<?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>0188-6266</journal-id>
<journal-title><![CDATA[Acta universitaria]]></journal-title>
<abbrev-journal-title><![CDATA[Acta univ]]></abbrev-journal-title>
<issn>0188-6266</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Guanajuato, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-62662019000100245</article-id>
<article-id pub-id-type="doi">10.15174/au.2019.2499</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Remoción de arsénico del agua para consumo humano empleando un hidróxido doble laminar Mg/Fe]]></article-title>
<article-title xml:lang="en"><![CDATA[Water arsenic removal for human consumption using Mg/Fe layered double hydroxide]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ceseña Quiñonez]]></surname>
<given-names><![CDATA[José Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos Ramírez]]></surname>
<given-names><![CDATA[Esthela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serafín Muñoz]]></surname>
<given-names><![CDATA[Alma Hortensia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno Palmerin]]></surname>
<given-names><![CDATA[Joel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zanor]]></surname>
<given-names><![CDATA[Gabriela Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Ortega]]></surname>
<given-names><![CDATA[Norma Leticia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guanajuato  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guanajuato División de Ciencias Naturales y Exactas Departamento de Química]]></institution>
<addr-line><![CDATA[Guanajuato ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Guanajuato  ]]></institution>
<addr-line><![CDATA[Guanajuato Gto]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Guanajuato División de Ingenierías Departamento de Ingeniería en Minas, Metalurgía y Geología]]></institution>
<addr-line><![CDATA[Guanajuato ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Guanajuato División de Ciencias de la Vida Departamento de Ciencias Ambientales]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>29</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-62662019000100245&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-62662019000100245&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-62662019000100245&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La contaminación del agua por arsénico es un problema grave de salud pública a nivel mundial. El empleo de compuestos mesoporosos tipo hidrotalcitas (HT) es una opción eficiente y práctica para la adsorción de arsénico, debido a su alta tasa de remoción y bajo costo. Se sintetizó mediante el método de coprecipitación un hidróxido doble laminar Mg/Fe para la eliminación de arsénico en agua contaminada. Dicho sólido fue tratado a 100 °C y a 350 °C. El sólido se caracterizó por XRD y DSC-TGA. Se realizaron pruebas de eliminación de arsénico por contacto al equilibrio en sistema por lotes con soluciones sintéticas de arsénico y muestras de manantial. El sólido tratado térmicamente a 350 °C mostró la mejor capacidad de eliminación de arsénico, con capacidad de adsorción de 447.7 mg de arsénico por g de adsorbente en un tiempo de 180 min. Esta capacidad se atribuye a la modificación estructural por el tratamiento térmico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Water contamination by arsenic is a serious public health problem worldwide. The use of mesoporous hydrotalcite compounds is an efficient and practical option for the adsorption of arsenic, due to its high removal rate and low cost. A Mg/Fe layered double hydroxide was synthesized by the coprecipitation method to eliminate arsenic in contaminated water. This solid was treated at 100 °C and 350 °C. The solid was characterized by XRD and DSC-TGA. Arsenic removal tests were carried out by contact at the equilibrium in the Bach system with synthetic arsenic solutions and natural spring samples. The thermally treated solid at 350 °C showed the best arsenic removal capacity, with an adsorption capacity of 447.7 mg of arsenic per g of adsorbent in a time of 180 min. This capacity is attributed to the structural modification by the heat treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Arsénico]]></kwd>
<kwd lng="es"><![CDATA[hidróxido doble laminar mesoporoso]]></kwd>
<kwd lng="es"><![CDATA[coprecipitación]]></kwd>
<kwd lng="es"><![CDATA[isoterma de adsorción]]></kwd>
<kwd lng="en"><![CDATA[Arsenic]]></kwd>
<kwd lng="en"><![CDATA[mesoporous layered double hydroxide]]></kwd>
<kwd lng="en"><![CDATA[coprecipitation]]></kwd>
<kwd lng="en"><![CDATA[adsortion isotherm]]></kwd>
</kwd-group>
</article-meta>
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<surname><![CDATA[Tsotsis]]></surname>
<given-names><![CDATA[T. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adsorption of arsenic on layered double hydroxides: e&#64256;ect of the particle size]]></article-title>
<source><![CDATA[Industrial &amp; Engineering Chemistry Research]]></source>
<year>2006</year>
<volume>45</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>4742-51</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
