Coke
| Also Known As | Metallurgical coke, petcoke (petroleum coke), coal coke, char |
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What is Coke?
Coke is a solid carbonaceous material produced by the destructive distillation (coking) of coal in the absence of air. It consists mainly of carbon with small amounts of hydrogen, nitrogen, and sulfur. Coke is used as a reducing agent and fuel in the blast furnace production of iron, and in the manufacture of electrodes and other carbon products.
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Coke is a solid carbonaceous material produced by the destructive distillation (coking) of coal in the absence of air. It consists mainly of carbon with small amounts of hydrogen, nitrogen, and sulfur. Coke is used as a reducing agent and fuel in the blast furnace production of iron, and in the manufacture of electrodes and other carbon products.
Metallurgical coke is essential in blast furnace iron and steel production, where it acts as both a fuel and a reducing agent (C + O₂ → CO₂; CO₂ + C → 2CO; Fe₂O₃ + 3CO → 2Fe + 3CO₂). Petroleum coke is used as a fuel and in electrode manufacture for aluminium smelting.
Coke dust is combustible and a respiratory hazard (pneumoconiosis risk with prolonged exposure). Polycyclic aromatic hydrocarbons (PAHs) present in coke are carcinogenic. Workers in coke ovens have elevated cancer risks; engineering controls and respiratory protection are mandatory.