Course Details
Subject {L-T-P / C} : CH3215 : Processing and Handling of Materials { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Akhilesh Kumar Sahu
Syllabus
Characteristics of a single particle: Size, shape, surface area, volume, Properties of solids. Characteristics of a collection of particles: Particle Size Distribution: Specific surface of mixture, average particle size, Number of particles, Screen analysis: Effectiveness of screen, Industrial screening equipment’s, Size reduction: Factors affecting communication, Laws of communication, Industrial equipment’s Particle Dynamics: Single Particle: Settling velocity, Effect of shape, Wall effect, Mixture of Particles: hindered settling Separation of particles: Solid-solid separation: Classification, Jigging, Magnetic and Electrostatic separations, Liquid-solid separation: Sedimentation, Filtration, Hydro-Cyclones, Gas-solid separation: Flotation Mixing and Agitation: Phenomena of mixing and agitation, Circulation, velocities and power consumption in agitated vessels, Solid-liquid mixing, solid-solid mixing Particle transport and storage: Storage of solids: Hopper, Bins & Silos, Mechanical conveyers, Gas-solid: Pneumatic transport in horizontal and vertical pipelines, Liquid-solid: Hydraulic transport Beneficiation circuits of Minerals: Chalcopyrite’s, Sphalerites, Galena and Bauxite.
Course Objectives
- To cover almost all mechanical operations involved in industries and enables the students to understand the basic techniques in handling of materials such as screening, classification, sedimentation, filtration, coagulation, centrifugation etc.
- To educate the students to effectively utilize the knowledge gained to provide an economical method to process industries.
Course Outcomes
1) It helps to Design a mixed tank, calculate its power requirements and scale-up the design <br />2) It provides the basic methods of characterization of particles and bulk solids <br />3) It describes the operation of filter processes and types of filters used. <br />4) Understand how to crush and grind a solid material and separate ground material into <br />Various sizes.
Essential Reading
- C.M. Narayanan & B.C. Bhattacharyya, Mechanical Operation for Chemical Engineers (Incorporation Computer Aided Analysis),, Khanna Publisher , Third Edition, 2005
- W I McCabe, J C Smith, P. Harriot, ,, Unit Operations of Chemical Engineering,, McGraw- Hill publication , 2005
Supplementary Reading
- M. C. Fuerstenauand, K. N. Han,, Principles of Mineral Processing, John Wiley , 2003
- J. F. Richardson, J. H. Harker & J. Backhurst,, Chemical Engineering (Volume 2), Butterworth-Heinemann , 1st edn, 2002.