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SRI VENKA TESWARA COLLEGE OF ENGINEERING

COURSE DELIVERY PLAN - THEORY Page I of7

LP: CH6505Department of Chemical Engineering

Rev. No: 01

M/B.Tech/M.E/M.Tech: Chemical Engineering

PG Specialisation : NA

Sub. Code / Sub. Name : CH 6505 - Mass Transfer I

Regulation:2013 Date: 24.06.2016

Unit : I

Unit Syllabus: Introduction to mass transfer operations; Molecular diffusion in gases,

liquids and solids; diffusivity measurement and prediction; multi-component

diffusion.

Objective: To understand the concept of diffusion through fluids and solids

_._-- - .---Session

Topics to be covered RefTeaching

No * Aids.-

1Introduction to mass transfer operations- About diffusion, Mass Tl-Ch.1;

PPTtransfer coefficient humidification drying and crystallization pg.1-7

-

2Molecular diffusion in gases - Fick's law, diffusion of A through Tl-Ch.2; PPTnon-diffusing B equirnolar counter diffusion pg.21-34

3Diffusion in liquids - diffusion of A through non-diffusing B, Tl-Ch.2; PPTequimolar counter diffusion pg.34 - 41

4Diffusion in solids - diffusion in special type of solids - Knudsen T2-Ch.6; PPTdiffusion pg.440-446

5 Problems on diffusion of liquids, gases and solidsT2-Ch.6; PPT

pg.452-457--

6Diffusivity measurement and prediction - experimental R3-Ch.3; PPTdetermination of gas phase diffusivitv - Stefan tube method twin pg.72-82

-- -------

7 Problems on diffusivity measurementsT2-Ch.6; PPT

pg.452-457

8multi-component diffusion - diffusion of A through non diffusing T2-Ch.7; PPTB&C Stefan Maxwell method pg.498-499

-

9 Review of Unit IPPT

-

.-Content beyond syllabus covered (if any): molecular diffusion in biological solutions and gels

---- ---- -

* Session duration: 50 minutes

Unit: II

FT/GN/68/01/23.0 1.16SRI VENKA TESWARA COLLEGE OF ENGINEERING

COURSE DELIVERY PLAN - THEORY Page 2 of7

Sub. Code / Sub. Name: CH 6505 - Mass Transfer I

Unit Syllabus: 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. NTU and NTP concepts, Stage-wise and differential

contractors.

Objective: To understand the concept of different Mass transfer coefficient and its

application

SessionTopics to be covered Ref

TeachingNo * Aids

10 Eddy diffusion - Introduction, rate equationsTl-Ch.3;

PPTpg.S4-S9

11Concept of mass tra nsfer coefficients - types of mass transfer Tl-Ch.3; PPTcoefficient (MTC) MTC in laminar flow pg.47-S0

12Theories of mass transfer - film theory, penetration theory, surface Tl-Ch.3; PPTrenewal theory pg.S9-64

13 Different transport analogies - Reynold's analogy, Chilton colburn Tl-Ch.3; PPTanalogy, Prandtl analogy, Von Karman analogy pg.66-70

14Application of correlations for mass transfer coefficients - T2-Ch.7; PPTapplication in packed towers fluidized bed pg.473-474

15Inter phase mass transfer - mass transfer between gas and liquids Tl-Ch.S; PPTsurface pg.l04-108

16Relationship between individual and overall mass transfer Tl-Ch.S; PPTcoefficients pg.l09-111

17 Problems on MTCT2-Ch.7; PPT

pg.S17-S23

18 NTU and NTP concepts - concepts & calculation on NTU and NTPT2-Ch.l0; PPT

pg.676-678

19 Stage-wise and differential contractors - design of contactorsTl-Ch.S; PPT

pg.123-133

20 Review of Unit IIPPT

-

Content beyond syllabus covered (if any): Industrial case study

* Session duration: 50 mins

FT/GN/68/0 1/23.0 1.16SRI VENKA TESWARA COLLEGE OF ENGINEERING

COURSE DELIVERY PLAN - THEORY Page 3 of7

Sub. Code / Sub. Name: CH 6505 - Mass Transfer I

Unit: III

Unit Syllabus: Humidification - Equilibrium, humidity chart, adiabatic and wet bulb

temperatures; humidification operations; theory and design of cooling towers,

dehumidifiers and humidifiers using enthalpy transfer unit concept.

Objective: To understand the concept of humidification and usage of psychometric

chart and design of cooling tower

SessionTopics to be covered Ref

TeachingNo * Aids

21 Humidification - Equilibrium - vapour -liquid equilibria, enthalpy Tl-Ch.7;PPT

for pure substances pg.220-226

22 Humidity chart - properties of humidificationTl-Ch.7; PPT

pg.228-234

23 Problems using psychometric chart for finding properties of air- Tl-Ch.7; PPTwater system pg.272-274

24 Adiabatic and wet bulb temperatures- adiabatic saturation curve Tl-Ch.7; PPTand theory of wet bulb thermometry pg.236-241

25 Humidification operations - adiabatic and non-adiabatic operationsTl-Ch.7; PPT

pg.242-252

26 Theory and design of cooling towers - calculation of NTU and Tl-Ch.7; PPTheight of cooling tower re-circulation system types of cooling pg.259-267

27 Dehumidifiers and humidifiers using enthalpy transfer unit Tl-Ch.7; PPTconcept. - dehumidification of air- water vapour re circulating pg.252-259

.-

28 Problems on cooling towerTl-Ch.7; PPT

pg.272-274

29 Review of Unit IIIPPT

-

Content beyond syllabus covered (if any): New techniques adopted in industries for humidification anddehumidification operations

* Session duration: 50 mins

FT/GN/68/0 1/23.0 1.16SRI VENKATESWARA COLLEGE OF ENGINEERING

COURSE DELIVERY PLAN - THEORY Page 4 of7

Sub. Code / Sub. Name: CH 6505 - Mass Transfer I

Unit: IV

Unit Syllabus: Drying- Equilibrium; classification of dryers; batch drying - Mechanism

and time of cross through circulation drying, continuous dryers - material and

energy balance; determination of length of rotary dryer using rate concept.

Objective: To understand the concept of drying and different types of industrialdriers

Session Topics to be covered RefTeaching

No * Aids

30 Drying- Equilibrium - Basic definitions in dryingTl-Ch.12;

PPTpg.6SS-662

31 Classification of dryers - batch and continuous dryersR3-Ch.18; PPT

pg.696-708

32Batch drying - total time of drying (constant rate and falling rate Tl-Ch.12; PPTperiod) pg.667-672

--

33 Parameters affecting drying rateTl-Ch.12; PPT

pg.67S-676

34 Mechanism and time of cross through circulation dryingTl-Ch.12; PPT

pg.688-689

35Continuous dryers - Material and energy balance - at high and low R3-Ch.18; PPTtemperature pg.734-73S

36 Problems on continuous dryingTl-Ch.12; PPT

pg.713-716- -

37Determination of length of rotary dryer using rate concept. Tl-Ch.12; PPT

pg.689-693

38 Problems on rotary drierR3-Ch.18; PPT

pg.739-739

39 Review of Unit IV -

Content beyond syllabus covered (if any): Modern drying techniques like di electric, infrared and freezedrying

* Session duration: 50 mins

Fr/O /68/01/23.01.16SRI VENKATESWARA COLLEGE OF ENGINEERING

COURSE DELIVERY PLAN - THEORY Page50f7

,Unit: V

Sub. Code / Sub. Name: CH 6505 - Mass Transfer I

Unit Syllabus: Crystallization - Equilibrium, classification of crystallizers, mass and

energy balance; kinetics of crystallization - nucleation and growth; design of batch

crystallizers; population balance model and design of continuous crystallizers

Objective: To understand the concept of crystallization and its industrial significance

SessionTopics to be covered Ref

TeachingNo * Aids

40 Crystallization - Equilibrium - crystal geometry and its principleRl-Ch.9;

PPTpg.882-892

Classification of crystallizers - batch and continuous crystallizersRl-Ch.9; PPT

41 pg.902-909

42 Mass and energy balanceRl-Ch.9; PPT

pg.887-892

43kinetics of crystallization - nucleation and growth - ~L of Crystal Rl-Ch.9; PPTgrowth pg.892-899

Design of batch crystallizersRl-Ch.9; PPT

44 pg.909-919 -

45 Problems on batch crystallizationRl-Ch.9; PPT

pg.921-923

46Population balance model and design of continuous crystallizers Rl-Ch.9; PPT

pg.910-912

Problems on population balance modelRl-Ch.9; PPT

47 pg.921-923

48 Review of Unit VPPT

-

Content beyond syllabus covered (if any): students were taught with new techniques applied inindustries for crystallization

--

* Session duration: 50 mins

FT/GN/68/0 1/23.0 1.16SRI VENKATESWARA COLLEGE OF ENGINEERING

COURSE DELIVERY PLAN - THEORY Page 6 of7

Sub Code / Sub Name: CH 6505 - Mass Transfer 1

TEXT BOOKS:1. Treybal, R.E., "Mass Transfer Operations", 3rd Edn, McGraw-Hili, 1981.2. Geankoplis, c.J., "Transport Processes and Unit Operations", ·4th Edition, Prentice

Hallinc., New Jersey, 2003.

REFERENCES:1. McCabe, W.L., Smith, J.c., and Harriot, P., "Unit Operations in Chemical

Engineering", 7th Edn., MCGraw-Hill,2005.2. Coulson, J.M. and Richardson, J.F., "Chemical Engineering" Vol. I and II, 4th

Edition,Asian Books Pvt. Ltd., India, 1998.3. J.D. Seader and E.J. Henley, "Separation Process Principles", 2nd Ed., John Wiley,

2006.4. Binay K.Dutta,"Principles of Mass Transfer and Seperation Processes",PHI Learning

Ltd,2013.

Remarks *:

* If the same lesson plan is followed in the subsequent semester/year it should bementioned and signed by the Faculty and the HOD

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