In steam distillation, the

Related MCQs

• If the amount of the steam used in steam distillation is increased, the temperature of distillation
• The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by
• In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because
• Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
• Steam distillation is used to
• Steam distillation is not recommended to be used, if the
• Steam distillation is used for separation of high boiling
• An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii)
• 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.
• 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