what is smelting?
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Smelting is a process of extracting a metal from ore by involving heating and melting.
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Hey !!
The calcined ore, coke free from sulphur and lime stone are mixed in the mass ratio, 8:4:1. The change is fed into the blast furnace. A blast of hot air is sent into the furnace through the tuyers. Lime acts as a flux and coke serves as fuel and reducing agent. At the top part of the furnace, the reducing agent is carbon monoxide but at the bottom reducing agent is carbon itself.
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