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Weathering of S. Domingos (Iberian Pyritic Belt) abandoned mine slags

Published online by Cambridge University Press:  05 July 2018

L. Rosado ,
C. Morais ,
A. E. Candeias ,
A. P. Pinto ,
F. Guimarães  and
J. Mirão
L. Rosado
Affiliation:
Evora Chemistry Centre and University of Évora Chemistry Department, Évora, Portugal
C. Morais
Affiliation:
Evora Chemistry Centre and University of Évora Chemistry Department, Évora, Portugal
A. E. Candeias
Affiliation:
Evora Chemistry Centre and University of Évora Chemistry Department, Évora, Portugal
A. P. Pinto
Affiliation:
Mediterranean and Agricultural Sciences Institute, University of Évora, Évora, Portugal
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Abstract

The S. Domingos abandoned mine is a major source of pollutant-metals contamination. Slags from the 19th-20th century contain the most hazardous material. However, the release of pollutant metals depends on the metal-retention capability of weathering products. This work shows that Zn is not effectively retained by these weathering products while As and Pb are partially stored in sulphates. Copper, on the other hand, has a different behaviour and is the most leachable of the elements studied.

Keywords

slagacid mine drainagemetal pollutionS. Domingosretentionstorage
Type
Research Article
Information
Mineralogical Magazine , Volume 72 , Issue 1 , February 2008 , pp. 489 - 494
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 2008

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