<?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>S2223-48612022000200060</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[ANAEROBIC CO-DIGESTION OF SOLID WASTE FROM COFFEE BENEFIT, BANANA PSEUDO-STEM AND PIG MANURE: KINETIC, ENERGY AND ENVIRONMENTAL CRITERIA]]></article-title>
<article-title xml:lang="es"><![CDATA[CO-DIGESTIÓN ANAEROBIA DE RESIDUOS SÓLIDOS DEL BENEFICIO DEL CAFÉ, PSEUDOTALLO DE PLÁTANO Y EXCRETA PORCINA: CRITERIOS CINÉTICOS, ENERGÉTICOS Y AMBIENTALES]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garibaldi-Alcívar]]></surname>
<given-names><![CDATA[Katiuska Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montesdeoca-Pichucho]]></surname>
<given-names><![CDATA[Nilo Bayardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baquerizo-Crespo]]></surname>
<given-names><![CDATA[Ricardo José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliva-Merencio]]></surname>
<given-names><![CDATA[Denny]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Salcedo]]></surname>
<given-names><![CDATA[Yunet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereda-Reyes]]></surname>
<given-names><![CDATA[Ileana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Técnica de Manabí Instituto de Posgrado Maestría en Ingeniería Química]]></institution>
<addr-line><![CDATA[Portoviejo Manabí]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Técnica de Manabí (UTM) Facultad de Ciencias Matemáticas, Físicas y Químicas Carrera de Ingeniería Química]]></institution>
<addr-line><![CDATA[Portoviejo Manabí]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Tecnológica de La Habana José Antonio Echeverría (CUJAE) Facultad de Ingeniería Química Centro de Estudios de Tecnologías de Energías Renovables]]></institution>
<addr-line><![CDATA[Marianao La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Tecnológica de La Habana José Antonio Echeverría (CUJAE) Facultad de Ingeniería Química Centro de Estudios de Ingeniería de Procesos]]></institution>
<addr-line><![CDATA[Marianao La Habana]]></addr-line>
<country>Cuba</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>60</fpage>
<lpage>72</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612022000200060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612022000200060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612022000200060&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Anaerobic co-digestion promotes the dilution of toxic substances and improves the balance of nutrients in the process, which could increase the production of methane from solid waste from coffee processing (C). The pseudo-stem of banana (Bps) and pig manure (Pm) are two possible co-substrates produced in Ecuadorian agricultural sector.  Objective:  To evaluate the co-digestion of solid waste from coffee processing with banana pseudostem and pig manure in terms of methane production, energy potential and reduction of emissions.  Materials and Methods: The first order and Chapman expressions were the models for evaluating the methane potential and the kinetics of the process. Likewise, the mixing effects evaluation was through the practical criteria &#966;y, &#966;k, and &#966;tGrenz. The selected criteria for evaluating the feasibility of the proposals were: (i) avoided greenhouse gas emissions and (ii) gross energy.  Results and Discussion: The binary mixture with Bps increased the methane yield of solid coffee residues up to 317 NmLCH4/gVS. Likewise, the results of the anaerobic co-digestion of C+Pm indicated a gross energy production of 1514 kJ/1000 kg of treated waste.  Conclusions:  The methane yield in the digestion of solid residues from coffee benefit was lower compared to the mixtures evaluated. The C+Pm mixture presents the greatest potential for reducing GHG emissions and energy production.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La co-digestión anaerobia es una alternativa para mejorar la producción de metano de los residuos sólidos del beneficio del café. El pseudotallo de banano y el estiércol de cerdo son dos posibles co-sustratos producidos en el sector agrícola del Ecuador.  Objetivo:  Evaluar la co-digestión de los residuos sólidos del beneficio del café con el pseudotallo de banano y estiércol de cerdo en cuanto a la producción de metano, potencial energético y reducción de emisiones.  Materiales y Métodos:  Las expresiones de primer orden y de Chapman fueron los modelos para evaluar el potencial de metano y la cinética del proceso. Asimismo, la evaluación de los efectos de mezcla se realizó a través de los criterios prácticos &#966;y, &#966;k y &#966;tGrenz. Los criterios seleccionados para evaluar la factibilidad de las propuestas fueron: (i) emisiones de gases de efecto invernadero evitadas y (ii) energía bruta.  Resultados y Discusión:  La mezcla binaria con Bps incrementó el rendimiento de metano de los residuos sólidos de café hasta 317 NmLCH4/gVS. Asimismo, los resultados de la co-digestión anaerobia de C+Pm indicaron una producción bruta de energía de 1514 kJ/1000 kg de residuo tratado.  Conclusiones:  El rendimiento de metano en la digestión de los residuos sólidos del beneficio del café fue menor en comparación con las mezclas evaluadas. La mezcla C+Pm presenta el mayor potencial para reducir las emisiones de gases de efecto invernadero y la producción de energía.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[anaerobic digestion]]></kwd>
<kwd lng="en"><![CDATA[antagonism]]></kwd>
<kwd lng="en"><![CDATA[mixture experimental design]]></kwd>
<kwd lng="en"><![CDATA[synergism]]></kwd>
<kwd lng="es"><![CDATA[digestión anaerobia]]></kwd>
<kwd lng="es"><![CDATA[antagonismo]]></kwd>
<kwd lng="es"><![CDATA[diseño experimental de mezclas]]></kwd>
<kwd lng="es"><![CDATA[sinergismo]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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