Fuels and Combustion
Anthracite can be used for

Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke
Making carbon electrodes
Recarbonising steel
All of these

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Fuels and Combustion
Washing of coal

Reduces its sulphur and ash content
Improves its coking properties
Controls its ash fusibility and increases its calorific value
All of these

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Fuels and Combustion
With increase in the temperature of carbonisation of coal

Methane content in the coke oven gas decreases and carbon monoxide content increases
All of these
Hydrogen content of coke oven gas increases due to cracking of hydrocarbons
Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content

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