<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992020000300703</article-id>
<article-id pub-id-type="doi">10.20937/rica.53218</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[SORPTION AND LEACHING OF METALS IN THE SOIL DUE TO APPLICATION OF DISSOLVED ORGANIC MATTER]]></article-title>
<article-title xml:lang="es"><![CDATA[ADSORCIÓN Y LIXIVIACIÓN DE METALES EN EL SUELO DEBIDO A LA APLICACIÓN DE MATERIA ORGÁNICA DISUELTA]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suszek Gonçalves]]></surname>
<given-names><![CDATA[Morgana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva Junior]]></surname>
<given-names><![CDATA[Luiz Carlos Santos Da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bettin]]></surname>
<given-names><![CDATA[João Paulo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kummer]]></surname>
<given-names><![CDATA[Larissa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Federal University of Technology-Paraná  ]]></institution>
<addr-line><![CDATA[Campo Mourão Paraná]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Federal University of Technology-Paraná  ]]></institution>
<addr-line><![CDATA[Francisco Beltrão Paraná]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Federal University of Technology-Paraná  ]]></institution>
<addr-line><![CDATA[Curitiba Paraná]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>36</volume>
<numero>3</numero>
<fpage>703</fpage>
<lpage>710</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992020000300703&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992020000300703&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992020000300703&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Agriculture is one of the most important nonpoint sources of soil contamination by heavy metals, and the presence of dissolved organic matter (DOM) in soil can influence the movement of metals. The objective of this research was to evaluate the effect of DOM on the sorption and leaching of copper (Cu) and zinc (Zn) in the soil. Clay soil samples collected at a 0-30 cm depth were used to conduct the experiments, and DOM was extracted from dairy cow manure. Soil tests to evaluaye sorption were carried out in the batch method, two treatments being considered: without the presence of DOM (control) and with the presence of DOM, in different concentrations of Cu and Zn. Experimental results were adjusted to models of the of Langmuir and Freundlich isotherms. In the leaching experiment, columns were filled with soil previously contaminated with Cu and Zn and the distilled water was passed through them; afterwards, the leachate was collected. The sorption of copper and zinc in the soil was greater in the presence of DOM, possibly by the availability of sorption sites and interactions of metals with the DOM structure. The leaching of copper in soil was facilitated by the application of DOM, which can enable large-scale contamination of groundwater. No differences were found in zinc leaching considering water or DOM, however this metal has high mobility in the soil under study.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La agricultura es una de las principales fuentes no puntuales de contaminación del suelo por metales pesados, y la presencia de materia orgánica disuelta (MOD) en el suelo puede influir en el movimiento de metales. El objetivo de este trabajo fue evaluar el efecto de la MOD en la sorción y lixiviación de cobre (Cu) y zinc (Zn) en el suelo. Para la realización de los experimentos se utilizaron muestras de suelo arcilloso recogidas a 0-30 cm de profundidad, y la MOD fue extraída de estiércol de bovinos de leche. Los ensayos de sorción en el suelo se llevaron a cabo por lotes, siendo considerados dos tratamientos: sin la presencia de MOD (control) y con la presencia de MOD, en diferentes concentraciones de Cu y Zn. Los resultados fueron ajustados a los modelos de isotermas de Langmuir y Freundlich. En el experimento de lixiviación, las columnas se llenaron con suelo previamente contaminado con Cu y Zn y después se pasaron MOD o agua destilada a través de dichas columnas; posteriormente se recogió el lixiviado. La sorción de cobre y zinc en el suelo fue más alta en presencia de MOD, posiblemente por la disponibilidad de sitios sortivos e interacciones de los metales con la estructura de la MOD. La lixiviación del cobre en el suelo fue facilitada por la aplicación de MOD, lo que a gran escala puede causar contaminación de aguas subterráneas. No se observaron diferencias en la lixiviación del cinc considerando agua o MOD; sin embargo, este metal presentó alta movilidad en el suelo en estudio.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[heavy metals]]></kwd>
<kwd lng="en"><![CDATA[pollutant transport]]></kwd>
<kwd lng="en"><![CDATA[isotherms]]></kwd>
<kwd lng="en"><![CDATA[cattle manure]]></kwd>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="es"><![CDATA[transporte de contaminantes]]></kwd>
<kwd lng="es"><![CDATA[isotermas]]></kwd>
<kwd lng="es"><![CDATA[estiércol bovino]]></kwd>
</kwd-group>
</article-meta>
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