The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will

Related MCQs

• On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
• For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will
• For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams
• When the feed to a distillation column is a saturated liquid, slope of the feed line is
• In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed
• A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,
• The reflux to a distillation column is 100 moles/hr, when the overhead product rate is 50 moles/hr. The reflux ratio is
• In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as
• Pick out the correct relationship. (Where, Ri = internal reflux ratio Ro = external reflux ratio.)
• If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm.