ADVANCED COAL PROCESSING

by Dr. Maria E. Holuszko

Course Presenters Schedule General information

Provisional Schedule

Instruction will take place from 9:00AM to 5:00PM each day, with a lunch break from noon to 1:00PM and 15 minute snack breaks in mid-morning and mid-afternoon.
For convenience, this course has been subdivided into nine different sections. The sessions will include verbal presentations and visual illustrations.

Course Topics

1. What is Coal Preparation
2. Coal Preparation Economics
3. Coal Preparation Challenges

1. Origin of Coal
2. Coal Analysis- organic, inorganic, sulfur, proximate analysis
3. Coal Petrology
4. Coal Classification Systems

1. Coal Reserves
2. Coal Markets
3. Thermal coals
4. Metallurgical coals
5. Special coals

1. Metallurgical Coals
2. Thermal Coals

1. Basic Concepts and Terminology
2. Washability Curves (Theoretical)
- Float and Sink Analysis
- Graphical Representation
- Liberation
3. Partition (Separation) Curves

1. Screening and sizing
2. Crushing
3. Gravity concentration
- heavy liquids/suspensions, rheology
- dense media baths and hydrocyclones
- water-only hydrocyclones
- jigs, tables, spirals
4. Froth flotation
- coal surface properties, oxidation
- coal floatability vs coal rank
- reagents in coal flotation
- desulfurization of coal by flotation
- flotation machines, flotation circuits
5. Advanced Cleaning
- oil agglomeration, bacterial desulphurization, fine coal cleaning

1. Basic Coal Dewatering Concepts
2. Mechanical Dewatering
- screens, sieve bends, centrifuges, filtration

3. Clarification
- thickening, flocculation

4. Thermal Drying

1. Factors affecting handleability of fine coal
2. Methods to test Handleability of Coal
3. Pelletization of fines to improve Handleability of Coal