One thousand kmol/h of rich gas at 70F with 25% C₁, 15% C₂, 25% C₃, 20% nC₄, and 15% nC₅ by moles is to be absorbed by 500 kmol/h of nC₁₀ at 90°F in an absorber at 4 atm. Calculate by the Kremser method the % absorption of each component for: 

(a) 4 theoretical stages, 

(b) 10 theoretical stages, and 

(c) 30 theoretical stages.  Use Figures 2.4 and 2.5 for K-values. What do you conclude?

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S PRESSURE, PSIA 6 A COMPARISON OF ABOUT 900 EXPERIMENTAL POINTS THE NOMOGRAM INDICATES THE FOLL AVERAGE DEVIATION 6.8% 400. % DEVIATION NEXXX 100 KNOMO- KEXP PRESSURE, PSIA 88888: CYCLO 073 ( SNOL E 8' .8. AME 5 8 TT 8 2 8 8 89 NORMAL BOILING POINT, DEG. F