<?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>0121-750X</journal-id>
<journal-title><![CDATA[Ingeniería]]></journal-title>
<abbrev-journal-title><![CDATA[ing.]]></abbrev-journal-title>
<issn>0121-750X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Distrital Francisco José de Caldas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-750X2021000300367</article-id>
<article-id pub-id-type="doi">10.14483/23448393.17783</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Escenario técnico y económico para la valorización integral a pequeña escala de residuos de naranja en Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Technical and Economic Scenario for the Integral Small-Scale Valorization of Orange Waste in Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bedoya Betancur]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Amar Gil]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrera Zapata]]></surname>
<given-names><![CDATA[Rolando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arriola Villaseñor]]></surname>
<given-names><![CDATA[Erasmo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ardila Arias]]></surname>
<given-names><![CDATA[Alba Nelly]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Facultad de Ingeniería Grupo CERES Agroindustria e Ingeniería]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Politécnico Colombiano Jaime Isaza Cadavid Grupo de Investigación en Catálisis Ambiental y Energías Renovables (CAMER) ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Antioquia Facultad de Ingeniería Grupo CERES Agroindustria e Ingeniería]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Politécnico Colombiano Jaime Isaza Cadavid Grupo de Investigación en Catálisis Ambiental y Energías Renovables (CAMER) ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Politécnico Colombiano Jaime Isaza Cadavid Grupo de Investigación en Catálisis Ambiental y Energías Renovables (CAMER) ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>26</volume>
<numero>3</numero>
<fpage>367</fpage>
<lpage>380</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-750X2021000300367&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-750X2021000300367&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-750X2021000300367&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Contexto:  Se estudió la valoración integral de cáscara de naranja bajo un esquema de biorrefinería en el que se obtiene aceite de naranja (con hidrolato como subproducto y la valorización del aceite mediante la extracción de limoneno en etapas posteriores), pectina y harina para uso como suplemento en alimentación animal.  Método:  El proceso consistió en cuatro etapas generales: i) extracción y obtención de aceite e hidrolato de naranja mediante el proceso de arrastre de vapor, ii) obtención de limoneno, iii) extracción de pectina por medio de hidrolisis ácida, y iv) obtención de pienso a partir de procesos de centrifugado y secado.  Resultados:  Los experimentos y las caracterizaciones se realizaron a escala laboratorio, donde a partir de 700 g de cáscara (húmeda) se obtuvieron 3,34 mL de aceite (80-85 % limoneno), alrededor de 500 mL de hidrolato y cerca de 260 g de residuos sólidos (secos). De estos últimos, a partir de lotes de 50 g de material seco, se obtuvieron 9,7 g de pectina y alrededor de 40,3 g de harina para suplemento en alimentación animal.  Conclusiones:  Según el análisis técnico-económico para la escala de producción utilizada y para el contexto nacional, se logran indicadores positivos como el valor presente neto (27&#8217;271.933) y la tasa interna de retorno (5,27 %), que muestran la alternativa de inversión interesante como para ser considerada una opción de valoración de residuos por pequeños y medianos productores de cítricos en el país.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Context:  The integral valuation of orange peel was studied under a biorefinery scheme where orange oil (with hydrolate as a by-product and the valorization of the oil through the extraction of limonene in later stages), pectin and flour were obtained for use as a supplement in animal feeding.  Method:  The process consisted of four general stages: i) extracting and obtaining orange oil and hydrolate through steam distillation, ii) obtaining limonene, iii) extracting pectin through the acid hydrolysis method, and iv) obtaining animal food from centrifugation and drying processes.  Results:  The experiments and characterizations were carried out at the laboratory scale, from 700 g of peel (wet) 3,34 mL of oil (80-85 % limonene), about 500 mL of hydrolate and about 260 g of solid residues (dry) were obtained. From these, around 9,7 g of pectin and around 40,3 g of flour for animal food supplements were obtained from batches of 50 g of dry material.  Conclusions:  According to the technical-economic analysis for the scale of production used, as well as for the national context, positive indicators such as the net present value (27&#8217;271.933) and the internal rate of return (5,27 %) were achieved, which show an interesting investment alternative to be considered as a waste valorization option for small and medium citrus producers in the country.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aceite esencial]]></kwd>
<kwd lng="es"><![CDATA[cáscara de naranja]]></kwd>
<kwd lng="es"><![CDATA[limoneno]]></kwd>
<kwd lng="es"><![CDATA[pectina]]></kwd>
<kwd lng="es"><![CDATA[pienso]]></kwd>
<kwd lng="es"><![CDATA[valoración de residuos.]]></kwd>
<kwd lng="en"><![CDATA[Essential oil]]></kwd>
<kwd lng="en"><![CDATA[orange peel]]></kwd>
<kwd lng="en"><![CDATA[limonene]]></kwd>
<kwd lng="en"><![CDATA[pectin]]></kwd>
<kwd lng="en"><![CDATA[animal feed]]></kwd>
<kwd lng="en"><![CDATA[waste valorization.]]></kwd>
</kwd-group>
</article-meta>
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