Coke is used in metallurgical process chiefly as
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Coke contains a lot of carbon. In a blast furnace, it serves as a fuel and a reducing agent for smelting iron ore.
Why is coke preferred to coal in the metallurgical process?
- The majority of metallurgical coke is used in the reduction of iron ore to iron in the iron and steel industry's blast furnaces, sinter plants, and foundries. The operation of blast furnaces consumes more than 90% of the entire metallurgical coke production.
- Before being used in blast furnaces, tiny iron ore is sintered using coke breeze (less than 12 millimetres). Any extra breeze coke is used as fuel for commercial boilers.
What are the important uses of coke?
(i) Compared to the coal of the same mass, coke generates greater heat.
(ii) It doesn't pollute the air because it burns cleanly and doesn't leave behind any residue.
(iii) It functions as a reducing agent when metals are extracted from their ores.
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