<?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>1405-888X</journal-id>
<journal-title><![CDATA[TIP. Revista especializada en ciencias químico-biológicas]]></journal-title>
<abbrev-journal-title><![CDATA[TIP]]></abbrev-journal-title>
<issn>1405-888X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Zaragoza]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-888X2019000100210</article-id>
<article-id pub-id-type="doi">10.22201/fesz.23958723e.2019.0.190</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tendencias de la bioenergía: del metagenoma de hábitats ricos en azufre a la purificación del biogás]]></article-title>
<article-title xml:lang="en"><![CDATA[Trends in bioenergy: from the metagenoma of habitats rich in sulfur to the purification of biogas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Veana]]></surname>
<given-names><![CDATA[Fabiola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Purata]]></surname>
<given-names><![CDATA[Perla Yanet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wong-Paz]]></surname>
<given-names><![CDATA[Jorge Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Zárate]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñiz-Márquez]]></surname>
<given-names><![CDATA[Diana B]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Tecnológico Nacional de México Departamento de Ingenierías ]]></institution>
<addr-line><![CDATA[Ciudad Valles San Luis Potosí]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>22</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-888X2019000100210&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-888X2019000100210&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-888X2019000100210&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Gran cantidad de residuos generados por la agroindustria son considerados tanto para la obtención de productos útiles de mayor valor agregado como para reducir el impacto ambiental. Existen alternativas para evaluar estos desechos siendo la producción de bioenergía una solución de gran precedente, desde la producción de biodiesel, bioetanol y biogás hasta aprovechar la biomasa. La producción de biogás por metanogénesis es una alternativa para la generación de biocombustibles y energía. Sin embargo, surge un problema que puede generar daños en la planta industrial durante la producción del biogás, cuando se inhibe su proceso fermentativo por la presencia tóxica del sulfuro de hidrógeno y se presenta un aumento en la emisión de SOx (en concentraciones de hasta 658 ppmv). Dentro de los métodos de remoción de este compuesto se encuentra el biológico, a través de microorganismos por oxidación. El objetivo de esta revisión es exponer las tendencias del uso de microorganismos oxidantes de azufre en biotecnología ambiental, particularmente el papel de éstos en la purificación del biogás.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A large amount of wastes is generated by agro-industry and can be valorized to obtain useful products with higher added value, thus reducing environmental impact. There are alternatives to valorize these wastes and the production of bioenergy has been a great precedent, from the production of biodiesel, bioethanol and biogas that is possible by the use of biomass. Biogas production by methanogenesis is an alternative for the generating biofuels and energy. However, a problem arises during biogas production due to the presence of hydrogen sulfide (and other compounds), which is toxic and can damage the biogas plant (up concentrations of 658 ppmv), increase SOx emissions and inhibit the fermentation process of biogas production, so it is necessary to eliminate them. The biological removal method of this compound is included, by oxidization through microorganisms. The objective of this review is to expose the trends in the use of the microorganisms mentioned in environmental biotechnology, particularly their role in biogas purification.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[microorganismos oxidantes del azufre]]></kwd>
<kwd lng="es"><![CDATA[biometano]]></kwd>
<kwd lng="es"><![CDATA[metagenómica]]></kwd>
<kwd lng="es"><![CDATA[purificación biológica]]></kwd>
<kwd lng="es"><![CDATA[residuos agroindustriales]]></kwd>
<kwd lng="en"><![CDATA[agroindustrial wastes]]></kwd>
<kwd lng="en"><![CDATA[biological purification]]></kwd>
<kwd lng="en"><![CDATA[biomethane]]></kwd>
<kwd lng="en"><![CDATA[metagenomics]]></kwd>
<kwd lng="en"><![CDATA[sulfur oxidizing microorganisms]]></kwd>
</kwd-group>
</article-meta>
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