<?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>1692-3561</journal-id>
<journal-title><![CDATA[Biotecnología en el Sector Agropecuario y Agroindustrial]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Bio.Agro]]></abbrev-journal-title>
<issn>1692-3561</issn>
<publisher>
<publisher-name><![CDATA[Taller Editorial Universidad del Cauca]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1692-35612023000100018</article-id>
<article-id pub-id-type="doi">10.18684/rbsaa.v21.n1.2023.1610</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estimación de materiales lignocelulósicos residuales como adsorbentes de cromo y plomo]]></article-title>
<article-title xml:lang="en"><![CDATA[Estimation of residual lignocellulosic materials as adsorbents of chromium and lead]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[PARRA-REYES]]></surname>
<given-names><![CDATA[JAIME-ANDRÉS;]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[PÉREZ]]></surname>
<given-names><![CDATA[EDIER-HUMBERTO;]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Cauca Facultad de Ciencias Naturales, Exactas y de la Educación, Departamento de Química Grupo de Investigación en Agroquímica. Químico]]></institution>
<addr-line><![CDATA[Popayán ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Cauca Facultad de Ciencias Naturales, Exactas y de la Educación, Departamento de Química Grupo de Investigación en Agroquímica]]></institution>
<addr-line><![CDATA[Popayán ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>18</fpage>
<lpage>27</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1692-35612023000100018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1692-35612023000100018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1692-35612023000100018&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los materiales lignocelulósicos residuales pueden usarse como adsorbentes de metales pesados presentes en el agua, propiciando la adsorción de iones metálicos sobre la superficie y sitios activos de los biomateriales, resultando en una remoción eficiente y de bajo costo. En este caso, se hace innovación con el aprovechamiento de residuos agroindustriales del fique (Furcraea macrophilla) y del capacho de maíz (Zea mays) como fases adsorbentes de los metales cromo y plomo, con el fin de valorar su capacidad como adsorbente de estos metales presentes en muestras de agua, determinado el tiempo de equilibrio, tipo de isoterma y capacidad máxima de adsorción; encontrando que en un tiempo de 12 horas, la fibra de fique tiene una capacidad de adsorción de Cr y Pb de 7,81 ± 1,40 mg/g y 169,51 ± 1,37 mg/g respectivamente, observando, una forma de isoterma de adsorción tipo Freundlich; mientras que la fibra de capacho de maíz presenta una capacidad de adsorción de 13,35 ± 3,28 mg/g para cromo y 15,01 ± 3,47 mg/g para plomo, mostrando un comportamiento en su isoterma de adsorción tipo Langmuir, concluyendo que ambas fibras tienen potencial para la remoción de los metales estudiados, especialmente la fibra de fique.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Residual lignocellulosic materials can be used as adsorbents for heavy metals present in water, promoting the adsorption of metal ions on the surface and active sites of biomaterials, resulting in a low-cost and efficient removal. In this case, the residues from the agroindustrial use of the fique (Furcraea macrophilla) and the agricultural process of the corn maize (Zea mays) were studied as adsorbing phases of chromium and lead metals, in order to assess their capacity as biosorbents of these metals present in water samples, determined by equilibrium time, type of isotherm and maximum adsorption capacity; finding that in a time of 12 hours, the fique fiber has an adsorption capacity of Cr and Pb of 7,81 ± 1,40 mg/g and 169,51 ± 1,37 mg/g respectively, observing, a form of Freundlich type adsorption isotherm; while the corn layer fiber has an adsorption capacity of 13,35 ± 3,28 mg/g for chromium and 15,01 ± 3,47 mg/g for lead, showing a behavior in its Langmuir-type adsorption isotherm , concluding that both fibers have potential for the removal of the metals studied, especially the fiber of fique.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Adsorción]]></kwd>
<kwd lng="es"><![CDATA[Metales]]></kwd>
<kwd lng="es"><![CDATA[Fique]]></kwd>
<kwd lng="es"><![CDATA[Maíz]]></kwd>
<kwd lng="es"><![CDATA[Materiales lignocelulósicos]]></kwd>
<kwd lng="es"><![CDATA[Freundlich]]></kwd>
<kwd lng="es"><![CDATA[Langmuir]]></kwd>
<kwd lng="es"><![CDATA[Remoción]]></kwd>
<kwd lng="es"><![CDATA[Contaminación]]></kwd>
<kwd lng="es"><![CDATA[Biomateriales]]></kwd>
<kwd lng="en"><![CDATA[Adsorption]]></kwd>
<kwd lng="en"><![CDATA[Metals]]></kwd>
<kwd lng="en"><![CDATA[Fique]]></kwd>
<kwd lng="en"><![CDATA[Maize]]></kwd>
<kwd lng="en"><![CDATA[Lignocellulosic]]></kwd>
<kwd lng="en"><![CDATA[materials]]></kwd>
<kwd lng="en"><![CDATA[Freundlich]]></kwd>
<kwd lng="en"><![CDATA[Langmuir]]></kwd>
<kwd lng="en"><![CDATA[Remotion]]></kwd>
<kwd lng="en"><![CDATA[Contamination]]></kwd>
<kwd lng="en"><![CDATA[Biomaterials]]></kwd>
</kwd-group>
</article-meta>
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