Steam Boilers, Engines, Nozzles and Turbines
Coke is produced by

Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel
Heating wood in a limited supply of air at temperatures below 300°C
Enriching carbon in the coal
Pulverizing coal in inert atmosphere

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Steam Boilers, Engines, Nozzles and Turbines
Stoichiometric quantity of air is the

Air present in atmosphere at NTP conditions
Air required to convert CO into CO₂
Air required for complete combustion of fuel with no excess air
Air required for optimum combustion so as to have reasonable excess air

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