<?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>2737-6419</journal-id>
<journal-title><![CDATA[Revista Athenea]]></journal-title>
<abbrev-journal-title><![CDATA[Athenea]]></abbrev-journal-title>
<issn>2737-6419</issn>
<publisher>
<publisher-name><![CDATA[AutanaBooks, con el apoyo institucional de la Universidad Nacional Experimental Politécnica "Antonio José de Sucre", Vicerrectorado Puerto Ordaz, Venezuela]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2737-64192026000100018</article-id>
<article-id pub-id-type="doi">10.47460/athenea.v7i23.124</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Materiales carbonosos y nanomateriales de residuos de cacao para remoción de metales pesados]]></article-title>
<article-title xml:lang="en"><![CDATA[Carbonaceous Materials and Cacao Waste Nanomaterials for Heavy Metal Removal]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos Flores]]></surname>
<given-names><![CDATA[María Eugenia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bravo]]></surname>
<given-names><![CDATA[Wilian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chaglla Cango]]></surname>
<given-names><![CDATA[Maritza Tatiana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ureña Callay]]></surname>
<given-names><![CDATA[Gabriela Belén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lema]]></surname>
<given-names><![CDATA[Maribel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Unidad Educativa Nela Martínez Espinosa  ]]></institution>
<addr-line><![CDATA[La Troncal ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Escuela Superior Politécnica de Chimborazo  ]]></institution>
<addr-line><![CDATA[Riobamba ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Escuela Superior Politécnica de Chimborazo  ]]></institution>
<addr-line><![CDATA[Riobamba ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Escuela Superior Politécnica de Chimborazo  ]]></institution>
<addr-line><![CDATA[Riobamba ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Escuela Superior Politécnica de Chimborazo  ]]></institution>
<addr-line><![CDATA[Riobamba ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<volume>7</volume>
<numero>23</numero>
<fpage>18</fpage>
<lpage>27</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_arttext&amp;pid=S2737-64192026000100018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_abstract&amp;pid=S2737-64192026000100018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_pdf&amp;pid=S2737-64192026000100018&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El agua contaminada con metales pesados representa un riesgo crítico para la salud y los ecosistemas, especialmente en las regiones cacaoteras donde convergen las actividades agroindustriales y mineras. Este trabajo presenta una revisión estructurada sobre el uso de residuos de cacao como plataforma para el desarrollo de biosorbentes, materiales carbonosos y nanomateriales para la remoción de metales en sistemas acuosos. Se realizó una búsqueda en bases de datos científicas y se seleccionaron estudios con una clara caracterización de los materiales y evaluación experimental en fase acuosa. La evidencia se organizó según el tipo de residuo y material, discutiendo su desempeño, ventajas y limitaciones. Además, se identificaron brechas de investigación relacionadas con la escasez de ensayos en matrices del mundo real, información limitada sobre regeneración y vida útil, el tratamiento de Hg(II) y la falta de análisis integrales de sostenibilidad y viabilidad en contextos latinoamericanos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The presence of heavy metals in water poses a critical risk to human health and ecosystems, particularly in cocoa-producing regions where agro-industrial and mining activities converge. This work provides a structured review on the use of cocoa residues as a platform for developing biosorbents, carbonaceous materials, and nanomaterials for heavy metal removal in aqueous systems. A search of scientific databases was conducted, and studies were selected based on clear material characterization and experimental evaluation in aqueous phase. The evidence was organized according to residue type and derived material, analyzing performance, advantages, and limitations. Research gaps were identified regarding the scarcity of tests in real-world matrices, limited information on regeneration and service lifetime, challenges in the treatment of Hg(II), and the lack of comprehensive assessments of sustainability and feasibility in Latin American contexts.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[residuos de cacao]]></kwd>
<kwd lng="es"><![CDATA[materiales carbonosos]]></kwd>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="es"><![CDATA[hidrochar]]></kwd>
<kwd lng="en"><![CDATA[cocoa residues]]></kwd>
<kwd lng="en"><![CDATA[carbonaceous materials]]></kwd>
<kwd lng="en"><![CDATA[heavy metals]]></kwd>
<kwd lng="en"><![CDATA[hydrochar]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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