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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A continuous distillation operation with a reflux ratio (L/D) of 3.5 yields a distillate containing 97 wt% B (benzene) and bottoms containing 98 wt% T (toluene). Due to weld failures, the 10 plates in the bottom section of the column are ruined, but the 14 upper plates are intact. It is suggested that the column still be used, with the feed (F) as saturated vapor at the dew point, with F = 13,600 kgh containing 40 wt% B and 60 wt% T. Assuming that the plate efficiency remains unchanged at 50%:
(a) Can this column still yield a distillate containing 97 wt% B,
(b) How much distillate can we get, and
(c) What will the composition of the residue be in mole percent? For vapor-liquid equilibrium data, see Exercise 7.13.
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