However, at higher temperatures the reaction is mass transfer-limited. The reaction currently takes place on a monolith catalyst where 45% conversion is achieved. It is proposed to double the number of plates for the same width and to halve the length of the reactor. What conversion can be expected for

(a) Monoliths operated at low Reynolds numbers?
(b) Monoliths operated at high Reynolds numbers?

[2nd Ed. P10-11]