|
Course
Code :: CH3003 |
(L-T-P) :: 2+4+0 |
Credits
:: 4 |
Introduction
to unit operations and
their role in Chemical Engineering industries; Properties,
handling and mixing
of particulate solids: Characterization of solid particles,
properties of
particulate masses, storage and mixing of solids, types of
mixers, mixers for
cohesive solids, mixers for free flowing solids.
Transportation
of solid particulate
mass, belt, screw, apron conveyers, bucket elevators, pneumatic
conveying.
Size
reduction
-Principles of comminution,
computer simulation of milling operations, size reduction
equipment-crushers,
grinders, ultra fine grinders, cutting machines, Equipment
operation. Laws of
crushing: Kick’s law, Bond’s law, Rittinger’s law Screening;
industrial
screening equipments, capacity and effectiveness of screens;
differential &
cumulative analysis.
Filtration,
cake filters, centrifugal
filters, cyclone separators, electro-static precipitators.
Principles
of cake filtration.
Clarifying filters, liquid clarification, gas cleaning,
principles of
clarification.
Cross flow filtration,
types of membranes, permeate flux for ultra-filtration,
Concentration
polarization, particle rejection of solutes, micro filtration .
Separations
based on motion of particles through fluids, gravity settling
processes and
centrifugal settling processes, float and sink method,
differential settling,
coagulation, Flotation-separation of ores, flotation agents
Agitation
and mixing of liquids: Agitation of liquids, circulation
velocities, power
consumption in agitated vessels. Blending and mixing of liquids,
suspension of
solid particles, dispersion operations
Crystallization:
crystal geometry, principles of crystallization equilibria and
yields,
nucleation, crystal growth, ∆L law, crystallization equipment
including MSMPR
crystallizers.
TEXT BOOK:
1.
Unit Operations
in Chemical Engineering by W.L. McCabe and J.C. Smith and Peter
Harriott, Mc
Graw Hill 7th ed.
2001.
REFERENCES:
1.
Chemical
engineers hand book, J.H. Perry, 7th ed. Mc Graw Hill
2.
Introduction to
Chemical Engineering by J.T.Banchero & W.L. Badger.,
TMH, 1997.