<?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>S2223-48612020000200011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ESTIMACIÓN DEL POTENCIAL ENERGÉTICO DE LA TUSA EN LA PROVINCIA DE LOS RÍOS Y GUAYAS, ECUADOR]]></article-title>
<article-title xml:lang="en"><![CDATA[ESTIMATION OF THE ENERGY POTENTIAL OF CORN COB OF LOS RÍOS AND GUAYAS PROVINCES, ECUADOR]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martillo Aseffe]]></surname>
<given-names><![CDATA[José Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lesme Jaén]]></surname>
<given-names><![CDATA[René]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliva Ruíz]]></surname>
<given-names><![CDATA[Luis Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Católica de Santiago de Guayaquil Facultad Técnica para el Desarrollo ]]></institution>
<addr-line><![CDATA[Ecuador ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Oriente Facultad de Ingeniería Mecánica e Industrial Centro de Estudios de Energía y Refrigeración]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Oriente Facultad de Ingeniería Mecánica e Industrial Departamento de Manufactura y Materiales]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</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>47</volume>
<numero>2</numero>
<fpage>11</fpage>
<lpage>21</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612020000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612020000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612020000200011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  En el Ecuador la producción nacional de maíz supera el millón de toneladas métricas, siendo las provincias de Los Ríos y Guayas las de mayor producción, en ellas se concentran casi el 60 % de las áreas cosechadas y el 75 % de la producción. Durante el proceso de cosecha y separación de granos de maíz se obtienen residuos tales como tusas, hojas, raíces y tallos. De todos estos residuos, la tusa no tiene un valor de uso y es importante valorar sus potencialidades como combustible energético.  Objetivo:  En el presente se realiza una estimación del potencial energético de la tusa (Giga Joule/hectárea o kWh/ha) en las provincias de Los Ríos y Guayas.  Materiales y Métodos:  La metodología empleada consiste en la evaluación experimental de los coeficientes y volúmenes de residuos generados y la caracterización energética de la tusa como combustible para evaluar su poder calorífico.  Resultados y Discusión: Como resultado se obtuvo que en las provincias de Los Ríos y Guayas durante la cosecha de maíz se generan 0,186 ton de tusas/ton de maíz con un potencial de 15,72 GJ/ha por cosecha.  Conclusiones: En las provincias de Los Ríos y Guayas la cosecha de maíz genera 0,741 ton de tallos/ton de maíz, 0,277 ton de raíces/ton de maíz, 0,461 ton de hojas/ton de maíz y 0,186 ton de tusas/ton de maíz, para un total de 1,992 ton de residuos/ton de maíz. El potencial energético de la tusa en es de 15,72 GJ/ha por cosecha.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Corn national production in Ecuador exceeds one million metric tons, Los Ríos and Guayas provinces have highest production where almost 60% of the harvested areas and 75% of the production are being concentrated. During harvesting process and corn grains separating, residues such as corn cobs, leaves, roots and stems are obtained. Of all these wastes corn cob does not have a use value and it is important to assess its potential as energy fuel.  Objective: To carry out an estimation of corn cobs energetic potential in Los Ríos and Guayas provinces  Materials and Methods:  The used methodology consists in an experimental evaluation of coefficients (relation between residue and grain weight) and volumes of generated waste. The energy characterization of corn cobs as fuel were done, and its calorific value was evaluated.  Results and Discussion:  It was obtained that in Los Ríos and Guayas provinces, during corn harvest, 0.186 corn cobs tons / corn ton are generated, with an energy potential of 15.72 GJ/ha in each harvest.  Conclusions:  In Los Ríos and Guayas provinces, the corn harvest generates 0.741 stalks tons/ton of corn, 0.277 roots tons/corn ton, 0.461 leaves tons/corn tons and 0.186 corn cobs tons/corn tons, for 1.992 waste tons/corn ton. The corn cobs energy potential is 15.72 GJ/ha per harvest.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[biomasa]]></kwd>
<kwd lng="es"><![CDATA[energía]]></kwd>
<kwd lng="es"><![CDATA[residuos]]></kwd>
<kwd lng="en"><![CDATA[biomass]]></kwd>
<kwd lng="en"><![CDATA[energy]]></kwd>
<kwd lng="en"><![CDATA[wastes]]></kwd>
</kwd-group>
</article-meta>
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