Metallurgical coal using in smelting of iron ore.
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As iron occurs only as iron oxides in the earth's crust, the ores must be converted, or 'reduced', using carbon. The primary source of this carbon is coking coal. Coking coal is converted to coke by driving off impurities to leave almost pure carbon. ... Almost all metallurgical coal is used in coke ovens.
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As iron occurs only as iron oxides in the earth's
crust, the ores must be converted, or 'reduced',
using carbon. The primary source of this carbon
is coking coal. Coking coal is converted to coke
by driving off impurities to leave almost pure
carbon. ... Almost all metallurgical coal is used in
coke ovens.
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