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Metals 2016, 6(9), 203; doi:10.3390/met6090203

Cold Agglomeration of Ultrafine Oxidized Dust (UOD) from Ferromanganese and Silicomanganese Industrial Process

1
Laboratorio de Metalurgia, Escuela de Minas, Universidad de Oviedo, Oviedo, 33004 Asturias, Spain
2
Innvel S.L., Lieres, 33580 Asturias, Spain
3
Ferroatlántica S.L., Factoría Boo de Guarnizo, Maliaño, 39600 Cantabria, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Hugo F. Lopez
Received: 27 June 2016 / Revised: 18 August 2016 / Accepted: 22 August 2016 / Published: 27 August 2016
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Abstract

Different wastes are generated in ferromanganese and silicomanganese alloy production. One of them is the ultrafine oxidized dust (UOD) produced in the collection and control of flying dusts in the ferroalloy industry. This waste has fairly high manganese content (20%–40% Mn), making it suitable to be a secondary raw material for the ferromanganese industry. This research proposes a method for the transformation of UOD into a useable raw material. Cold agglomeration is the best option, due to its low energy consumption. Portland cement and refractory cement are compared as suitable candidates in the management of the UOD for their reuse in the electric arc furnace feed. View Full-Text
Keywords: ferroalloys; ferromanganese; silicomanganese; cold agglomeration; Portland cement; calcium aluminate refractory cement ferroalloys; ferromanganese; silicomanganese; cold agglomeration; Portland cement; calcium aluminate refractory cement
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Ordiales, M.; Iglesias, J.; Fernández-González, D.; Sancho-Gorostiaga, J.; Fuentes, A.; Verdeja, L.F. Cold Agglomeration of Ultrafine Oxidized Dust (UOD) from Ferromanganese and Silicomanganese Industrial Process. Metals 2016, 6, 203.

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