Lignite is often called “brown coal” because it is lighter in color than the higher ranks of coal. It has the lowest carbon content out of all the coal ranks (25%-35%)1 and it has a high moisture content and crumbly texture. It is mainly used in electricity generation. ... Lignite made up 9% of US coal production in 20172.
Is coal a lignite?
Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It has a carbon content around 25–35%, and is considered the lowest rank of coal due to its relatively low heat content.
What is the difference between lignite and anthracite coal?
The following are the differences between anthracite and lignite: 1) Anthracite is the coal of highest grade whereas Lignite is the lowest grade coal. 2) Anthracite is hard, brittle and black in colour whereas Lignite is more like soil and brownish black in colour.
