<?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>0250-5460</journal-id>
<journal-title><![CDATA[Revista Boliviana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Bol. Quim]]></abbrev-journal-title>
<issn>0250-5460</issn>
<publisher>
<publisher-name><![CDATA[Universidad Mayor de San Andrés]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0250-54602021000100014</article-id>
<article-id pub-id-type="doi">10.34098/2078-3949.38.1.2</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síntesis de Zeolita Linde F mediante tratamiento alcalino con potasa acústica a partir de roca de origen volcánico proveniente de sillar, Perú; Su aplicación en la adsorción de cobre(II)]]></article-title>
<article-title xml:lang="en"><![CDATA[Synthesis of zeolite Linde F through alkaline treatment with caustic potase from rocks of volcanic origin from sillar, Peru; its application in the adsorption of copper(II)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Valdivia]]></surname>
<given-names><![CDATA[Marcelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ocharán Velásquez]]></surname>
<given-names><![CDATA[Gladys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón Soncco]]></surname>
<given-names><![CDATA[Karen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benavides Paredes]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional San Agustín de Arequipa UNSA  ]]></institution>
<addr-line><![CDATA[Arequipa ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,MyAP Microscopía Electrónica y Aplicaciones  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional San Agustín de Arequipa UNSA,  ]]></institution>
<addr-line><![CDATA[Arequipa ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>38</volume>
<numero>1</numero>
<fpage>14</fpage>
<lpage>25</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S0250-54602021000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S0250-54602021000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S0250-54602021000100014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El presente artículo reporta los resultados de la síntesis de material zeolítico con capacidad adsorbente a partir de una roca de origen volcánico proveniente de sillar, Arequipa, Perú. La experimentación se efectuó en un reactor de acero inoxidable utilizando soluciones con diferentes concentraciones de KOH (2.0, 2.5 y 3.0 M), a una temperatura constante de 150°C y con un tiempo de contacto entre el material volcánico y la solución de 24, 48 y 72 horas. El producto obtenido se caracterizó mediante, análisis microscópico de barrido (SEM) y capacidad de intercambio catiónico (CIC).  Los resultados demostraron que se produjo zeolita sintética en función de la concentración de KOH como variable independiente más influyente. La mayor capacidad de intercambio catiónico (CIC) observada fue de 27.91 meq/100g y correspondió a la formación de zeolita Linde F obtenida con una solución de KOH 3.0 M y por un tiempo de 72 horas usando un material cuyo tamaño de partícula fue de 4 mm. Se realizaron pruebas de adsorción utilizando soluciones conteniendo cationes Cu2+ a fin de evaluar su capacidad y cinética de adsorción.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This article reports the results of the synthesis of zeolitic material with adsorbent capacity, from rocks of volcanic origin from sillar, Arequipa, Peru. The experimentation was carried out in a stainless steel reactor using solutions with different concentrations of KOH (2.0, 2.5 and 3.0 M) at a constant temperature of 150 ° C. The contact time between the volcanic material and the solution was 24, 48 and 72 hours. The obtained product was characterized by means of scanning microscopic analysis (SEM) and cation exchange capacity (CEC). The results showed that synthetic zeolite was produced as a function of the concentration of KOH as the most influential independent variable. The highest cation exchange capacity (CEC) observed was 27.91 meq / 100g and corresponded to the formation of Linde F zeolite obtained with a 3.0 M KOH solution and for a time of 72 hours using a material whose particle size was 4 mm. Adsorption tests were carried out using solutions containing cations Cu2+ in order to evaluate their capacity and adsorption kinetics.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Capacidad de intercambio catiónico]]></kwd>
<kwd lng="es"><![CDATA[Material volcánico]]></kwd>
<kwd lng="es"><![CDATA[Zeolita Linde F]]></kwd>
<kwd lng="es"><![CDATA[Cinética]]></kwd>
<kwd lng="es"><![CDATA[Tratamiento alcalino.]]></kwd>
<kwd lng="en"><![CDATA[Cation exchange capacity]]></kwd>
<kwd lng="en"><![CDATA[Volcanic material]]></kwd>
<kwd lng="en"><![CDATA[Zeolite Linde F]]></kwd>
<kwd lng="en"><![CDATA[Kinetics]]></kwd>
<kwd lng="en"><![CDATA[Alkaline treatment.]]></kwd>
</kwd-group>
</article-meta>
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