+1 vote
in Mass Transfer by (37.1k points)
Find the distillate rate, if a differential condenser is used and the equilibrium relation is given as x*= 0.2y. Also the rate of feed is 100 mol/hr.

(a) 12 mol/hr

(b) 22 mol/hr

(c) 33 mol/hr

(d) 44 mol/hr

The question was posed to me in an interview for job.

This interesting question is from Distillation-Differential Distillation topic in section Distillation of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Right option is (b) 22 mol/hr

The explanation is: From the Rayleigh equation for differential condenser, we get distillate rate = 22.

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