EL3491 Syllabus - Mass Transfer - 2021 Regulation Anna University
EL3491 Syllabus - Mass Transfer - 2021 Regulation Anna University
EL3491 |
MASS TRANSFER |
LTPC |
|---|
3003
UNIT I |
MOLECULAR DIFFUSION |
9 |
|---|
Introduction to mass transfer operations; Molecular diffusion in gases,
liquids and solids; diffusivity measurement and prediction;
multi-component diffusion.
UNIT II |
CONVECTIVE TRANSFER AND INTERPHASE MASS TRANSFER | 9 |
|---|
Eddy diffusion, concept of mass transfer coefficients, theories of mass
transfer, different transport analogies, application of correlations for
mass transfer coefficients, inter phase mass transfer, relationship
between individual and overall mass transfer coefficients.
UNIT III |
ABSORPTION |
9 |
|---|
Gas Absorption and Stripping – Equilibrium; material balance; limiting
gas-liquid ratio; tray tower absorber - calculation of number of
theoretical stages, tray efficiency, tower diameter; determination of
height of packing using HTU and NTU calculations.
UNIT IV |
DISTILLATION |
9 |
|---|
Vapour liquid equilibria - Raoult’s law, Principle of distillation - flash
distillation, differential distillation, steam distillation, multistage
continuous rectification, Number of ideal stages by Mc.Cabe - Thiele
method, Total reflux, minimum reflux ratio, optimum reflux ratio.
UNIT V |
LEACHING & EXTRACTION |
9 |
|---|
Liquid - liquid extraction - solvent characteristics-equilibrium stage
wise contact calculations for single stage extraction, multi-stage cross
current extraction, multi-stage counter current operation. Solidliquid
equilibria- equilibrium diagram for leaching, single stage leaching, multi
stage continuous cross 62 current and counter current leaching, stage
calculations, stage efficiency.
TOTAL: 45 PERIODS
COURSE OUTCOMES: On completion of the course students are expected
to
CO1: Understand the fundamentals, types and mechanism of mass transfer
operations.
CO2: Understand the theories of mass transfer and the concept of inter-phase mass transfer.
CO2: Understand the theories of mass transfer and the concept of inter-phase mass transfer.
TEXT BOOKS:
1. K Asokan, Mass Transfer concepts, University Press 2. Robert Ewald
Treybal, “Mass Transfer Operations” McGraw Hill Education India
REFERENCES:
1. D.Q. Kern, “Process Heat Transfer”, Eighteenth Reprint, McGraw Hill,
New York, 2008.
2. J.M.Coulson and J.F. Richardson with J.R.Backhurst and J.H.Harker, “Coulson and Richardson’s chemical Engineering”, Vol.1, “Fluid Flow, Heat Transfer and Mass Transfer”, Butterworth Heinmann, 6th Edition, 2000.
2. J.M.Coulson and J.F. Richardson with J.R.Backhurst and J.H.Harker, “Coulson and Richardson’s chemical Engineering”, Vol.1, “Fluid Flow, Heat Transfer and Mass Transfer”, Butterworth Heinmann, 6th Edition, 2000.
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