<?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>2223-4861</journal-id>
<journal-title><![CDATA[Centro Azúcar]]></journal-title>
<abbrev-journal-title><![CDATA[cen. az.]]></abbrev-journal-title>
<issn>2223-4861</issn>
<publisher>
<publisher-name><![CDATA[Editorial Feijóo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2223-48612020000100090</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ADSORCIÓN DE CADMIO DESDE SOLUCIONES ACUOSAS EN CARBÓN ACTIVADO DE BAGAZO DE CAÑA DE AZÚCAR VARIEDAD ROXA]]></article-title>
<article-title xml:lang="en"><![CDATA[ADSORPTION OF CADMIUM FROM AN AQUEOUS SOLUTION ON ACTIVATED COAL FROM BAGASSE OF SUGARCANE ROXA VARIETY]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prieto García]]></surname>
<given-names><![CDATA[Julio Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gehan Geulamussein]]></surname>
<given-names><![CDATA[Noor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Leiva]]></surname>
<given-names><![CDATA[Ariel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Albelo]]></surname>
<given-names><![CDATA[Eugenio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez García]]></surname>
<given-names><![CDATA[Mixary]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de las Villas Facultad de Química y Farmacia Departamento Licenciatura en Química]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Eduardo Mondlane Facultad de Ciencias Departamento de Química]]></institution>
<addr-line><![CDATA[Maputo ]]></addr-line>
<country>Mozambique</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>47</volume>
<numero>1</numero>
<fpage>90</fpage>
<lpage>99</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612020000100090&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612020000100090&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612020000100090&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El carbón activado es utilizado en la industria para la eliminación de contaminantes. La preparación de carbón activado es estudiada en este trabajo usando como precursor bagazo de caña de azúcar.  Objetivo:  Obtener carbón activado con buenas propiedades adsortivas a partir de bagazo de caña de azúcar, variedad Roxa de Mozambique.  Materiales y Métodos:  La preparación por vía "química" se realiza utilizando diferentes temperaturas (800 y 600 °C). El adsorbente obtenido es evaluado a través de la adsorción de azul de metileno. El producto es evaluado a partir de una serie de parámetros físicos para ser usado como adsorbente de iones Cd (II) en solución acuosa.  Resultados y Discusión:  Desde el punto de vista cinético se ajusta a un mecanismo de seudosegundo orden donde la difusión constituye un factor importante. El modelo de Dubinin-Raduskevich explica satisfactoriamente el proceso de adsorción. Conclusiones: El bagazo de caña de azúcar es un precursor adecuado para obtener carbones por vía &#8220;química&#8221; con moderadas capacidades de adsorción de iones Cd (II) en soluciones acuosas. Los carbones activados preparados por activación &#8220;química&#8221; en condiciones operacionales de 800 oC y 120 minutos muestran los mejores resultados con respecto a la adsorción de azul de metileno.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Activated coal is used for elimination of contaminants in industry. The preparation of activated coal is studied in this work using cane bagasse as precursor.  Objective: To obtain activated coal with good adsorptive properties from sugarcane bagasse, Roxa de Mozambique variety.  Materials and Methods: The preparation is carried out by "chemistry methods" using different temperatures (600 and 800 °C). The adsorbents obtained in this research are evaluated through discoloration capacity from a methylene blue solution. The product that was chosen is subjected to several physical chemistry assays for its characterization in order to be used as sorbent for Cd (II) ions from aqueous solutions.  Results and Discussion:  From the kinetic point of view the process follows a mechanism pseudo-second order where the diffusion factor is important. The Dubinin-Raduskevich model is satisfactory explaining the adsorptive process.  Conclusions:  Sugarcane bagasse is a suitable precursor for obtaining &#8220;chemical&#8221; carbons with moderate adsorption capacities of Cd (II) ions in aqueous solutions. Activated coals prepared by &#8220;chemical&#8221; activation under operational conditions of 800 oC and 120 minutes show the best results in methylene blue adsorption.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[carbón activado]]></kwd>
<kwd lng="es"><![CDATA[cinética de adsorción]]></kwd>
<kwd lng="en"><![CDATA[activated carbon]]></kwd>
<kwd lng="en"><![CDATA[adsorption kinetic]]></kwd>
</kwd-group>
</article-meta>
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