<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992020000400825</article-id>
<article-id pub-id-type="doi">10.20937/rica.53523</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[PREDICCIÓN DE DRENAJE ÁCIDO DE MINA, JALES DE LA MINA LA PRIETA, CHIHUAHUA, MÉXICO]]></article-title>
<article-title xml:lang="en"><![CDATA[PREDICTION OF ACID MINE DRAINAGE, TAILINGS FROM LA PRIETA MINE, CHIHUAHUA, MEXICO]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salas Urviola]]></surname>
<given-names><![CDATA[Fernando Benigno]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guadarrama Guzmán]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Villagómez]]></surname>
<given-names><![CDATA[Georgina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Sánchez]]></surname>
<given-names><![CDATA[Jesús Fidel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barraza Torres]]></surname>
<given-names><![CDATA[Luis Adrián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional del Altiplano Facultad de Ingeniería de Minas ]]></institution>
<addr-line><![CDATA[Puno ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ingeniería División de Ingenierías Civil y Geomática]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>36</volume>
<numero>4</numero>
<fpage>825</fpage>
<lpage>834</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992020000400825&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992020000400825&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992020000400825&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La mina La Prieta, Chihuahua, México, fue explotada ampliamente (plata, plomo y cobre) desde la época del virreinato hasta su cierre; por consiguiente, se acumularon grandes cantidades de jales o relaves, producto del procesamiento metalúrgico. Estos jales pueden producir drenaje ácido de mina debido a las reacciones de oxidación e hidrólisis. Con el objetivo de predecir si los jales son generadores de drenaje ácido, se realizó la caracterización de las muestras de jales y la determinación de la posibilidad de generar acidez. Los valores de pH hallados fueron ligeramente alcalinos (7.8-8.4). Por otro lado, los sulfatos y el azufre total se determinaron mediante los métodos turbidimétrico e infrarrojo, respectivamente. Cabe mencionar que la concentración de azufre total estuvo por debajo del límite de detección del equipo Leco S-144DR y las concentraciones de azufre en forma de sulfatos fueron mínimas. La caracterización mineralógica mostró que sólo en tres muestras se encontró pirita, y en bajos porcentajes. Los minerales calcita y dolomita presentes en el yacimiento tipo skarn intervienen en la neutralización del drenaje ácido de la mina y disminuyen la movilidad de la mayoría de los metales y metaloides tóxicos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The La Prieta mine, Chihuahua, Mexico, was intensively exploited (silver, lead and copper) from colonial times until its closure; consequently, large quantities of tailings produced by metallurgical processing accumulated. These tailings can produce acid mine drainage due to oxidation and hydrolysis reactions. With the objective of predicting if tailings can generate acid drainage, tailings samples were characterized and the possibility of generating acidity was investigated. The pH values found were slightly alkaline (7.8-8.4). On the other hand, sulfates and total sulfur were determined by turbidimetric and infrared methods, respectively. It is worth mentioning that total sulfur was below the limit of detection of the Leco S-144DR equipment and sulfur concentrations in the form of sulfates were very low. The mineralogical characterization showed that pyrite was found in only three samples and in low percentages. The calcite and dolomite minerals present in the skarn type deposit were involved in the neutralization of acid mine drainage and the decreased mobility of most toxic metals and metalloids.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[drenaje ácido de mina]]></kwd>
<kwd lng="es"><![CDATA[jales mineros]]></kwd>
<kwd lng="es"><![CDATA[predicción]]></kwd>
<kwd lng="en"><![CDATA[acid mine drainage]]></kwd>
<kwd lng="en"><![CDATA[mine tailings]]></kwd>
<kwd lng="en"><![CDATA[prediction]]></kwd>
</kwd-group>
</article-meta>
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