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Obtainment of sponge iron by reduction of a steelmaking by-product

AuthorsMartín Hernández, María Isabel; López Gómez, Félix Antonio ; Rabanal, M. Eugenia; Torralba Castelló, José Manuel
KeywordsRolling mill scale
Sponge iron power
Issue DateNov-2009
AbstractRolling mill scale is a solid by-product of the steelmaking industry that contains metallic iron, wustite (FeO), hematite (α-Fe2O3) and magnetite (Fe3O4). It also contains traces of non-ferrous metals, alkaline compounds and oils from the rolling process. A study is made of the reduction of mill scale to sponge iron using coke at 1100 ºC and different times. The reduction of mill scale allows the new use and development of this material to obtain sponge iron that can be re-used to the electric furnace as metallic load in steel manufacturing or as a raw material in the production of iron-base powder metallurgy parts.
DescriptionEn: 1st Spanish National Conference on Advances in Materials Recycling and Eco – Energy Madrid, 12-13 November 2009.-- Editors: F. A. López, F. Puertas, F. J. Alguacil and A. Guerrero.-- 4 pages, 5 figures, 1 table.
Appears in Collections:(CENIM) Comunicaciones congresos
(IETCC) Comunicaciones congresos
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