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In the iron and steel industry, direct reduction is a set of processes for obtaining iron from iron ore, by reducing iron oxides without melting the metal. The resulting product is pre-reduced iron ore.
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processes process iron reduction ore gas direct production developed reducing furnace natural blast pre-reduced coal furnaces unit midrex since industrial
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Direct reduction | is a | set of processes for obtaining iron from iron ore | 0.90 | text |
| Direct reduction | is a | chemical exchange between gas and solid | 0.90 | text |
| Carl Wilhelm Siemens' | instance of | Processes | 0.80 | text |
| based on the use of a short drum | instance of | Processes | 0.80 | text |
| first appeared at the end of the 19th century | instance of | Processes | 0.80 | text |
| the COREX | instance of | Reduction-melting processes | 0.80 | text |
| capable of feeding an ancillary Midrex direct reduction unit | instance of | Reduction-melting processes | 0.80 | text |
| or the Tecnored | instance of | Reduction-melting processes | 0.80 | text |
| are justified by their ability to produce CO-rich gas despite their higher investment cost | instance of | Reduction-melting processes | 0.80 | text |
| Hybrit are being actively studied with a view to decarbonizing the steel industry | instance of | pure hydrogen processes | 0.80 | text |
| Direct reduction | related to Bibliography | Amit Chatterjee | 0.60 | section |
| Direct reduction | related to Bibliography | Sponge Iron Production By | 0.60 | section |
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