TYPES OF COAL AND PRODUCT PROFILE

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TYPES OF COAL
COKING COAL
•These coal, when heated in the absence of air, form coherent beads, free from volatiles, with strong & porous mass, called coke.
•These have coking properties.
•Mainly used in steel making & metallurgical industries.
•Also used for hard coke manufacturing.
NON-COKING COAL
•These are coal without coking properties.
•Mainly used as thermal grade coal for power generation.
•Also used for cement, fertilizer, glass, ceramic, paper, chemical & brick manufacturing.
•It is also used for other heating purposes.
Categorisation of Coal as per size
•Unscreened coal of all sizes. R.O.M. Coal
•0 to 50 mm                                Slack Coal
•25 to 50 mm                              Rubble Coal
• 50 to 200 mm & above           Steam Coal

                  Product Profile 
Source https://www.coalindia.in/DesktopModules/DocumentList/documents/Sustainability_Report_2017-18_10082018.pdf

Coking Coal Uses: Steel and Metallurgical Industries 
Semi Coking Coal Uses: As blendable coal in steel making, Merchant coke manufacturing & other metallurgical industries 
Non-linked washery coking coal Uses: Power & Non-metallurgical sector 
Non-coking coal Uses: Thermal grade coal for Power utilities, Fertilizer, Glass, Ceramic, Paper, Chemical & Brick manufacturing & other heating purposes 
Washed & beneficiated coal Uses: Manufacturing of hard coke for steel making and power generation
 Middlings (By-product of three stage coal washing) Uses- Power generation, Brick Manufacturing and Cement plants 
Washery By-Product Uses: In Fluidized Bed Combustion (FBC) boilers for Power generation, Road repairs, domestic fuel etc 
CIL coke (By-product of DCC) Uses: In furnaces, kilns of Industrial units and for domestic fuel in Hotels 
 Coal fines/Coke fines Uses: Industrial furnaces and domestic purposes 
 Tar/ Heavy Oil /Light oil /Soft Pitch Uses: Furnaces, Boilers of industrial plant, Power houses, Oil, Dye, Pharmaceutical industries etc






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