<?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>2223-4861</journal-id>
<journal-title><![CDATA[Centro Azúcar]]></journal-title>
<abbrev-journal-title><![CDATA[cen. az.]]></abbrev-journal-title>
<issn>2223-4861</issn>
<publisher>
<publisher-name><![CDATA[Editorial Feijóo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2223-48612022000300057</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[HUMEDALES CONSTRUIDOS BIOACTIVADOS CON MICROORGANISMOS EFICIENTES: UNA VÍA PARA LA GESTIÓN DE RESIDUALES EN EL MATADERO CHICHÍ PADRÓN]]></article-title>
<article-title xml:lang="en"><![CDATA[BIOACTIVATED CONSTRUCTED WETLANDS WITH EFFICIENT MICROORGANISMS: A WAY FOR WASTEWATERS MANAGEMENT AT CHICHÍ PADRÓN SLAUGHTERHOUSE]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esperanza Pérez]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez Prieto]]></surname>
<given-names><![CDATA[Yamell]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rasúa]]></surname>
<given-names><![CDATA[María del C. Manrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas Facultad de Química y Farmacia Centro de Estudios de Química Aplicada]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Empresa Cárnica Villa Clara  ]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>49</volume>
<numero>3</numero>
<fpage>57</fpage>
<lpage>68</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612022000300057&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612022000300057&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612022000300057&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Los humedales construidos son tecnologías &#8220;verdes&#8221;, sencillas, asequibles, y eficientes para el tratamiento de varios tipos de aguas residuales que, comparadas con los sistemas convencionales, ofrecen un enfoque respetuoso con el medio ambiente, tienen bajos costos, y un elevado potencial para ser aplicadas preferentemente en países en vías de desarrollo.  Objetivo: Evaluar la eficiencia de humedales de flujo subsuperficial horizontal bioactivados con microorganismos eficientes, en la remoción de materia orgánica y otros contaminantes presentes en aguas residuales del matadero Chichí Padrón.  Materiales y Métodos: Fueron construidos cuatro sistemas de humedales, sembrados con Cyperus Alternifolius, utilizando como sustratos combinaciones de suelo pardo, grava de caliza, zeolita, y arena de rio. Se empleó un diseño factorial 23 para evaluar la influencia del tiempo de retención hidráulico, la activación con microorganismos, y el tipo de sustrato sobre laeficiencia en la eliminación de los contaminantes.  Resultados y Discusión: Se caracterizaron los residuales del proceso productivo, estudiándose los valores históricos del último decenio. La eficiencia máxima de remoción se logró en los sistemas S2 bioactivados, para 96 horas, i.e. 96 % para la DQO, 96,4 % para la DBO5, y 94 % para grasas y aceites. Se obtuvieron además los modelos matemáticos que describen la relación variable entrada-respuesta, con elevados coeficientes de correlación (0,95-0,99).  Conclusiones: El empleo de humedales de flujo subsuperficial puede considerarse un método eficiente para el tratamiento de aguas residuales generadas en mataderos, lográndose elevados niveles de remoción de sus contaminantes, y efluentes compatibles con las regulaciones ambientales cubanas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Constructed wetlands are simple, affordable, and efficient &#8220;green&#8221; technologies for the treatment of various types of wastewater that, compared to conventional systems, offer an environmentally friendly approach, have low costs, and high potential for application preferably in developing countries.  Objective: To evaluate the efficiency of horizontal subsurface flow wetlands bioactivated with efficient microorganisms in the removal of organic matter and other contaminants present in wastewater from the Chichí Padrón slaughterhouse.  Materials and Methods: Four wetland systems were constructed, planted with Cyperus Alternifolius, using combinations of brown soil, limestone gravel, zeolite, and river sand as substrates. A 23 factorial design was used to evaluate the influence of hydraulic retention time, activation with microorganisms, and the type on pollutant removal efficiency.  Results and Discussion: The waste from the production process were characterized, and the historical values &#8203;&#8203;of the last decade were studied. The maximum removal efficiency was achieved in the bioactivated S2 systems, for 96 hours, i.e. 96% for COD, 96.4% for BOD5, and 94% for fats and oils. Mathematical models describing the variable input-response variable relationship were also obtained, with high correlation coefficients (0.95-0.99).  Conclusions: The use of subsurface flow wetland systems can be considered an efficient method for the treatment of wastewater generated in slaughterhouses, achieving high levels of pollutant removal and effluents compatible with the Cuban environmental regulations.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aguas residuales]]></kwd>
<kwd lng="es"><![CDATA[DBO5]]></kwd>
<kwd lng="es"><![CDATA[DQO]]></kwd>
<kwd lng="es"><![CDATA[humedales]]></kwd>
<kwd lng="es"><![CDATA[mataderos]]></kwd>
<kwd lng="es"><![CDATA[microorganismos eficientes]]></kwd>
<kwd lng="en"><![CDATA[wastewaters]]></kwd>
<kwd lng="en"><![CDATA[BOD5]]></kwd>
<kwd lng="en"><![CDATA[COD]]></kwd>
<kwd lng="en"><![CDATA[wetlands]]></kwd>
<kwd lng="en"><![CDATA[slaughterhouses]]></kwd>
<kwd lng="en"><![CDATA[efficient microorganisms]]></kwd>
</kwd-group>
</article-meta>
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