Chemical Engineering - Teerthanker Mahaveer University

Course Code: ECH-602
Semester-VI
MASS TRANSFER–II
B.Tech (CHE) Syllabus Applicable w.e.f. Academic Session 2012-13[01112012]
L T P C
3 0 0 3
Unit – I
Distillation : Vapor liquid Equilibria, Boiling point diagram, Relative volatility, flash and differential
distillation for two component mixture, steam distillation, azeotropic distillation, extractive distillation.
Continuous and differential contact distillation: Rectification, reflux ratio and its importance,
Minimum reflux, total and optimum reflux ration, material balance and Q-line equation, open steam,
multiple feed and multiple product calculations, Enthalpy concentration diagram, panchon-Savarit and
McCabe Theile method for calculation of number of plates. Approximate wquation; Fensky and
underwood equation for minimum reflux and minimum number of plate calculation, Batch distillation.
(Lectures 08)
Unit – II
Liquid – Liquid extraction : Liquid-Liquid equilibrium, packed and spray column, conjugate curve and
tie line data, plait-point, ternary liquid-liquid extraction, co-current, counter current and parallel current
system, selection of solvent for extraction.
(Lectures 08)
Unit – III
Leaching : Solid-liquid equilibrium, Equipment, principles of leaching, co-current and counter current
systems and calculation of number of stage required.
Unit – IV
Humidification : General theory, psychometric chart, fundamental concepts in humidification and
dehumidification, drybulb and wet bulb temperature, adiabatic saturation temperature, measurement of
humidity calculation of humidification operation, cooling towers and related equipments.
(Lectures 08)
Unit – V
Crystallization : Supersaturation, methods to achieve supersaturation, Factors governing nucleation and
crystal growth rates, controlled-growth of crystals, super saturation curve, principle and design of batch
and continuous type crystallizers, Inverted soliability, fractional crystallization.
(Lectures 08)
Text Books:
1. Treybal, R.E; “Mass Transfer Operation”, McGraw-Hill,1980.
2. King, C.J. “Separation Process”, McGraw-Hill, NY.
3. Smith, B.D., “Design of Equilibrium stage Processes”, McGraw-Hill, NY.
References Books:
1. McCabe, W.L., Smith, J.C. and Harriot, P., “Unit Operation of Chemical Engineering”, 6th
ed, McGraw-Hill, NY.
2. Coulson, J.M. and Richardson, J.F., “Chemical Engineering”, Vol. I and II, Asian Books
Pvt., New Delhi.
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