In A Packed Absorption Column Hydrogen Sulphide H2s Is Removed From Natural Gas By Dissolution In An Amine Solvent A 1 (79.72 KiB) Viewed 56 times
In a packed absorption column, hydrogen sulphide (H2S) is removed from natural gas by dissolution in an amine solvent. At a given location in the packed column, the mole fraction of H2S in the bulk of the liquid is 5 x 10-3, the mole fraction of H2S in the bulk of the gas is 3 x 10-2, and the molar flux of H2S across the gas- liquid interface is 2 x 10-5 mol s1 m2. The system can be considered dilute and is well approximated by the equilibrium relationship, ya* = 5x *. =
c) Determine the height of the rectification section of the column. [8 marks] d) Explain the factors that would determine whether the reflux ratio mentioned above is the most suitable one for the process. [4 marks]
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