<?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>1405-888X</journal-id>
<journal-title><![CDATA[TIP. Revista especializada en ciencias químico-biológicas]]></journal-title>
<abbrev-journal-title><![CDATA[TIP]]></abbrev-journal-title>
<issn>1405-888X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Zaragoza]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-888X2022000100103</article-id>
<article-id pub-id-type="doi">10.22201/fesz.23958723e.2022.428</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Subproducto de nanche (Byrsonima crassifolia): alternativa para la biosorción del cromo hexavalente]]></article-title>
<article-title xml:lang="en"><![CDATA[By-product of nanche (Byrsonima crassifolia): an alternative for the biosorption of hexavalent chromium]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sanchez-Silva]]></surname>
<given-names><![CDATA[Jonathan M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Estrada]]></surname>
<given-names><![CDATA[Ramsés R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Blancas-Benítez]]></surname>
<given-names><![CDATA[Francisco J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fonseca-Cantabrana]]></surname>
<given-names><![CDATA[Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Tecnológico Nacional de México Departamento de Ingeniería Química y Bioquímica ]]></institution>
<addr-line><![CDATA[Tepic Nayarit]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Tecnológico Nacional de México División de Estudios de Posgrado e Investigación ]]></institution>
<addr-line><![CDATA[Tepic Nayarit]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>25</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-888X2022000100103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-888X2022000100103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-888X2022000100103&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En el presente estudio se investigó la biosorción del cromo hexavalente [Cr (VI)] utilizando un subproducto del nanche (Byrsonima crassifolia) en soluciones acuosas mediante el método batch, se evaluaron parámetros como el pH de la solución, concentración inicial del Cr (VI), dosis del adsorbente, tamaño de la partícula y tiempo de contacto. Los resultados obtenidos demostraron que existe una mayor remoción del Cr (VI) con un pH ácido en la solución, utilizando un tamaño de partícula &lt; 2.00 mm y aumentando la dosis del adsorbente en la biosorción batch, además se obtuvo una remoción total del Cr (VI) bajo los siguientes parámetros: 50 mg /L de Cr (VI), 1 g de adsorbente/30 mL, pH: 2.0, tamaño de la partícula entre 2.00-2.38 mm y un tiempo de contacto de una hora. A partir del ajuste de los modelos cinéticos se determinó que el modelo Pseudo-segundo orden describe mejor la cinética de la adsorción. En general, el subproducto del nanche puede considerarse un adsorbente con la capacidad de remover al Cr (VI) de soluciones acuosas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the present study, the biosorption of hexavalent chromium [Cr (VI)] was investigated using a by-product of nanche (Byrsonima crassifolia) in aqueous solutions by the batch method, parameters such as solutions pH, initial concentration of Cr (VI), adsorbent dose, particle size and contact time were evaluated. The results obtained showed that there is a greater removal of Cr (VI) with an acidic pH in the solution, using a particle size &lt; 2.00 mm and increasing the adsorbent dose in batch biosorption, in addition, a total removal of Cr (VI) was obtained under the following parameters: 50 mg/L of Cr (VI), 1 g of adsorbent / 30 mL, pH: 2.0, particle size between 2.00-2.38 mm and a contact time of one hour. From the adjustment of kinetic models, it was determined that the Pseudo-second order model better describes the adsorption kinetics. In general, the by-product of nanche can be considered an adsorbent with the ability to remove Cr (VI) from aqueous solutions.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[biosorción]]></kwd>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="es"><![CDATA[subproductos]]></kwd>
<kwd lng="es"><![CDATA[contaminación]]></kwd>
<kwd lng="es"><![CDATA[agroindustria]]></kwd>
<kwd lng="en"><![CDATA[biosorption]]></kwd>
<kwd lng="en"><![CDATA[heavy metals]]></kwd>
<kwd lng="en"><![CDATA[by-products]]></kwd>
<kwd lng="en"><![CDATA[pollution]]></kwd>
<kwd lng="en"><![CDATA[agroindustry]]></kwd>
</kwd-group>
</article-meta>
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