Syllabus - Coal Preparation (MM 504 (A))

Mining and Mineral Processing

Coal Preparation (MM 504 (A))

V-Semester

UNIT 1

Coal characteristics, Necessity, scope and application of coal preparation, washability characteristics of coal, effect of mining methods on size, quality and washability.

UNIT 2

Crushing of coal: various types of coal size reduction process and their significance. Screening of coal: Classification of coal using various screens and their efficiency.

UNIT 3

Coarse coal cleaning: Jigs, heavy media baths and heavy media cyclones. Use of Spirals and tables for coal processing. Performance analysis of different coal cleaning unit operations(Partition curves, misplacement, Meyers curve) and their merits and demerits.

UNIT 4

Fine coal cleaning: Challenges in fine coal cleaning, Froth-Flotation, water-only cyclone, oil – agglomeration, selective flocculation.

UNIT 5

Product disposal and miscellaneous methods: Non-coking coal beneficiation, coal preparation economics, coal preparation flowsheets, modern developments.

Practicals

Reference Books

  • The Principles of Coal Preparation (G. J. Sanders)

  • Mineral Processing Technology (B. A. Wills)

  • Principles of Mineral Dressing (A. M. Gaudin)

  • Coal Preparation (J. W. Leonard)

  • The Coal Handbook: Towards Cleaner Production (D.J. Osborne)

  • Coal preparation, Vol-1 and Vol-2, D. J.Osborne