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MIDREX INTERNATIONAL B. V. Zurich Branch
| MIDREX INTERNATIONAL B. V. Zurich Branch Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090031859 | METHOD FOR PRODUCING METALLIC IRON - A hearth material is laid in the form of a layer on the hearth prior to supply of a mixture containing a carbonaceous reducing agent and iron oxides onto a hearth of a reduction melting furnace, thereby forming a renewable hearth capable of being renewed, and the metallic iron is produced while renewing a part or the whole of the renewable hearth, which has deteriorated during operation, with the hearth material. | 02-05-2009 |