Flow & Composition Parameters
Gas flow rate G (kmol/h)
100
Liquid flow rate L (kmol/h)
200
Inlet gas y₁ (mol fr.)
0.050
Outlet gas target y₂
0.005
Henry's constant m
0.50
Column diameter D (m)
1.0 m
—
NTU
—
HTU (m)
—
Column height Z (m)
—
Absorption factor A
⚠ Absorption factor A ≤ 1: absorption infeasible. Increase liquid flow rate.
Key Equations
Operating line: $L(x-x_0) = G(y-y_2)$Equilibrium: $y^* = mx$
NTU: $N_{OG} = \int_{y_2}^{y_1}\dfrac{dy}{y-y^*}$
Absorption factor: $A = \dfrac{L}{mG}$
Blue: operating line | Green: equilibrium curve y*=mx | Orange dashed: NTU integration path