Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for

Related MCQs

• 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.
• At what value of reflux ratio, number of theoretical plates in a distillation column is minimum?
• The minimum number of theoretical plates is required for achieving a given separation in distillation column with
• Fenske equation for determining the minimum number of theoretical stages in distillation column holds good, when the
• At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.
• 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 At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped).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,
• For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will
• In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.
• Packed column distillation is limited to the column __________ metres.
• 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?