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Mechanical Operations

Mechanical Operations. Instructor: Dr. Shabina Khanam, Department of Chemical Engineering, IIT Roorkee. Around 757f chemical manufacturing processes involve small solid particles at some point. Proper design and handling of these fine particles often makes the difference between success and failure of the product. Many products such as catalysts, pigments, fertilizers, cements, ceramics and pharmaceuticals are currently manufactured in particulate forms. Mechanical Operations deal with Science and Technology of particulate matter, which is a multidisciplinary field including Materials Science, Environmental, Biomedical, Aerospace, Agricultural, Chemistry, Microbiology and Cell Science, Pharmacy and Medicine. The primary objective of this course is to identify the important physical mechanisms occurring in processes involving particles, to discuss unit operation and its role in Chemical industries, characteristics of particulate solids, Principles of size reduction, particle dynamics and separation of particles, and to formulate and solve mathematical descriptions of such processes. (from nptel.ac.in)

Lecture 07 - Effectiveness of Screen


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Lecture 01 - Introduction
Lecture 02 - Characterization of a Single Particle
Lecture 03 - Characterization of a Single Particle (cont.)
Lecture 04 - Characterization of Collection of Particles
Lecture 05 - Characterization of Collection of Particles (cont.)
Lecture 06 - Fine Grain Size Distribution
Lecture 07 - Effectiveness of Screen
Lecture 08 - Effectiveness of Screen (cont.)
Lecture 09 - Industrial Screening Equipment
Lecture 10 - Size Reduction
Lecture 11 - Laws of Comminution
Lecture 12 - Examples of Laws of Comminution
Lecture 13 - Examples of Laws of Comminution (cont.)
Lecture 14 - Size Reduction Equipment
Lecture 15 - Size Reduction Equipment (cont.)
Lecture 16 - Particle Dynamics
Lecture 17 - Particle Dynamics (cont.)
Lecture 18 - Particle Dynamic Examples
Lecture 19 - Classification and Jigging
Lecture 20 - Classification and Jigging (cont.)