Fuels and Combustion
Combustion of pulverised fuel

All of these
Requires larger combustion chamber than rich gaseous fuel
In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel
Suppresses the discharge of fine dust and grit into atmosphere

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Fuels and Combustion
Fixed carbon in coal is defined as

The one which is present in the residue after combustion
That present in volatile matters
Hundred minus the percentage of volatile matter, ash and moisture
The total quantity of carbon present in the coal

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