Fuels and Combustion
Lignite is

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

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Fuels and Combustion
Low temperature carbonisation

Is mainly for producing the smokeless domestic coke
Produces less quantity of tar than high temperature carbonisation
Is meant for the production of 'metallurgical coke'
Produces higher quantity of gas than high temperature carbonisation

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