PC3352 Mechanical Operations Syllabus:
PC3352 Mechanical Operations Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
To impact knowledge in the field of particle size reduction and also construction and working of equipment’s used for mechanical operations.
UNIT I PARTICLE CHARACTERIZATION AND MEASUREMENT
General characteristics of solids, different techniques of size analysis- Static – Image analysis and Dynamic analysis – Light scattering techniques, shape factor, surface area determination, estimation of article size. Advanced particle size analysis techniques. Screening methods and equipment, screen efficiency, ideal and actual screens.
UNIT II PARTICLE SIZE REDUCTION AND SIZE ENLARGEMENT
Laws of size reduction, energy relationships in size reduction, methods of size reduction, classification of equipments, crushers, grinders, disintegrators for coarse, intermediate and fine grinding, power requirement, work index; Advanced size reduction techniques – Nano particle fabrication – Top-down approach – Bottom-up approach. Size enlargement – Importance of size enlargement, principle of granulation, briquetting, palletization, and flocculation. Fundamentals of particle generation.
UNIT III PARTICLE SEPARATION (GAS-SOLID AND LIQUID-SOLID SYSTEM)
Gravity settling, sedimentation, thickening, elutriation, double cone classifier, rake classifier, bowl classifier. Centrifugal separation – continuous centrifuges, super centrifuges, design of basket centrifuges; industrial dust removing equipment, cyclones and hydro cyclones, electrostatic and magnetic separators, heavy media separations, floatation, jigging
UNIT IV FILTRATION AND FILTRATION EQUIPMENTS
Theory of filtration, Batch and continuous filters, Flow through filter cake and filter media, compressible and incompressible filter cakes, filtration equipments – selection, operation and design of filters and optimum cycle of operation, filter aids.
UNIT V MIXING AND PARTICLE HANDLING
Mixing and agitation – Mixing of liquids (with or without solids), mixing of powders, selection of suitable mixers, power requirement for mixing. Storage and conveying of solids – Bunkers, silos, bins and hoppers, transportation of solids in bulk, Powder hazards, conveyer selection, different types of conveyers and their performance characteristics.
TOTAL: 45 PERIODS
COURSE OUTCOME:
On completion of the course, the students will be able to
CO1: Understand and determine various properties of particulates
CO2: Gain Preliminary understanding on Size Reduction and Size Enlargement
CO3: Understand various separation and purification techniques employed in solid particles
CO4: Enhance their knowledge on Filtration Process
CO5: Understand Handling, Storage and Transportation of Solids and Obtain knowledge on various unit operations and their applications
TEXT BOOKS:
1. McCabe, W.L., Smith, J.C., and Harriot, P., “Unit Operations in Chemical Engineering”, 7th Edn., McGraw-Hill, 2005.
2. Badger W.L. and Banchero J.T., “Introduction to Chemical Engineering”, Tata McGraw Hill, 1997.
3. Foust, A. S., Wenzel, L.A., Clump, C.W., Naus, L., and Anderson, L.B., “Principles of Unit Operations”, 2nd Edn., John Wiley & Sons, 1994.
4. Hiroaki Masuda , KoHigashitani and Hideto Yoshida, Powder Technology Handbook, 3rd Edition.
REFERENCES:
1. Coulson, J.M. and Richardson, J.F., “Chemical Engineering” Vol. II, 4th Edn., Asian Books Pvt. Ltd., India, 1998.
2. Christie J. Geankoplis, Transport processes and unit operations.
3. Sunggyu Lee, Kimberly H. Henthorn, Particle Technology and Applications.
4. Martin Rhodes, Introduction to Particle Technology, Second Edition.