetics A→S, -rA=kCA^2, takes place with 50% conversion in a mixed flow reactor. Find the conversion if this reactor is replaced by another mixed flow reactor having a volume 6 times that of the original reactor - all else remains unchanged. Find the conversion if the original reactor is replaced by a plug flow of the same size - all else remains unchanged.
Assuming a stoichiometry A(g) -> B(g) for a first-order gas reaction, the size of an isobaric, isothermal plug flow reactor needed for a given duty (90% conversion of pure A feed) is calculated as 32 liters. In fact, however, the reaction stoichiometry is A(g) -> 3B(g). (a) With this corrected stoichiometry, what is the required volume of PFR? (b) Compare the volume that you calculated with the previous volume of 32 liters and discuss the reason for this difference in volumes. (c) If the mentioned reaction were carried out in the liquid phase, what could you say about the difference in volume? Explain the reason briefly.
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