Lignite coal

lignite A soft, brownish-black form of coal having more carbon than peat but less carbon than bituminous coal. Lignite is easy to mine but does not burn as well as other forms of coal. It is a greater polluter than bituminous coal because it has a higher sculpture content.Lignite coal can be used as fuel with low caloric value, and also as raw material for gasification and low-temperature dry distillation. Besides, it can be used to make Montana wax, holmic acid, sulphonating coal and activated charcoal.