5CH3-Mass Transfer Operation – I |
Units: I |
Diffusion phenomenon: Molecular and eddy diffusion in gases, liquids and solids, interface
mass transfer Mass transfer theories : Film theory penetration theory and surface renewal
theory.
|
Units: II |
Concept of Mass transfer coefficient: Individual and film coefficients, overall mass
transfer co-efficient and their inter relationships. Continuous contact and differential
contact, mass transfer concepts of NTU and HTU, their inter relationship.
Interphase Mass Transfer : Equilibrium, diffusion between phases, material balances,
stages and concept of operating line and tie line. |
Units: III |
Equipment for gas liquid contact : Sparged vessel, mechanically agitated vessel, tray
towers, venture scrubber, wetted wall towers, spray towers and packed towers, tray tower vs
packed tower.
Absorption : Absorption in continuous contact columns, Co-current, Counter current and
cross current contacting of fluids, calculation of NTU and HTU, concept of HETP.
|
Units: IV |
Adsorption : Adsorption theories, types of adsorbent, activated carbon silica, silica and
molecular sieves, Batch and column adsorption. Break through curves, gas adsorption,
BDST models for adsorption calculation.
|
Units: V |
Drying: Equilibrium mechanism theory of drying, drying rate curve, Batch and continuous
drying, working principle of different types of dryers such as tray driers, Drum dryers, spray
and tunnel dryers.
|
Text/ Reference Books |
1 Treybal, R.E.; “Mass Transfer Operation”, McGraw-Hill, 1980.
2 King, C.J. “Separation Processes”, McGraw – Hill, NY.
3 Smith, B.D., “Design of Equilibrium stage Processes”, McGraw-Hill, NY
4 McCabe, W.L. Smith, J.C. and Harriot, P., “Unit Operations of Chemical
Engineering”, 6th ed, McGraw-Hill, NY.
5 Coulson, J.M. and Richardson, J.F., “Chemical Engineering”, Vol. I and II, Asian
Books Pvt., New Delhi.
|
|