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What (who) is lignite - definition

SOFT BROWN COMBUSTIBLE SEDIMENTARY ROCK

Brown coal; Lignite coal; Xyloid lignite; Xyloid coal; Compact lignite; Perfect lignite; Uses of lignite; Lignites

Lignite

·noun Mineral coal retaining the texture of the wood from which it was formed, and burning with an empyreumatic odor. It is of more recent origin than the anthracite and bituminous coal of the proper coal series. Called also brown coal, wood coal.

lignite

['l?gn??t]

¦ noun soft brownish coal, intermediate between bituminous coal and peat.

Derivatives

lignitic adjective

Origin

C19: coined in Fr. from L. lignum 'wood' + -ite¹.

lignite

n.

(Min.) Fossil-wood.

Wikipedia

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. When removed from the ground, it contains a very high amount of moisture which partially explains its low carbon content. Lignite is mined all around the world and is used almost exclusively as a fuel for steam-electric power generation.

The combustion for lignite produces less heat for the amount of carbon dioxide and sulfur released than other ranks of coal. As a result lignite is the most harmful coal to human health. Depending on the source, various toxic heavy metals, including naturally occurring radioactive materials may be present in lignite which are left over in the coal fly ash produced from its combustion, further increasing health risks.

https://en.wikipedia.org/wiki/Lignite

Examples of use of lignite

1. The ship, which usually carries lignite, was empty yesterday.

2. Lignite power Environmental group WWF Hellas has teamed up with seven municipalities to combat the possible creation of lignite–fired power stations around the country.

3. On the downside, the government insists on further development of the country’s lignite resources, even though the process of getting electricity from lignite is a highly polluting one.

4. Kosovo has Europe‘s largest deposits of lignite coal.

5. They were on top of the lignite–coke, which half–filled the space.