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Chemical Reaction Engineering
Ideal Reactor Design
GATE 2011
Hard

The 5 litre CSTR above is replaced by five 1-litre CSTRs in series (same total volume, same k=0.15 min⁻¹, same feed). The overall conversion (in %) is

  • A65
  • B67
  • 73
  • D81

Explanation

τ per reactor=1000/500=2 min. kτ=0.15×2=0.3. (1−X)=1/(1+kτ)⁵=1/(1.3)⁵=1/3.713=0.2693. X=1−0.2693≈0.731≈73%.

Source: GATE CH 2011 (2011)

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