+1 vote
in Mass Transfer by (37.1k points)
Find the pure solvent rate if the feed ( F= 100 kmol/hr) composition is 0.65 and mixture solute composition is 0.5.

(a) 10 kmol/hr

(b) 20 kmol/hr

(c) 30 kmol/hr

(d) 40 kmol/hr

The question was asked in an interview for job.

Asked question is from Design of Extractor for Single Stage Operations in portion Liquid Extraction of Mass Transfer

1 Answer

0 votes
by (39.8k points)
The correct choice is (c) 30 kmol/hr

To explain: S/F = 0.65- 0.5/0.5 -0

                             = 0.3

                            = 100 x 0.3 = 30 kmol/hr.

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