Question

2.Low quality coal is used for______. ​

Answer 1

Peat is considered the lowest rank of coal due to its relatively low heat content. It has a carbon content around 25 to 35 percent. It is mined all around the world and is used almost exclusively as a fuel for steam-electric power generation.

Answer 2

Lignite coal, aka brown coal, is the lowest grade coal with the least concentration of carbon. Lignite has a low heating value and a high moisture content and is mainly used in electricity generation