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Definition: Brown coal - Lignite


A non-agglomerating coal with a gross calorific value of less than 23 860 kJ/kg (5 700 kcal/kg) in a condition free of wet ash and containing more than 31 per cent volatile matter on a dry mineral free basis.

This definition is identical in the third and fourth version of the Transport Glossary. Eurostat, ECMT, UN/ECE, "Glossary for Transport Statistics", 3rd Edition, Luxembourg 2003
International Transport Forum, Eurostat, United Nations Economic Commission for Europe (UNECE), "Illustrated Glossary for Transport Statistics", 4th Edition, Luxembourg 2009