<?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>0123-3475</journal-id>
<journal-title><![CDATA[Revista Colombiana de Biotecnología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. biotecnol]]></abbrev-journal-title>
<issn>0123-3475</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biotecnología, Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-34752020000200070</article-id>
<article-id pub-id-type="doi">10.15446/rev.colomb.biote.v22n2.70345</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Co-digestión anaerobia de la fracción orgánica de residuos sólidos urbanos y su lixiviado]]></article-title>
<article-title xml:lang="en"><![CDATA[Anaerobic co-digestion of the organic fraction of urban solid waste and its leachate]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benítez Fonseca]]></surname>
<given-names><![CDATA[Mabelín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abafos Rodríguez]]></surname>
<given-names><![CDATA[Arelis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Pérez]]></surname>
<given-names><![CDATA[Suyén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Vives]]></surname>
<given-names><![CDATA[Florina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de investigaciones de Energía Solar  ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Oriente  ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento de Biotecnología ]]></institution>
<addr-line><![CDATA[Iztapalapa D.F]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>22</volume>
<numero>2</numero>
<fpage>70</fpage>
<lpage>81</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-34752020000200070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-34752020000200070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-34752020000200070&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los residuos sólidos urbanos (RSU), al ser vertidos sin tratamiento apropiado, ocasionan daños severos al medio ambiente influyendo en la calidad de vida de la población; por esta razón actualmente se le presta atención al adecuado manejo de estos residuos. En este trabajo se estudia la reducción de la fracción orgánica (FORSU), de residuos sólidos generados por un grupo poblacional, tomando como referente una de las residencias estudiantiles de la Universidad de Oriente. La generación de FORSU en la residencia es de 0,06 kg/habdía, con un contenido de sólidos totales de 30,9 ± 5,3 %, de los cuáles el 81,7 ± 0,6 % son sólidos volátiles. Se evalúa la digestión anaerobia la FORSU, mediante un sistema de tratamiento en dos etapas. La primera etapa se realiza en un reactor en lote de lecho escurrido, que permitió un tratamiento discontinuo e in situ de la FORSU, en co-digestión anaerobia con un 25 % de estiércol vacuno. En una segunda etapa, se evalúa el tratamiento anaerobio para los lixiviados que se generan en el reactor en lote, empleando un reactor UASB. En el reactor en lote se alcanzó una remoción de sólidos volátiles del 44,1 %, mientras que en el reactor UASB se removió un 81,2 % de DQO. Como resultado la evaluación del sistema de tratamiento, se alcanzó una productividad total de 5,37 LCH4-kgSV -1-d-1.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Urban solid waste (MSW), when are discharged without proper treatment, causes severe damage to the environment, influencing the population's quality of life. For this reason, attention is currently paid to the proper handling of this waste. This paper studies the reduction of the organic fraction of solid waste (OFMSW), generated by a population group, taking as reference one of the Student Residences of the Universidad de Oriente. The generation of OFMSW in the residence is 0.06 kg/inhabday, with a total solid content of 30.9 ± 5.3%, of which 81.7 ± 0.6% are volatile solids. The anaerobic digestion of OFMSW is evaluated through a two-stage treatment system. The first stage is performed in a drained-bed batch reactor, which allowed discontinuous and in-situ treatment of OFMSW, in anaerobic co-digestion with 25% of cow manure. In a second stage, the anaerobic treatment for the leachates generated in the batch reactor is evaluated, using a UASB reactor. In the batch reactor a removal of volatile solids of 44.1% was achieved, while in the UASB reactor 81.2% of COD was removed. As a result of the evaluation of the treatment system, total productivity of 5.37 L CH4 -kgSV -1-d-1 was achieved.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tratamiento anaeróbico]]></kwd>
<kwd lng="es"><![CDATA[co-digestión]]></kwd>
<kwd lng="es"><![CDATA[lixiviados]]></kwd>
<kwd lng="es"><![CDATA[lecho escurrido]]></kwd>
<kwd lng="es"><![CDATA[remoción de sólidos]]></kwd>
<kwd lng="en"><![CDATA[anaerobic treatment]]></kwd>
<kwd lng="en"><![CDATA[co-digestion]]></kwd>
<kwd lng="en"><![CDATA[leachate]]></kwd>
<kwd lng="en"><![CDATA[drained bed]]></kwd>
<kwd lng="en"><![CDATA[solids removal]]></kwd>
<kwd lng="en"><![CDATA[methane productivity]]></kwd>
</kwd-group>
</article-meta>
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