+1 vote
in Mass Transfer by (37.1k points)
Consider a saturated liquid-vapour mixture, if the liquid flow rate inside the enriching and the stripping section of a fractionator is 50 and 40 mol/hr. Also the feed rate is 10 mol/hr.  Find the feed condition.

(a) Saturated vapour

(b) Saturated liquid

(c) Superheated vapour

(d) None of the mentioned

This question was posed to me in a job interview.

This key question is from Flash Vaporization Line (q-line) in portion Distillation of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Right answer is (b) Saturated liquid

Best explanation: q= 50-40/10 = 1; then the feed condition is a saturated liquid.

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