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  Coking: Process Description

 

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Pusher side of a by-product coke oven battery.
Courtesy of "The Making, Shaping, and Treating of Steel", Association of Iron and Steel Engineers.

Equipment
Combustion Technology
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Process Description
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Coal is converted to coke in large coke oven batteries like the one pictured. The coking process consists of heating coal in the absence of air to drive off the volatile compounds; the resulting coke is a hard, but porous carbon material that is used for reducing the iron in the blast furnace. The modern by-product coke oven recovers volatile chemicals in the form of coke oven gas, tars, and oils.

Coke Oven Operation











 

Coke Oven Yield

 

 

The Making, Shaping, and Treating of Steel, 10th Edition, Association of Iron and Steel Engineers, 1985.