Fuels and Combustion
Removal of hydrogen from coke oven gas

Is not possible on commerical scale
Decreases its calorific value
Increases its calorific value
Does not alter its calorific value

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Fuels and Combustion
A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the

Low calorific value of the fuel
Presence of large quantity of hydrogen in the fuel
Lack of thorough mixing of fuel with air
High sulphur content in the fuel

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