Coal
Coal is a combustible carbon-rich sedimentary rock.
About Coal
Coal is a combustible carbon-rich sedimentary rock. Its ranks include lignite, subbituminous, bituminous and anthracite. Thermal coal is used for power and heat, while coking coal supports iron and steel production.
Carbon-rich sedimentary rock
Different coal ranks
Fuel uses
Industrial applications
- Power generation
- Heating
- Metallurgy