Determine by the Kremser group method the separation that can be achieved for the absorption operation indicated

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Determine by the Kremser group method the separation that can be achieved for the absorption operation indicated in figure for the following combinations of conditions:

(a) Six equilibrium stages and 75-psia operating pressure,

(b) Three equilibrium stages and 150-psia operating pressure, and

(c) Six equilibrium stages and 150-psia operating pressure.


Lean gas 90°F Ibmol/h nC10 500 Absorber 60°F Ibmol/h C, C2 1,660 Rich oil 168 96 52 nC5 24 2,000 Figure 9,26 Data for

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