Project ForgeChemical Reaction Engineering
Ideal Reactor Design
GATE 2018
Medium
Elementary second-order A+B→C+D in an isothermal PFR (V=2m³, Q=10m³/h). CA0=CB0=2 kmol/m³, k=2.5 m³/kmol·h. The percentage conversion of A is
50 %(± 1 accepted)
Explanation
τ=V/Q=0.2h. With CA0=CB0: 1/CA−1/CA0=kτ ⟹ 1/CA=0.5+2.5×0.2=1.0 ⟹ CA=1.0. Conversion=(2−1)/2=50%.
Source: GATE CH 2018 (2018)
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