Fuels and Combustion
Lignite is

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

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Fuels and Combustion
Low temperature carbonisation

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

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