<?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>2007-2422</journal-id>
<journal-title><![CDATA[Tecnología y ciencias del agua]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnol. cienc. agua]]></abbrev-journal-title>
<issn>2007-2422</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Tecnología del Agua, Coordinación de Comunicación, Participación e Información]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-24222021000100001</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2021-01-01</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Capacidad de retención de hidrocarburos del endocarpio de coco en aguas aceitosas]]></article-title>
<article-title xml:lang="en"><![CDATA[Hydrocarbon holding capacity of the coconut endocarp in oily water]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marín-Velásquez]]></surname>
<given-names><![CDATA[Tomás Darío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cóndor-Salvatierra]]></surname>
<given-names><![CDATA[Edwin Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Innova Scientific SAC Departamento de Investigación Científica ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Barranca  ]]></institution>
<addr-line><![CDATA[Barranca ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<volume>12</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>36</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222021000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222021000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222021000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En la investigación en laboratorio se evaluó el uso de un material filtrante con base en endocarpio o cáscara de coco (Cocos nucifera) de forma granular para el tratamiento de aguas contaminadas con gasoil de petróleo. Se construyó un sistema de filtros con tubos PVC y se empacaron con el endocarpio, luego de que el mismo fuera triturado manualmente y tamizado a un diámetro de 2 mm. Se utilizaron cinco cantidades de material filtrante (75, 105, 135, 150 y 165 g) y tres concentraciones de gasoil en agua (5, 10 y 15 %). Las muestras de agua contaminada se dejaron fluir a través de los filtros de forma descendente por acción gravitacional y en cada filtrado se determinó la cantidad de aceites y grasas (AyG) a partir de normas internacionales. Los resultados se analizaron estadísticamente mediante ANOVA factorial y test de mínima diferencia significativa de Fisher. Los análisis estadísticos demostraron que existe influencia significativa de los dos factores (% gasoil y cantidad de material filtrante) sobre la variable respuesta en estudio (AyG) con un nivel de confianza de 95 %. Se demostró que el endocarpio de coco con el tamaño de granos utilizado es efectivo para la remoción de hidrocarburos en el agua, al lograrse porcentajes de remoción de 85.10, 84.23 y 82.10 %. Se obtuvo que a mayor cantidad del material filtrante, mayor es el grado de remoción con resultados estadísticamente significativos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In the research, the use of a granular filtering material, based on an endocarp or coconut shell (Cocos nucifera), was evaluated for the treatment of water contaminated with diesel at the laboratory level. A filter system with PVC tubes was built and packed with the endocarp after being crushed to a diameter of 2 mm. Five quantities of filter material (75, 105, 135, 150 and 165 g) and three concentrations of diesel oil in water (5, 10 and 15 %) were used. The samples of contaminated water were allowed to flow through the filters in a descending manner by gravitational action and each filtrate was determined the amount of oils and fats (AyG), by international standards. The results were analyzed statistically by factorial ANOVA and Fisher's minimal significant difference test. The statistical analyzes showed that there is a significant influence of the two factors (% diesel and amount of filtering material) on the response variable under study (AyG) with a confidence level of 95 %. It was demonstrated that the coconut endocarp with the grain size used, is effective for the removal of hydrocarbons in the water, achieving removal percentages of 85.10, 84.23 and 82.10 %. It was obtained that the greater the amount of filtering material, the greater the degree of removal with statistically significant results.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[agua contaminada]]></kwd>
<kwd lng="es"><![CDATA[hidrocarburos]]></kwd>
<kwd lng="es"><![CDATA[tratamiento]]></kwd>
<kwd lng="es"><![CDATA[filtración]]></kwd>
<kwd lng="es"><![CDATA[Cocos nucifera]]></kwd>
<kwd lng="en"><![CDATA[contaminated water]]></kwd>
<kwd lng="en"><![CDATA[hydrocarbons]]></kwd>
<kwd lng="en"><![CDATA[treatment]]></kwd>
<kwd lng="en"><![CDATA[filtration]]></kwd>
<kwd lng="en"><![CDATA[Cocos nucifera]]></kwd>
</kwd-group>
</article-meta>
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