Question

Reactor Analysis Example problem 4: 1.1. Because of the ease of constructing and operating a CMFR, its use is sometimes preferred over a PFR. For each of the conditions outlined in the table below, indicate the preferred reactor (PFR of CMFR), where an additional CMRF volume requirement of 25% is acceptable. In other words a CMFR is preferred if Vers/VOFR is equal to or less than 1.25 and a PFR is preferred if VMR/Vor is more than 1.25 Justify each answer by computing the volume requirements for the CMFR and PFR under each set of conditions in the table. Please do the analysis for one degree of completion only. If your last name starts with a letter between "A" and "L" please do the analysis for 99% completion of reaction. If you last name starts with a letter between "M" and "Z" please do the analysis for 10% completion of reaction. Table Q1.1 Reaction Order Degree of completion of reaction (%) CMFR PFR ONO

Answer 1

Given VOMERE 1.25 VPER CMER is preferable VIMER >1.25. Per is preferrable UPER Reaction order :- 2 X= 0.02. Erl=ka? Perfomance equation CMFR. PFR ХА-ХА, ZE EDAS ou EMER UPFR 0.99-0 Hope - Semaines ka (1-0.00} . CAD UPERX KX CAD C o.99 sox Vimpex K = var en kan het Cho 00 -1)] Cox Vimpex K _ 0.09 0.99 -0.99) 2 dividing both egns VCMFR 9000 2100 = 20 UPFR is preferrable CMER order -1 ; X=0.) UPFR 0.99 VCMER K G6 (1-09
to
VEMER XK 0.09 Sperek . -99 Vemer UPFR CMFR is preferrable. reaction order :-; X=0.09 UPERYK NEMER XK = 0.99 = 0.99 V x CAD v Cao NEMER VPER : S PFR is preferrable.