4. COAL CLEANING EQUIPMENTS
1. Removal of dirt – Primary screen to size less than 8cm
2. Coal drying - Moisture Less than 10%,heatby steam
3. Coal sizing – Uniformity of coal size is essential
4. Sulphur removal – More than 2.5% sulphur is restricted due
to fouling and corrosion
5. Washing
(i) Water Jigs
(ii) Concentrating table
(iii) hydro cyclone
(iv) Heavy medium