Question: Sulfur Dioxide (SO 2 , Component A) is absorbing into water in a packed column. At a certain location within the column, the bulk conditions

Sulfur Dioxide (SO2, Component A) is absorbing into water in a packed column. At a certain location within the column, the bulk conditions are 50C, 2 atm, yAG = 0.085, and xAL = 0.001. Equilibrium data for SO2 between air and water at 50C is shown below

pA (atm) cA (lbmol/ft3)
0.0382 0.00193
0.0606 0.00290
0.1092 0.00483
0.1700 0.00676

We also have the following experimental values of the convective mass transfer coefficients:

kc,liq = 5 x 10-5 m/s kg = 1.111 x 10-5 kmol/(m2 s kPa)

For that point in the column, calculate: a) The global mass transfer coefficients Kc, liq and Kg, in the same units as the given local coefficients. b) The relative resistances to mass transfer in both phases, in % c) The flux of sulfur dioxide, in kmol/m^2 s

d) Plot the equilibrium line and the driving force line

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