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Coal Processing Technology -I
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MCT-401: COAL PROCESSING TECHNOLOGY---I Marks Theory -- Practical -- Credit Hours Theory 3, Practical -- 1. Introduction to Coal Processing Technology i. Objectives, scope and economic justification of Coal Processing ii.Benefits of coal cleaning iii.Recent developments in clean coal utilization iv.Local coals and need for their processing v.Overview of coal processing technologies (old and new) vi.Techno-economic significance of coal processing technologies vii.Factors for selection of technology viii. Nature of gangue minerals in coals and methods of coal cleaning with respect to the gangue minerals 2. Sampling i.Statistical sample collection procedures ii. Size of samples (for bench & pilot scale testing) iii. Sample preparation for test work 3. Characterization of Test Samples i. Petrographic study of polished and thin sections for identification of gangue minerals in coal samples using XRD & XRF techniques ii. Geo-chemical evaluation of coal samples iii. Assessment of mesh- of – liberation (release analysis) 4. Study of Inorganic Matter in Coals i. Nature of sediments present in coals, their classification, abundance and sizes ii. Detail of major dirt-constituents in coals (shale, slate, limestone, sandstone, clay stone, etc) iii. Sulphide minerals in coals (pyrite, marcasite, minor sulphides) iv. Physically separable organic matter (wood chips, leaves, spores, gums, resins, etc) 5. Particle Size Studies i. Types of sizing scale (sieve systems operating in the world) ii. Sieving procedure (lab. sizing) iii. Presentation of sieve analysis data in graphical and tabular forms and interpretation of data 6. Magnetic Separation of Coal i. Separation of diamagnetic coal from paramagnetic gangue minerals by using high intensity magnetic fields ii. High intensity magnetic separators (dry for lab. tests) iii. Mag Mill industrial unit, its operation, performance, cost and efficiency 7. Electrostatic separation i. Electrostatic machine, its construction, operation and efficiency ii. Separation of semi conductors (pyrite) from coals |
| Credit hours/ Marks:- 3 |
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