<?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>2224-5421</journal-id>
<journal-title><![CDATA[Revista Cubana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cub Quim]]></abbrev-journal-title>
<issn>2224-5421</issn>
<publisher>
<publisher-name><![CDATA[Ediciones UO, Universidad de Oriente]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2224-54212021000100167</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Adsorción de ciprofloxacina en materiales zeolíticos]]></article-title>
<article-title xml:lang="en"><![CDATA[Ciprofloxacin adsorption in zeolitic materials]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Meneau-Hernández]]></surname>
<given-names><![CDATA[Rosa I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Millán-Arrieta]]></surname>
<given-names><![CDATA[José A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borrego-Morales]]></surname>
<given-names><![CDATA[Katia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alba-Carranza]]></surname>
<given-names><![CDATA[María D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Farías-Piñeira]]></surname>
<given-names><![CDATA[Tania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Habana Instituto de Ciencia y Tecnología de Materiales (IMRE) ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de La Habana Facultad de Química ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Ciencia de Materiales de Sevilla (ICMS)  ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>España</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>33</volume>
<numero>1</numero>
<fpage>167</fpage>
<lpage>190</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2224-54212021000100167&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2224-54212021000100167&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2224-54212021000100167&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En este trabajo se sintetizó una zeolita A jerarquizada y se evaluó su capacidad de adsorción frente al fármaco modelo ciprofloxacina. Se empleó a modo de comparación una clinoptilolita natural cubana. La síntesis se realizó por vía hidrotermal usando cenizas de cáscara de arroz como fuente de silicio y un surfactante como plantilla para la generación de mesoporos. Los resultados mostraron que el método de síntesis permite obtener una zeolita A jerarquizada con alta pureza y cristalinidad, un tamaño de partícula de 500 nm y un diámetro de poro medio de 33 nm. La zeolita sintetizada mostró una capacidad de adsorción de ciprofloxacina (383 mg/g) muy superior a la de la zeolita natural (73 mg/g), y superior además, a la de otros adsorbentes reportados en la literatura. Estos resultados son prometedores para el empleo del material desarrollado en la remoción de fármacos en aguas residuales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In this work, a hierarchical A zeolite was synthesized and its adsorption capacity of the model drug ciprofloxacin was evaluated. A natural Cuban clinoptilolite was used for comparison. The synthesis was carried out hydrothermally using rice husk ash as silicon source and a surfactant as template for the generation of mesopores. The results showed that the synthesis method allows to obtain a hierarchical zeolite A with high purity and crystallinity, a particle size of 500 nm and an average pore diameter of 33 nm. The synthesized zeolite showed a ciprofloxacin adsorption capacity (383 mg/g) much higher than that of natural zeolite (73 mg/g), and also higher than that of other adsorbents reported in the literature. These results are promising for the use of the material developed in the removal of drugs in wastewater.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[zeolitas]]></kwd>
<kwd lng="es"><![CDATA[clinoptilolita]]></kwd>
<kwd lng="es"><![CDATA[zeolita A]]></kwd>
<kwd lng="es"><![CDATA[ciprofloxacina]]></kwd>
<kwd lng="es"><![CDATA[adsorción]]></kwd>
<kwd lng="en"><![CDATA[zeolites]]></kwd>
<kwd lng="en"><![CDATA[clinoptilolite]]></kwd>
<kwd lng="en"><![CDATA[zeolite A]]></kwd>
<kwd lng="en"><![CDATA[ciprofloxacin]]></kwd>
<kwd lng="en"><![CDATA[adsorption]]></kwd>
</kwd-group>
</article-meta>
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