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What is the difference between direct reduction and indirect reduction process of iron ore?
direct reduction: FeO + C = Fe + CO
indirect reduction FeO + CO = Fe + CO2
I don't think that is what the terminology 'direct reduction' means in this context. For a start most directly reduced iron (DRI) is produced using CO and H2 produced from natural gas. I think the correct meaning is that 'direct reduction' is called direct because it directly produces iron (as a solid sponge because iron has a high melting point - see the 'bloomery process' for producing wrought iron), while the indirect process produces iron via 'pig iron' which is a high carbon alloy of iron (produced as a liquid because of the reduction in melting point caused by the carbon - see 'Osmond' process).
What else can I help you with?
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