<?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>2007-8196</journal-id>
<journal-title><![CDATA[Epistemus (Sonora)]]></journal-title>
<abbrev-journal-title><![CDATA[Epistemus (Sonora)]]></abbrev-journal-title>
<issn>2007-8196</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sonora, División de Ingeniería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-81962023000100107</article-id>
<article-id pub-id-type="doi">10.36790/epistemus.v17i34.273</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Lixiviación de plomo con citrato a partir de un mineral de galena, efecto del pH.]]></article-title>
<article-title xml:lang="en"><![CDATA[Lead Leaching with Citrate from a Galena Mineral, pH Effect]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pantaleón Tolentino]]></surname>
<given-names><![CDATA[David Moisés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calla Choque]]></surname>
<given-names><![CDATA[Dandy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos Jallath]]></surname>
<given-names><![CDATA[José Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>17</volume>
<numero>34</numero>
<fpage>107</fpage>
<lpage>114</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-81962023000100107&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-81962023000100107&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-81962023000100107&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La recuperación de metales a partir de minerales mediante procesos alternativos es apropiada para la reducción de contaminantes producidos en fundiciones y operaciones tradicionales; la lixiviación de metales con el uso de reactivos químicos a bajas concentraciones permite la reutilización de las soluciones, así como la reducción de problemas en el reciclaje de las soluciones. La lixiviación con reactivos orgánicos a temperatura ambiente reduce los problemas de generación de gases y consumo de reactivos, por lo que resulta ser una opción para la obtención de metales a partir de minerales. Este trabajo presenta una alternativa para la recuperación de plomo mediante la lixiviación de un mineral de galena utilizando citrato de sodio en una concentración de 0.2 M a temperatura ambiente. Se evalúa el efecto del pH en medio ácido, neutro y alcalino, donde se logra recuperar el 99.9% de plomo en medio alcalino.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The recovery of metals from minerals through alternative processes is appropriate for the reduction of pollutants produced in foundries and traditional operations; the leaching of metals with the use of chemical reagents at low concentrations allows the reuse of the solutions, as well as the reduction of problems in the recycling of the solutions. Leaching with organic reagents at room temperature reduces the issues in the generation of gases and consumption of reagents, which is why it turns out to be an option for obtaining metals from minerals. This work shows an alternative for lead recovery by leaching a galena mineral using sodium citrate in a concentration of 0.2 M at room temperature. The effect of pH in acid, neutral, and alkaline mediums is evaluated, where recovery of 99.9% of lead in alkaline media is achieved.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[plomo]]></kwd>
<kwd lng="es"><![CDATA[lixiviación]]></kwd>
<kwd lng="es"><![CDATA[citrato]]></kwd>
<kwd lng="es"><![CDATA[alcalino]]></kwd>
<kwd lng="en"><![CDATA[lead]]></kwd>
<kwd lng="en"><![CDATA[leaching]]></kwd>
<kwd lng="en"><![CDATA[citrate]]></kwd>
<kwd lng="en"><![CDATA[alkaline]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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