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Title

The recycling of bayer electrofilter fines for diverese applications

AuthorsSancho, J.; Fernández Pérez, B.; Ayala, J. Nancy; García, P.; Verdeja, L. F.
KeywordsElectro-filter fines
Bayer
Alumina
Metallurgical waste
Recycling
Issue DateNov-2009
SeriesS04-9
AbstractAluminum is the second most used metal after iron due to its singular properties that makes its alloys useful in many applications. Despite of its great importance, the obtaining processes (Bayer_Hall-Heroult tandem) produce an important environmental impact. Generated waste and pollutants should be minimized and treated. The laboratory of Metallurgy of the Escuela de Minas de Oviedo is investigating the uses of industry wastes from alumina/aluminum industry since over 30 years. This paper presents one of the research lines followed for the recycling of electrostatic filter fines from alumina calcination furnace to produce industrial quality aluminum sulfate, alums and abrasives.
Description3 pages, 1 figure, 1 table.-- 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.
URIhttp://hdl.handle.net/10261/18617
ISBN978-84-7292-3980-0
Appears in Collections:(CENIM) Comunicaciones congresos
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