the residue left behind is called coke, which is simply coal charcoal, and is nearly pure carbon. In the distillation of coal, about one-third of its weight is driven off in the form of vapor and ...

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An innovative approach to steel making could eliminate use of coke and resultant carbon emissions forever. The technology now ...

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Step 1 – Hot air (oxygen) reacts with the coke (carbon) to produce carbon dioxide and heat energy to heat up the furnace. C(s) + O 2 (g) → CO 2 (g) Step 2 – More coke is added to the furnace ...