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How does lignite differ from anthracite?

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Anonymous Posted

How does lignite differ from anthracite?

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David Kiehl

Anthacite is a hard, shiny form of coal that has been subjected to higher pressures and temperatures than other coals like bituminous and lignite.  It has the highest carbon content, generally over 92%.  The highest quality (highest carbon content) is used for manufacturing steel.

Lignite is also know as brown coal.  It has the lowest carbon content, usually between 25-35%.  It tends to have a high water content as well, ranging up to 66%.  It comes from naturally compressed peat.

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Eleni Pissa

The chemical compound of lignite is MgCO3 and for anchracite is C5H216O.

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