<?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>2071-0054</journal-id>
<journal-title><![CDATA[Revista Ciencias Técnicas Agropecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cie Téc Agr]]></abbrev-journal-title>
<issn>2071-0054</issn>
<publisher>
<publisher-name><![CDATA[Universidad Agraria de La Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2071-00542020000200032</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Energetic and Environmental Integration in Factories of Sugar Cane Byproducts]]></article-title>
<article-title xml:lang="es"><![CDATA[Integración energética y ambiental de las fábricas de subproductos de la caña de azúcar]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso-Estrada]]></surname>
<given-names><![CDATA[Dania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-de los Ríos]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zhan]]></surname>
<given-names><![CDATA[Dongrui]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jian]]></surname>
<given-names><![CDATA[Jinghai]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Qi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Saihua]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Cuban Research Institute of Sugar Cane By-products  ]]></institution>
<addr-line><![CDATA[ Havana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Dongguan Biorefinery Engineering Research Center Tsinghua Innovation Center ]]></institution>
<addr-line><![CDATA[Dongguan ]]></addr-line>
<country>China</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>29</volume>
<numero>2</numero>
<fpage>32</fpage>
<lpage>41</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2071-00542020000200032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2071-00542020000200032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2071-00542020000200032&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Anaerobic treatment is an alternative to treat residual of the ethanol production process to produce biogas as renewable energy. The purpose of this study is the use of Microsoft Excel, Solver and SolverTable add-ins for the simulation of processes in an agroindustrial complex. It is formed by a torula yeast plant that operates with vinasse as a carbon source and the production of biogas using digesters of the UASB type for the management of some vinasse and the residual of the process of torula yeast production. The study considers an ethanol production capacity of 90,000 L/d and a maximum yeast production of 30 t/d. The results show that the energy demand of a production of 17 t/d of yeast can be satisfied by the generation of biogas and a waste out COD concentration between 11 and 17 kg/m3.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El tratamiento anaeróbico es una alternativa de tratamiento del residuo del proceso de producción de etanol para producir biogás como energía renovable. El propósito de este estudio es la simulación con Microsoft Excel y los complementos Solver y SolverTable de un complejo agroindustrial formado por una planta de levadura torula que opera con vinaza como fuente de carbono y la producción de biogás utilizando digestores del Tipo UASB para el manejo de una parte de la vinaza y el residuo del proceso de producción de levadura torula. El estudio considera una capacidad de producción de etanol de 90,000 L / dy una producción máxima de levadura de 30 t/d. Los resultados muestran que la demanda de energía de una producción de 17 t/d de levadura puede satisfacerse mediante la generación de biogás y se obtiene una concentración de DQO a la salida que oscila entre 11 y 17 kg / m3.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[bioethanol waste]]></kwd>
<kwd lng="en"><![CDATA[torula yeast waste]]></kwd>
<kwd lng="en"><![CDATA[biogas]]></kwd>
<kwd lng="es"><![CDATA[residuos de bioetanol]]></kwd>
<kwd lng="es"><![CDATA[residuos de levadura torula]]></kwd>
<kwd lng="es"><![CDATA[biogás]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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