<?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>S2223-48612022000400048</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[COMPORTAMIENTO DE LA HUMEDAD, LA MASA ORGÁNICA Y EL CALOR ESPECÍFICO DE COMBUSTIÓN DEL MARABÚ ALMACENADO]]></article-title>
<article-title xml:lang="en"><![CDATA[BEHAVIOR OF MOISTURE, ORGANIC MASS AND HEAT VALUE OF STORED MARABOU]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubio-González]]></surname>
<given-names><![CDATA[Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central "Marta Abreu" de Las Villas Facultad de Ingeniería Mecánica e Industrial Centro de Estudios Energéticos y Tecnologías Ambientales]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>49</volume>
<numero>4</numero>
<fpage>48</fpage>
<lpage>57</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612022000400048&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612022000400048&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612022000400048&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: En la etapa de puesta en marcha de la bioeléctrica Ciro Redondo, ubicada en Ciego de Ávila, Cuba, se ha presentado un comportamiento no previsto en las propiedades como combustible del marabú, Dichrostachys cinera (L.), utilizado para su operación en períodos de no zafra azucarera. Esto ha estado relacionado con la humedad, la masa y el calor específico de combustión, lo que ha creado dificultades en la operación de las calderas.  Objetivo: El presente trabajo tiene como objetivo determinar el comportamiento de la humedad, la masa orgánica y el calor específico de combustión del marabú cosechado con máquinas, con el tiempo de almacenamiento, para prever su impacto en la operación de las calderas.  Materiales y métodos: El estudio se basó en la conformación de tres pilas de marabú que permanecieron almacenadas durante 41 días y semanalmente se tomaron muestras para evaluaciones de humedad, contenido de ceniza y calor específico de combustión.  Resultados y discusión: Se encontró la forma en que disminuyen la humedad y la masa orgánica y la forma en que se incrementa el calor de combustión con el tiempo de almacenamiento, así como el tiempo tope de su aumento y comienzo de su disminución.  Conclusiones: Se determinó el comportamiento de la humedad, la masa orgánica y el calor específico de combustión inferior (bs) del marabú cosechado con máquinas, con el tiempo de almacenamiento. Estos nuevos conocimientos permiten predecir efectos en el trabajo de las calderas para tomar previsiones y garantizar su correcta operación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: In the commissioning stage at Ciro Redondo bioelectric power plant, located in Ciego de Ávila, Cuba, an unforeseen behavior has occurred with the properties of marabou, Dichrostachys cinera (L.), used for its operation in periods of no sugar harvest. This has been related to moisture, mass and heat value, which has created difficulties in boiler operation.  Objective: The objective of this work is to determine the behavior of the moisture, the organic mass and the heat value of the marabou harvested with machines, in its storage time, to predict its impact the performance of the boilers.  Materials and methods: The study was based on the arrangement of three piles of marabou that remained stored for 41 days and from which samples were taken weekly for evaluating its humidity, ash content and heat value.  Results and Discussion: The way in which the humidity and the organic mass decrease and the way in which the heat value increases with storage time, as well as the top time of its increase and the beginning of its decrease, were found.  Conclusions: The behavior of the moisture, the organic mass and the lower heat value of the marabou harvested with machines, after being stored for a time, were determined. This new knowledge makes it possible to predict effects on the work of the boilers in order to take precautions and guarantee their correct operation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[almacenamiento de biomasa]]></kwd>
<kwd lng="es"><![CDATA[biomasa combustible]]></kwd>
<kwd lng="es"><![CDATA[marabú]]></kwd>
<kwd lng="en"><![CDATA[biomass storage]]></kwd>
<kwd lng="en"><![CDATA[fuel biomass]]></kwd>
<kwd lng="en"><![CDATA[marabou]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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