Course Details

Subject {L-T-P / C} : CH3215 : Processing and Handling of Materials {3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Susmita Mishra

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

  1. 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.
  2. 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
2) It provides the basic methods of characterization of particles and bulk solids
3) It describes the operation of filter processes and types of filters used.
4) Understand how to crush and grind a solid material and separate ground material into
Various sizes.

Essential Reading

  1. C.M. Narayanan & B.C. Bhattacharyya, Mechanical Operation for Chemical Engineers (Incorporation Computer Aided Analysis),, Khanna Publisher , Third Edition, 2005
  2. W I McCabe, J C Smith, P. Harriot, ,, Unit Operations of Chemical Engineering,, McGraw- Hill publication , 2005

Supplementary Reading

  1. M. C. Fuerstenauand, K. N. Han,, Principles of Mineral Processing, John Wiley , 2003
  2. J. F. Richardson, J. H. Harker & J. Backhurst,, Chemical Engineering (Volume 2), Butterworth-Heinemann , 1st edn, 2002.