// multi-utility computation suite · offline · instant · precise
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sci.plug-flow-reactor-PFR Calculator
Calculates concentration profile along a plug flow reactor length for first or second order reactions. At 50% conversion for first-order, PFR requires Damköhler Da = ln(2) = 0.693 — CSTR requires Da = 1.0 for the same conversion, showing PFR's superior use of reactor volume.
Inputs
C A0 Mol L
Amount of solute per unit volume. Higher concentration = more solute dissolved.
K 1 Per Min
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
Target Conversion Pct
Reference formula or conversion factor shown for context.
Results
required space time τ (min)
The computed duration or time value.
exit concentration CA (mol/L)
The proportional relationship between two quantities.
V/Q ratio (min)
The proportional relationship between two quantities.