Chemical Engineering > GATE 2015 > Reactor Configuration
Consider two steady isothermal flow configurations shown schematically as Case I and Case II below. In Case I, a CSTR of volume V₁ is followed by a PFR of volume V₂, while in Case II a PFR of volume V₂ is followed by a CSTR of volume V₁. In each case, a volumetric flow rate Q of liquid reactant is flowing through the two units in series. An irreversible reaction A → products (order n) takes place in both cases, with a reactant concentration CA0 being fed into the first unit.
Case I:
Case II:
Choose the correct option:
A
CAfI/CAfII > 1 for n=1
B
CAfI/CAfII = 1; for n=1
C
CAfI/CAfII < 1 for n=1
D
CAfI/CAfII = 1 for n>0

Correct : b

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