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Revista de Metalurgia
Article . 2004 . Peer-reviewed
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Revista de Metalurgia
Article
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Revista de Metalurgia
Article . 2004
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DIGITAL.CSIC
Article . 2010 . Peer-reviewed
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Tratamiento del polvo de aluminio mediante disolución acuosa

Authors: López Gómez, Félix Antonio; Medina, J. A.; Tayibi, Hanan; Peña Fernández, M. Carmen; López-Delgado, Aurora;

Tratamiento del polvo de aluminio mediante disolución acuosa

Abstract

El polvo de aluminio es un residuo generado en la metalurgia secundaria del aluminio y considerado peligroso como consecuencia de su elevada reactividad en presencia de humedad. Con objetivo de buscar un procedimiento de pretratamiento de dicho residuo, de acuerdo con la Directiva Europea sobre vertederos, se ha realizado el estudio del comportamiento del polvo de aluminio en medio acuoso. Para ello, se han analizado la influencia de la temperatura, el tiempo y el pH de reacción en su hidrólisis. Los sólidos hidrolizados se caracterizaron mediante EAA y DRX, mientras que en las soluciones acuosas resultantes se determinaron el pH y la conductividad iónica. Los gases liberados durante el proceso de hidrólisis se analizaron mediante espectrometría de masas. Asimismo, se ha determinado la reactividad del residuo antes y después de la hidrólisis, analizando amoniaco, sulfuro de hidrógeno y aluminio metálico. La hidrólisis, a 60 °C y después de 48 h, permite obtener material de muy baja reactividad que podría ser almacenado en vertedero.

Country
Spain
Keywords

Residuo peligroso, Mining engineering. Metallurgy, Reactividad, Aluminium dust, Hydrolysis, Reactivity, TN1-997, Hazardous residue, espectrometría de masas, hidrólisis, residuo peligroso, reactividad., polvo de aluminio, Polvo de aluminio, Hidrólisis, Evolved gases, Espectrometría de masas

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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