Page 294 - Separation process engineering
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b. If the feed is 79.0 mol% nitrogen and 21.0 mol% oxygen and is a saturated vapor, estimate
(L/D) min .
c. Estimate the number of stages and the feed location if L/D = 1.1 (L/D) min . The column has a
total condenser and a partial reboiler.
G. Computer Simulation Problems
G1. Repeat Problem 7.D7 on AspenPlus using RADFRAC.
a. Find N at total reflux.
b. Find (L/D) min accurately with a few hundred stages.
