<?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>S2223-48612022000200035</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[DISEÑO DEL PROCESO DE OBTENCIÓN DE BIOETANOL CARBURANTE MEDIANTE HIDRÓLISIS ENZIMÁTICA DEL BAGAZO DE CAÑA EN PASTAZA]]></article-title>
<article-title xml:lang="en"><![CDATA[PROCESS DESIGN FOR OBTAINING BIOETHANOL FUEL BY ENZYMATIC HYDROLYSIS OF CANE BAGASSE IN THE PASTAZA PROVINCE]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casco-Méndez]]></surname>
<given-names><![CDATA[Gladys María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Diéguez-Santana]]></surname>
<given-names><![CDATA[Karel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarduy-Pereira]]></surname>
<given-names><![CDATA[Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vinocunga-Pillajo]]></surname>
<given-names><![CDATA[Reni Danilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pomavilla-Guaminga]]></surname>
<given-names><![CDATA[Shirley Isamar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Martínez]]></surname>
<given-names><![CDATA[Amaury]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Estatal Amazónica Facultad Ciencias de la Tierra ]]></institution>
<addr-line><![CDATA[Puyo Pastaza]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Estatal Amazónica Facultad Ciencias de la Vida ]]></institution>
<addr-line><![CDATA[Puyo Pastaza]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Unidad Educativa Fiscomisional Cristóbal Colón  ]]></institution>
<addr-line><![CDATA[Mera Pastaza]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>49</volume>
<numero>2</numero>
<fpage>35</fpage>
<lpage>46</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612022000200035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612022000200035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612022000200035&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La escasez de combustibles fósiles implica la búsqueda de nuevas fuentes de energía para sustituir al petróleo. El bagazo generado a partir de la caña de azúcar contiene residuos lignocelulósicos del cual se puede obtener bioetanol carburante mediante hidrolisis enzimática.  Objetivo: El objetivo de este trabajo es diseñar el proceso de obtención de bioetanol carburante mediante hidrolisis enzimática del bagazo de caña de azúcar en el software SuperPro Designer.  Materiales y Métodos: Se utilizó un procedimiento secuencial el cual abarca todos los aspectos que se deben considerar para el diseño óptimo de una planta industrial. Se empleó el programa SuperPro Designer V. 10.0 para el diseño y simulación del proceso. Se definió el modo de operación continuo (Operación anual de 7 920 horas, 24 horas en 330 días).  Resultados y Discusión: Las cantidades de bagazo de caña con los indicadores económicos más rentables son de 72 t, 90 t, 108 t, 126 t y 144 t de bagazo de caña y una tasa de retorno interna entre de 9.14% para 72 t hasta 31.33% en 144 t de bagazo. Las cantidades inferiores a 54 t de bagazo de caña reportan un valor actual neto negativo. Por lo tanto, estas cantidades no son procesos rentables.  Conclusiones: Los indicadores económicos con mayor rentabilidad se encuentran en el rango 64 t hasta 144 t de bagazo de caña.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: The shortage of fossil fuels implies the new sources of energy to replace it search. The bagasse generated from sugar cane contains lignocellulosic residues from which fuel bioethanol can be obtained by enzymatic hydrolysis.  Objective: This work aims to design the process for obtaining fuel bioethanol by enzymatic hydrolysis of sugarcane bagasse using the SuperPro Designer software.  Materials and Methods: A sequential procedure was used which covers all the aspects that must be considered for the optimal design of an industrial plant. The SuperPro Designer V. 10.0 program was used for the process design and simulation. Continuous operation mode was defined (Annual operation of 7.920 hours, 24 hours in 330 days).  Results and Discussion: The quantities of cane bagasse with the most profitable economic indicators are 72 t, 90 t, 108 t, 126 t, and 144 t of cane bagasse and an internal rate of return between 9.14% for 72 t to 31.33% in 144 t of bagasse. Quantities less than 54 t of sugarcane bagasse report a negative net present value. Therefore, these quantities not generate profitable processes.  Conclusions: The economic indicators with the highest profitability are between 64 t to 144 t of sugarcane bagasse.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bagazo de caña]]></kwd>
<kwd lng="es"><![CDATA[bioetanol combustible]]></kwd>
<kwd lng="es"><![CDATA[simulación]]></kwd>
<kwd lng="es"><![CDATA[proceso tecnológico]]></kwd>
<kwd lng="es"><![CDATA[SuperPro Designer]]></kwd>
<kwd lng="en"><![CDATA[cane bagasse]]></kwd>
<kwd lng="en"><![CDATA[bioethanol fuel]]></kwd>
<kwd lng="en"><![CDATA[simulation]]></kwd>
<kwd lng="en"><![CDATA[technological process]]></kwd>
<kwd lng="en"><![CDATA[SuperPro Designer]]></kwd>
</kwd-group>
</article-meta>
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