<?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>2224-5421</journal-id>
<journal-title><![CDATA[Revista Cubana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cub Quim]]></abbrev-journal-title>
<issn>2224-5421</issn>
<publisher>
<publisher-name><![CDATA[Ediciones UO, Universidad de Oriente]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2224-54212019000300452</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comportamiento de un humedal subsuperficial en la depuración de aguas oleosas. Cinética de remoción de DQO]]></article-title>
<article-title xml:lang="en"><![CDATA[Subsurface wetland performance in the purification of oily waters. Kinetics of DQO removal]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Roche]]></surname>
<given-names><![CDATA[Yaribey Mayusca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Villar]]></surname>
<given-names><![CDATA[Maira María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Nodal]]></surname>
<given-names><![CDATA[Pastora de la C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pedrozo-Alfonso]]></surname>
<given-names><![CDATA[Julio César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central Marta Abreu de Las Villas Centro de Estudio de Química Aplicada ]]></institution>
<addr-line><![CDATA[Villa Clara ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>31</volume>
<numero>3</numero>
<fpage>452</fpage>
<lpage>462</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2224-54212019000300452&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2224-54212019000300452&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2224-54212019000300452&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En el presente trabajo se evaluó la remoción de materia orgánica y grasas, aceites e hidrocarburos en las aguas residuales oleosas de la Central Eléctrica fuel oil Santa Clara Industrial ¨Los Alevines¨, mediante un humedal subsuperficial experimental. Primeramente se realizó la caracterización de las aguas residuales efluentes del tratamiento primario, instalado actualmente en la entidad, comprobándose queno cumplen con la Norma Cubana de Vertimiento NC: 27/2012. Se realizó el montaje del sistema experimental que consistió en una columna rellena con bagazo de caña, evaluada anteriormente, como tratamiento secundario y el humedal subsuperficial como tratamiento terciario, obteniéndose una eficiencia de remoción en el humedal de 68% para la DQO y superior a 35 % para las grasas, aceites e hidrocarburos. Se realizó además el estudio cinético de la remoción de la DQO en el humedal experimental, obteniéndose un mejor ajuste de los datos experimentales al modelo cinético de primer orden con una constante cinética de 2,002 d-1.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In the present research, the removal of organic matter and fats, oils and hydrocarbons in the oil wastewater effluent of plant for generating electric power &#8220;Santa Clara Industrial Los Alevines&#8221; was evaluated by means of an experimental subsurface wetland. The first step was to characterize the effluent wastewater from the primary treatment, currently installed in the entity, proving that they do not conform with the Cuban Dumping Standard NC: 27/2012. The experimental system was assembled consisting of a column filled with sugarcane bagasse, previously evaluated, as secondary treatment and the subsurface wetland as tertiary treatment, obtaining a removal efficiency in the wetland of 68 % for COD and over 35 % for fats, oils and hydrocarbons. A kinetic study of the removal of COD in the experimental wetland was also carried out, obtaining a better adjustment of the experimental data to the first-order kinetic model with a kinetic constant of 2,002 d-1.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[humedales subsuperficiales]]></kwd>
<kwd lng="es"><![CDATA[aguas oleosas]]></kwd>
<kwd lng="es"><![CDATA[Cyperus Alternifolius]]></kwd>
<kwd lng="en"><![CDATA[subsurface wetlands]]></kwd>
<kwd lng="en"><![CDATA[oily waters]]></kwd>
<kwd lng="en"><![CDATA[Cyperus Alternifolius]]></kwd>
</kwd-group>
</article-meta>
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