<?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>0120-2804</journal-id>
<journal-title><![CDATA[Revista Colombiana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Quim.]]></abbrev-journal-title>
<issn>0120-2804</issn>
<publisher>
<publisher-name><![CDATA[Departamento de Química,  Universidad Nacional de Colombia.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-28042017000300037</article-id>
<article-id pub-id-type="doi">10.15446/rev.colomb.quim.v46n3.62146</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización de filtros comerciales para agua a base de carbón activado para el tratamiento de agua del río Tumbes - Perú]]></article-title>
<article-title xml:lang="en"><![CDATA[Characterization of water commercial filters based on activated carbon for water treatment of the Tumbes river - Peru]]></article-title>
<article-title xml:lang="pt"><![CDATA[Caracterização de carvão ativado de filtros comerciais para tratamento da água do rio Tumbes -Perú]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silupú]]></surname>
<given-names><![CDATA[Carmen R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solis]]></surname>
<given-names><![CDATA[Rosa L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[Gerardo J. F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[Mónica M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solis]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Keiski]]></surname>
<given-names><![CDATA[Riitta L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Piura Programa de Maestría en Ingeniería Ambiental ]]></institution>
<addr-line><![CDATA[Piura ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Tumbes Facultad de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Tumbes ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Tumbes Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[Tumbes ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional de Ingeniería Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,University of Oulu Faculty of Technology ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Finland</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>46</volume>
<numero>3</numero>
<fpage>37</fpage>
<lpage>45</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28042017000300037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28042017000300037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28042017000300037&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se caracterizaron y se evaluaron carbones activados comerciales (A, B, C y D) utilizados en filtros para el tratamiento de agua en la descontaminación de metales pesados presentes en agua de río y en la eliminacion de microorganismos coliformes; los carbones comerciales resultaron tener estructuras microporosas y mesoporosas. Se determinaron areas superficiales entre 705 y 906 m2/g. Los carbones fueron amorfos y se detectó la presencia de agentes antibacterianos, tales como Ag, Cl, Cu y Si. Se determinó que para el As y Pb, cuyas concentraciones iniciales en el agua contaminada (agua del Río Tumbes-Perú) fueron 56,7 y 224,0 &#956;g/L, respectivamente, el porcentaje de adsorción fue cercano al 100%. También se encontró que la relación entre el pH de carga cero de los carbones y pH del agua del río durante los experimentos juega un rol determinante en la adsorción de los elementos analizados. Por otro lado, la capacidad antibacteriana fue evaluada satisfactoriamente frente a las siguientes cepas de bacterias gram negativas fecales: Escherichia coli (ATCC® 25922&#8482;), Salmonella typhimurium (ATCC® 14028&#8482;) y Shigella flexneri (ATCC® 12022&#8482;). Esta capacidad se basa en la presencia superficial en los carbones de los agentes antibacterianos mencionados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Comercial activated carbon samples (A, B, C, and D) used in filters for the treatment of water were characterized and evaluated in the decontamination of heavy metals present in river water and in the elimination of coliform microorganisms. The carbon samples had microporous and mesoporous structures. Surface areas of between 705 and 906 m2/g were found. The carbon samples were amorphous and the presence of antibacterial agents such as Ag, Cl, Cu, and Si was detected. It was determined that for As and Pb, whose initial concentrations in contaminated water (water of the Tumbes river-Peru) were 56.7 and 224.0 &#956;g/L, respectively, the percentage of adsorption was close to 100%. The relationship between point of zero charge pH of the activated carbons and pH of the river water during the experiments plays a determinant role in the adsorption of the analyzed elements. The antibacterial capacity was evaluated satisfactorily against the following strains of fecal gram negative bacteria: Escherichia coli (ATCC® 25922&#8482;), Salmonella typhimurium (ATCC® 14028&#8482;), and Shigella flexneri (ATCC® 12022&#8482;). This ability is based on the surface presence in the carbons ofthe mentioned antibacterial agents.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Carvões ativados comerciais (A, B, C e D) usado em filtros para o tratamento de água foram caracterizados e avaliados na descontaminação de metais pesados da água do rio e para a remoção de microrganismos coliformes. Os carvões comerciais mostraram estruturas microporosas e mesoporosas. Foram determinadas as áreas superficiais entre 705 e 906 m2/g. As amostras de carvão foram amorfas e foi detectada a presença de agentes antibacterianos, tais como Ag, Cl, Cu e Si. Determinou-se que, no caso de As e Pb, cujas concentrações iniciais na água contaminada (água do rio Tumbes-Peru) foram de 56,7 e 224,0 &#956;g/L respectivamente, a taxa de adsorção foi de quase 100%. Também foi econtrado que e a relação entre o pH de carga zero dos carvões e o pH da água do rio durante as experiências desempenha um papel decisivo na adsorção dos elementos analisados. Além disso, a capacidade antibacteriana foi avaliada com sucesso contra as seguintes variedades de bactérias gram negativas de origem fecal: Escherichia coli (ATCC® 25922&#8482;), Salmonella typhimurium (ATCC® 14028&#8482;) e Shigella flexneri (ATCC® 12022&#8482;). Esta capacidade esta baseada na presença de agentes bacterianos na superfície dos carvões.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[carbón activado]]></kwd>
<kwd lng="es"><![CDATA[adsorción de As y Pb]]></kwd>
<kwd lng="es"><![CDATA[remoción de bacterias fecales]]></kwd>
<kwd lng="en"><![CDATA[activated carbon]]></kwd>
<kwd lng="en"><![CDATA[adsorption of As and Pb]]></kwd>
<kwd lng="en"><![CDATA[removal offecal bacteria]]></kwd>
<kwd lng="pt"><![CDATA[carvão ativado]]></kwd>
<kwd lng="pt"><![CDATA[adsorção de As e Pb]]></kwd>
<kwd lng="pt"><![CDATA[remoção de bactérias fecais]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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