Mass Transfer
In steam distillation, the

Temperature is more than 100° C
Product must be immiscible with water
Temperature is higher than the boiling point of either component
Temperature is 100°C

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Mass Transfer
Compound A is extracted from a solution of A + B into a pure solvent S. A Co-current unit is used for the liquid-liquid extraction. The inlet rate of the solution containing A is 200 moles of B/hr.m² and the solvent flow, rate is 400 moles of S/m². hr. The equilibrium data is represented by Y = 3X² , where Y is in moles of a A/moles of B and X is in moles A/moles of S. The maximum percentage extraction achieved in the unit is

0.25
0.7
0.5
0.9

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Mass Transfer
Humid volume is the total volume in m³ of 1 kg of

Vapour laden gas at 1 atm. and gas temperature
Gas plus its accompanying vapour at 1 atm. and gas temperature
Gas plus its accompanying vapour at 1 atm. and room temperature
Vapour laden gas at 1 atm. and room temperature

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