EXAMPLE 12.2 Recycle in a Process in Which a Reaction Occurs Cyclohexane (C,H12) can be made by the reaction of benzene (Bz) (C,H6) with hydrogen according to the following reaction: C,H6 + 3H2 =...

Extracted text: EXAMPLE 12.2 Recycle in a Process in Which a Reaction Occurs Cyclohexane (C,H12) can be made by the reaction of benzene (Bz) (C,H6) with hydrogen according to the following reaction: C,H6 + 3H2 = C,H12 For the process shown in Figure E12.2, determine the ratio of the recycle stream to the fresh feed stream if the overall conversion of benzene is 95%, and the single- pass conversion is 20%. Assume that 20% excess hydrogen is used in the fresh feed, and that the composition of the recycle stream is 22.74 mol % benzene and 78.26 mol % hydrogen. Reactor feed Product P Mixer Fresh Feed ng, F 20% excess H2 Reactor Soparator R Recycle 22.74% Bz 77.26% H2