Lignite (Brown Coal) Briquettes

It is brownish-black and has a high inherent moisture content, sometimes as high as 45 percent, and very high ash content compared to bituminous coal. The heat content of lignite ranges from 9 to 17 million Btu per short ton (10 to 20 MJ/kg) on a moist, mineral-matter-free basis. The heat content of lignite consumed in the United States averages 13 million Btu/ton (15 MJ/kg), on the as-received basis (i.e., containing both inherent moisture and mineral matter).

Lignite, often referred to as brown coal, is the lowest rank of coal and used almost exclusively as fuel for steam-electric power generation.

Lignite is the lowest rank of coal and used almost exclusively as fuel for steam-electric power generation