Fuels and Combustion
Lignite is

Can be used for gasification and steam generation
A high rank coal
A coking coal
A black banded coal which burns with a non-smoky yellowish flame

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Fuels and Combustion
Bright coal

Contains more than 90% durain
Contains more than 90% fussain
Contains mainly vitrain & clarain and is generally coking
Is non-coking

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