<?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>S2223-48612020000200042</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[DESCOMPOSICIÓN TERMOGRAVIMÉTRICA DE LOS RESIDUOS SÓLIDOS DE TOMATE: CONVERSIÓN Y ENERGÍA DE ACTIVACIÓN]]></article-title>
<article-title xml:lang="en"><![CDATA[THERMOGRAVIMETRIC DECOMPOSITION OF SOLID TOMATO WASTES: CONVERSION AND ACTIVATION ENERGY]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerra Reyes]]></surname>
<given-names><![CDATA[Yanet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos Robaina]]></surname>
<given-names><![CDATA[Boris Abel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguiar Trujillo]]></surname>
<given-names><![CDATA[Leonardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Pinar del Río &#8220;Hermanos Saíz Montes de Oca&#8221; Facultad de Ciencias Técnicas Departamento Ingeniería Mecánica]]></institution>
<addr-line><![CDATA[Pinar del Río ]]></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>42</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612020000200042&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612020000200042&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612020000200042&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  En la fábrica de conservas &#8220;La Conchita&#8221; se generan anualmente alrededor de 83,27 t de residuos sólidos, que pueden tener aplicaciones energéticas como la pirólisis.  Objetivo:  Determinar la conversión y parámetros cinéticos del proceso.  Materiales y Métodos:  Para analizar todos los resultados se utilizó el software Design-Expert® Versión 7, utilizando un grado de significación del 95 %. A la muestra se le realizó el análisis inmediato, a partir de los mismos se predice el análisis elemental y se calculó el poder calórico superior, obteniéndose 16 553 kJ/kg.  Resultados y Discusión:  En los experimentos dinámicos se obtuvo que el 80 % de la descomposición térmica se produce fundamentalmente entre los 250 ºC y 450 ºC y la tasa máxima de pérdida de peso en la pirólisis ocurre entre 310 ºC y 350 ºC. Debido a la influencia no significativa de los factores sobre la conversión, se puede tomar un valor medio de 79,31 %. La energía de activación media es 236,62 kJ/mol, la cual alcanza los mayores valores en las zonas de mayor descomposición y el factor de frecuencia varía de 182 s-1 a 547 s-1.  Conclusiones:  El 80 % de la descomposición térmica ocurre entre los 250 ºC y 450 ºC y la conversión, toma un valor medio de 79,31 %, con una energía de activación media de 236,62 kJ/mol toma un valor medio de 79,31 %, con una energía de activación media de 236,62 kJ/mol y el factor de frecuencia varía de 182 s-1 a 547 s-1.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  In "La Conchita" Cannery are generated annually around 83.27 tonnes of solid waste, which can have energy applications such as pyrolysis.  Objective:  To obtain process conversion and kinetic parameters.  Materials and Methods:  Design-Expert® Version 7 software was used to analyze all results, using a significance level of 95 %. The sample was analyzed by proximate analysis, predicting elemental analysis. Higher heating value was calculated, obtaining a value of 16 553 kJ/kg.  Results and Discussion: From dynamic experiments, 80 % of thermal decomposition occurs mainly between 250 ºC and 450 ºC. Maximum weight loss rate in pyrolysis occurs between 310 ºC and 350 ºC. A conversion average value of 79.31 % was taken due to non-significant factors influence. Average activation energy is 236.62 kJ/mol, which reaches the highest values in the range of greatest decomposition. Frequency factor varies from 182 s-1 to 547 s-1.  Conclusions:  The 80 % of thermal decomposition occurs between 250 ºC and 450 ºC. The average value of conversion is 79.31 % and average activation energy is 236.62 kJ/mol. Frequency factor varies from 182 s-1 to 547 s-1.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[conversión]]></kwd>
<kwd lng="es"><![CDATA[descomposición termogravimétrica]]></kwd>
<kwd lng="es"><![CDATA[energía de activación]]></kwd>
<kwd lng="en"><![CDATA[conversion]]></kwd>
<kwd lng="en"><![CDATA[thermogravimetric decomposition]]></kwd>
<kwd lng="en"><![CDATA[energy of activation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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