Mass Transfer Operations 1 Semester 5 (TE Third Year) BE Chemical Engineering University of Mumbai Topics and Syllabus

CBCGS [2018 - current]

CBGS [2014 - 2017]

Old [2000 - 2013]

University of Mumbai Semester 5 (TE Third Year) Mass Transfer Operations 1 Revised Syllabus

University of Mumbai Semester 5 (TE Third Year) Mass Transfer Operations 1 and their Unit wise marks distribution

#	Unit/Topic	Marks
100	Molecular Diffusion in Gases and Liquid	-
200	Mass Transfer Coefficients	-
300	Equipments for Gas-liquid Contacting	-
400	Gas Absorption	-
500	Drying	-
600	Humidification and Dehumidification	-
	Total	-

100 Molecular Diffusion in Gases and Liquid

Basics of Molecular Diffusion, Fick’s First Law of Molecular Diffusion, Various fluxes and relations between them, Molecular Diffusion in binary gas mixtures – Steady state diffusion of one component in non-diffusing second component, Equimolal counter diffusion of two components.
Molecular Diffusion in binary liquid solutions – Steady state diffusion of one component in non-diffusing second component, Steady State Equimolal counter diffusion of two components.
Diffusivity of gases.
Theoretical and experimental determination of diffusivities, Diffusivities of liquids – Theoretical Determination.
Diffusion in Solids:- Ficks law of diffusion in solids, Types of Solid Diffusion, Diffusion through Polymers, Diffusion through Crystalline Solids, Diffusion in Porous Solids

200 Mass Transfer Coefficients

Definition of Mass Transfer Coefficient, F-Type and K-Type Mass Transfer Coefficients and relations between them, Mass Transfer Coefficients in Laminar and Turbulent Flow.
Heat, Mass and Momentum Transfer Analogies and dimensionless numbers, Interphase Mass Transfer – Individual and Overall Mass Transfer Coefficients and relation between them.
Methods of contacting two insoluble phases – Continuous Contact, Stage-wise Contact.

300 Equipments for Gas-liquid Contacting

Classification of equipments for gas-liquid contacting
Gas dispersed and liquid continuous phase – Sparged Vessels (Bubble Columns), Mechanically Agitated Vessels, Tray Towers.
Liquid dispersed phase and gas continuous phase – Venturi Scrubbers, Wetted Wall Towers, Spray Towers and Spray Chambers, Packed Towers.
Comparison of Packed Towers with Tray Towers

400 Gas Absorption

Solubility of gases in liquids, Effect of temperature and pressure on solubility, Ideal and Non-ideal solutions, Choice of solvent for gas absorption
Single component gas absorption – Cross Current, Co-current, Countercurrent, Multistage Counter current Operation.
Absorption with Chemical Reactions.

500 Drying

Introduction to drying, Equilibrium, Different types of moisture contents, Rate of Drying and drying curve, Batch Drying and calculation of time of drying, Continuous

600 Humidification and Dehumidification

Introduction, Vapour Pressure Curve, Properties of Vapour-Gas mixtures [Understanding various terms]
Theory of wet bulb temperature, Adiabatic Saturation Curves, Humidity Charts
Adiabatic operation:- (Air water systems) water coolers, cooling towers