JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course objectives: This laboratory course is designed to make the student to understand and demonstrate the process variables in mineral processing techniques employed. The mineral characteristics like size and size distribution etc. also evaluated.

Course outcomes: The student would gain hands on experience on

• Particle size and its distribution in a given material.
• Determination of reduction ration in crushing and grinding machines.
• To have an understanding on magnetic separation of magnetic ores from non magnetic.
• To understand about different ore characteristics and various industrial mineral processing operations for beneficiation. List of experiments:
• 1. Sampling of an ore from the bulk by i) Coning and quartering method ii) Riffle sampler methods
• 2. Sizing of material by Sieve analysis.
• 3. Verification of Stoke's Law.
• 4. Determining the reduction ratio of a jaw crusher.
• 5. To determine the variation of reduction ratio with process variables in Rolls crusher.
• 6. Effect of process variables on reduction ratio and particle size distribution in ball mill.
• 7. To find the grindability index of coal.
• 8. Verification of Laws of Communition.
• 9. Determination of the efficiency of a magnetic separator.
• 10. Determination of the efficiency of a jig.
• 11. Particle separation by fluid flow using Wilfley table.
• 12. Concentration of metallic and non-metallic ores by Froth-Flotation process List of equipment:
• 1. Riffle Sampler, ,2. Sieve Shaker with Sieves 3. Stokes’ Apparatus, 4. Jaw Crusher, 5. Roll Crusher,
• 6. Ball Mill, 7. Grindability Index Apparatus, 8. Magnetic Separator, 9. Jig, 10. Wilfly’s Table, 11. Froth – Floatation Equipment, 12. Balances R18 B.TECH MME