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Method of obtaining electrolytic manganese from ferroalloy production waste

AutorSancho, J.; Fernández Pérez, B.; Ayala, J. Nancy; Recio, J. C.; Rodríguez, C.; Bernardo, J. L.
Palabras claveElectrolytic manganese
Metallurgical waste
Metals recovery
Fecha de publicaciónnov-2009
ResumenThe manganese, active metal very much used in the steel and aluminum industries, is found in the nature combined in diverse minerals, the most important of which are: the oxide pyrolusite and the carbonate called rhodochrosite. This work presents a process that allows the obtaining of high quality electrolytic manganese, using sludge from flue gas furnace ferroalloys production, getting by this way, the integrated management of a residue produced worldwide in important quantities. The above mentioned work has been realized by the collaboration, during the last 10 years, between Ferroatlántica SA (Boo-Cantabria) and the laboratory of Metallurgy of the Escuela de Minas de Oviedo, and has given up to an International patent protecting the production of pure solutions of manganese, suitable to be electrolyzed, from electrical furnaces gas cleaning mud, obtained in the Fe-Mn and Si-Mn production.
Descripción3 pages, 1 figure, 3 tables.-- En: 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.
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