PFR Volume (1st Order) Calculator

Levenspiel integral for first-order reaction

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PFR Volume (1st Order)

Levenspiel integral for first-order reaction

$$V=\dfrac{F_{A0}}{kC_{A0}}\ln\!\left(\dfrac{1}{1-X}\right)$$

Integrated for irreversible 1st order liquid-phase reaction $-r_A=kC_{A0}(1-X)$. PFR outperforms single CSTR for positive-order reactions.

F_A0 (mol/s)

k (s⁻¹)

C_A0 (mol/m³)

X (0–1)

All fields required; k, C_A0 nonzero, X between 0–0.9999.

Reactor Volume V

—m³

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