Coke
material · 1709 · Early modern era
Baked coal; Darby used it to smelt iron.
Principles and materials it uses
- Coal — is made of. Coke is baked coal.
- Carbon — is made of. Coke is almost pure carbon: everything else is baked out of the coal.
Where it is used
- Iron — is used in. Smelting iron with coke (Darby) ended the dependence on charcoal.
- Blast furnace — is used in. The fuel and reducing agent is coke (formerly charcoal).
- Steel works — is used in. The steel works’ blast furnaces run on coke.