Characterisation of sequential leachate discharges of mining waste rock dumps in the Tinto and Odiel rivers

Sáinz, Ángel Gutiérrez; Grande, J. A.; Torre, M. L. de la; Sánchez-Rodas, Daniel

doi:10.1006/jema.2001.0497

Cited by 95 publications

(62 citation statements)

References 8 publications

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“…This problem has been largely described by different authors (Borrego 1992;Elbaz-Poulichet et al 1999; Sá inz 1999; Davis et al 2000;Grande et al 2000Grande et al , 2003aGrande et al ,b, 2005aGrande et al ,b, 2009Leblanc et al 2000;Borrego et al 2002;Sá inz et al 2002Sá inz et al , 2003aSá inz et al ,b, 2004Ferná ndez-Remolar et al 2003 Water pollution from mining, which arrived in the Cobica watercourse coming from the Chorrito stream, is produced by mine underground water, waste dump leachate and general washout of all pyrite waste dispersed through the numerous mining operations (Grande et al 2005a). …”

Section: Location and Description Of The Study Areamentioning

confidence: 99%

Model of behaviour of conductivity versus pH in acid mine drainage water, based on fuzzy logic and data mining techniques

Jiménez

Aroba

Torre

et al. 2009

Journal of Hydroinformatics

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Acid Mine Drainage is a water pollution type characterized by several topics such as high acidity, sulfate and heavy metal concentrations. One of the chemical characteristics is the absence of correlation between pH and conductivity, as could be expected. This last parameter is well correlated with other variables such as sulfate concentration and can be used as a field assessment. The absence of pH/conductivity correlation is largely discussed by several authors. In this work, the use of fuzzy logic algorithms in a large temporal database (over 20,000 records) has allowed us to study the "hidden" relation between them. This work finds this correlation, with some conditions such as the range of pH where it happens. Maybe the study of the usual range of pH values in previous studies has disturbed the correlation because of other chemical processes.

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Section: Location and Description Of The Study Areamentioning

confidence: 99%

Model of behaviour of conductivity versus pH in acid mine drainage water, based on fuzzy logic and data mining techniques

Jiménez

Aroba

Torre

et al. 2009

Journal of Hydroinformatics

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“…Such contamination affects between 5000 and 10 000 miles of streams in the western United States (US Department of Agriculture, 1997). Although the most frequent examples of AMD contamination come from the USA and Canada (Grout et al, 2001;Lefevre et al, 2001), this problem also affects numerous states in Africa (Bullock et al, 1997;Geldenhuis et al, 1998), Europe (Banks et al, 1997;Hoth et al, 2001;Dinelli et al, 2002;Grande et al, 2003a,b;Sáinz et al, 2002), Australia (Lottermoser et al, 1999;Taylor et al, 2002) and, in general, wherever there is an intense mining activity in deposits with a presence of sulphides, as is the case not only of pyrite mining, but also of gold, silver, copper, zinc, lead, uranium and coal. In active mines of the developed countries, mining operators treat their effluents before releasing them to the environment.…”

Section: Fluvial Contaminationmentioning

confidence: 98%

“…From Gibraleón and San Juan del Puerto up to their common mouth into the Atlantic Ocean, these two rivers form a large estuary known as Ria of Huelva, of a fluvio-tidal nature and with a complex marshes system (Grande et al, 2000). The hydrodynamic and hydrochemical characteristics of the estuarine system have been widely described by several authors (Agencia del Medio Ambiente, 1988;Elbaz Poulichet et al, 1999;Braungardt et al, 1998;Borrego, 1992;Sáinz, 1999Sáinz, , 2000Davis et al, 2000;Grande et al, 2000Grande et al, , 2003aBorrego et al, 2002;Sáinz et al, 2002Sáinz et al, , 2003.…”

Section: Introductionmentioning

confidence: 96%

Application of a systemic approach to the study of pollution of the Tinto and Odiel rivers (Spain)

Sáinz

Grande

Torre

2005

Environ Monit Assess

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The province of Huelva in the SW of Spain presents high environmental contrasts: together with the great abundance of natural spaces, it shows the impacts of historical natural resources exploitation processes. In the Ria of Huelva, the effluents of the chemical industries must be added to the contaminating inputs of the Tinto and Odiel rivers, coming from the acid drainage of the mines located in the Iberian Pyrite Belt. This forced the Environmental Agency (AMA) to elaborate in 1987 an Effluent Remediation Plan in order to negate unacceptable environmental impacts. The application of a "grey box" systemic analysis to the AMD pollution, undergone by the Tinto and Odiel rivers has allowed to set a conclusive explanation of the sampling results observed for a period of 11 years, thus making available an overall view of the polluting process and, above all, an explanation of its partial aspects.

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“…Investigations of the high mining-related contamination existing in the area has generated numerous publications (Borrego et al, 2002;Grande et al, 1999;Elbaz-Poulichet et al, 2001;Sainz et al, 2002) but these deal with contaminants within the Tinto and Odiel estuaries. In this work, a study along the whole Odiel basin has been conducted.…”

Section: Introductionmentioning

confidence: 99%

Pollution of a River Basin Impacted by Acid Mine Drainage in the Iberian Pyrite Belt (Sw Spain)

Sarmiento¹,

Nieto²,

Álvarez³

et al. 2006

JASMR

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Abstract. The Iberian Pyrite Belt (IPB) is one of the most famous sulfide mining regions in the world. Mining activity in the IPB dates back to prehistoric times, and though today there is no active mining, the pollution continues to generate. The result is acidic drainage containing elevated concentration of sulfate and heavy metals. This is responsible for the pollution and degradation of the Odiel River basin in south-western Spain. In this work we have conducted a study along the entire Odiel basin. During the years 2002 and 2003 we have collected water samples at 69 points in order to characterize and quantify the pollutants that the Odiel River receives as a consequence of the AMD inputs within its watershed. The contaminant load transported by the Odiel River into the Huelva Estuary has also been calculated. Due to the great quantity of samples and analyses, the use of statistical multivariate techniques (Principal Component Analysis) was used to interpret the results. PCA of the samples showed strong interrelationships between the generation of acid by sulfide mineral weathering and metal loads. In downstream reaches, the rock forming elements (K, Ca, Na, Mg, etc.) dominate as the acidic waters dissolve the rocks in the stream bed. The contaminant load transported by the Odiel River to the Huelva Stuary is dominated by SO 4 2-, Al and Fe, with lesser quantities of Zn, Cu, Cd, etc. Additional Key words:Odiel River, acid drainage, metal pollution.

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Characterisation of sequential leachate discharges of mining waste rock dumps in the Tinto and Odiel rivers

Cited by 95 publications

References 8 publications

Model of behaviour of conductivity versus pH in acid mine drainage water, based on fuzzy logic and data mining techniques

Model of behaviour of conductivity versus pH in acid mine drainage water, based on fuzzy logic and data mining techniques

Application of a systemic approach to the study of pollution of the Tinto and Odiel rivers (Spain)

Pollution of a River Basin Impacted by Acid Mine Drainage in the Iberian Pyrite Belt (Sw Spain)

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