31/07/2017 · Different Types of Coal are Peat coal, lignite coal, Sub Bituminous coal, Bituminos coal, Semi-Bituminous coal, Semi Anthracite coal, Anthracite coal and Super Anthracite coal Used in power plants locally It can not be transported woody clay like appearances Heating value is 13800 to 17585 KJ/Kg Sub Bituminous coal