When the feed to a distillation column is a saturated liquid, slope of the feed line is

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
• 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
• 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
• In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of
• For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will
• 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 At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped).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,
• If f = moles of vapour present per mole of feed, then the slope of feed line is (McCabeThiele method)
• In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because
• According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B ? Assume that relative volatility (αAB = 2) does not change appreciably in the column.
• Packed column distillation is limited to the column __________ metres.