Syllabus - Fluid Particle Mechanics (CM-402)

Chemical Engineering

Fluid Particle Mechanics (CM-402)

IV-Semester

Unit-I

Particulate Solid

Properties of particulate solids, evaluation of size & shape, shape factor, surface and population of particles, standard screens and screen analysis of solids, screen efficiency, standard screen series.

Unit-II

Size Reduction

Principles of communication, size reduction; crushing, grinding, pulverizing and ultra fining size reduction equipments, introduction to nano particles, power requirement in comminution.

Unit-III

Mixing and Separation

Mixing of solids, mixing equipment’s, design & power requirement of mixers, mixer effectiveness and mixing index. Principles of separation techniques for system involving solids, liquids & gases, classification, sedimentation and filtration, separation equipments, colloidal particles, flocculation and stabilization.

Unit-IV

Transportation and Handling

Selection of conveying devices for solids: Belt, Chain, Screw – conveyors, Elevators and pneumatic conveying devices; elementary design aspects of the devices. visit to chemical engineering, industry engaged mainly with mechanical operation.

Unit-V

Fluidization

Particulate & aggregative fluidization, characteristic of fluidized bed due to particle size, size distribution, shape and density, pressure drop through a fluidized bed and packed bed, character of dense phase fluidization as revealed by pressure drop fluctuations, up flow and down flow fluidization, fluid catalytic process, bed drying, mass transfer in fluidized beds.

Course Objective

The objective of this course is to understand basic principles of various mechanical operations, construction and working of the equipments.

Course Outcome

["Ability to evaluate size, surface and population of particles, & screen analysis of solids.", "Ability to understand principle of size reduction, crushing, grinding, pulverizing and ultra fining.", "Ability to design mixing equipment and calculate power requirements.", "Ability to understand principle of separation techniques for system involving solids, liquids and gases, sedimentation and filtration.", "Ability to understand particulate and aggregative fluidization, pressure drop through fluidized bed."]

Practicals

To analyses the given sample by differential, cumulative methods using standard screen.
Determination of size & surface area of irregular particles using a measuring gauge.
To study crushing behavior & to determine the Rittinger’s & Bond’s constant of the given solid in a jaw crusher.
To determine the efficiency of a ball mill for grinding a material of known.
To determine the power consumption of the hammer mill.
To determine the specific cake resistance for the given slurry by leaf filter.
To determine the efficiency of a given cyclone separator.
To determine the efficiency of fluidized characteristic bed.
To study the Dorr type of thickener.
To study the plate & frame filter press.

Reference Books

Perry RH & Don WG; Perry’s Chemical Engineering Hand Book; Mc Graw Hill.
Nevers De; Fluid Mechanics for Chemical Engineers; TMH
Banchero Badker; Introduction to chemical engg; TMH
McCabe S, Harriot ; Unit Operations of Chemical Engg; TMH
Narayan CM, Bhattacharya BC; Mechanical operations for chemical eng.; PHI
Swain A.K., Hemlata Patra, G.K. Roy , Mechanical operation; TMH