<?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>0120-6230</journal-id>
<journal-title><![CDATA[Revista Facultad de Ingeniería Universidad de Antioquia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.fac.ing.univ. Antioquia]]></abbrev-journal-title>
<issn>0120-6230</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ingeniería, Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-62302022000300118</article-id>
<article-id pub-id-type="doi">10.17533/udea.redin.20210848</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Separation of carvone by batch distillation from the mixture obtained from limonene oxidation]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis por fluorescencia de rayos X en aceites de motores diésel de camionetas con motor 2.5L]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Becerra Chalá]]></surname>
<given-names><![CDATA[Jaime Andres]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villa Holguín]]></surname>
<given-names><![CDATA[Aída Luz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Departamento de Ingeniería Química ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<numero>104</numero>
<fpage>118</fpage>
<lpage>128</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-62302022000300118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-62302022000300118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-62302022000300118&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Limonene is the main constituent of citrus oils whose oxidation produces a set of fine chemical compounds such as carvone, carveol, and limonene 1,2-epoxide. This contribution reports the results of the experimental evaluation and computational simulation of carvone separation by fractional distillation from the reaction mixture. Carvone was obtained from limonene oxidation over a perchlorinated iron phthalocyanine supported on modified silica catalyst (FePcCl16-NH2-SiO2) and t-butyl hydroperoxide (TBHP) as oxidant. Both experimental and simulation results support that fractional distillation (in batch and continuous) is a suitable technique for concentrating carvone. However, in the presence of water, the formation of immiscible L-L phases makes the experimental separation of carvone more difficult. Simulation results of the batch distillation incorporating the NRTL-RK thermodynamic model indicate that if water, acetone, and t-butanol are previously removed from the reaction mixture, carvone composition can be enriched in the reboiler from 4% up to 50%, or around 86.5% if the removal is in a third distillate cut under vacuum conditions.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El limoneno es el principal componente de los aceites cítricos de cuya oxidación se obtienen compuestos de química fina tales como carvona, carveol y epóxido de 1,2-limoneno. En esta contribución se reportan los resultados de la evaluación experimental y mediante simulación computacional del proceso de separación de carvona mediante destilación fraccionada por lotes de la mezcla de reacción. La carvona se obtuvo a partir de la oxidación de limoneno con una ftalocianona clorada de hierro soportada en sílice modificada como catalizador heterogéneo (FePcCl16-NH2-SiO2) y el agente oxidante hidroperóxido de terc-butilo. A partir de los resultados experimentales y las simulaciones se infiere que la destilación fraccionada (por lotes y en continuo) es una técnica adecuada para la concentración de carvona. Sin embargo, en presencia de agua, la formación de fases L-L inmiscibles hace que la separación experimental de carvona sea más difícil. Los resultados de simulación empleando el modelo termodinámico NRTL-RK indican que si se retira previamente de la mezcla de reacción la mayor cantidad posible de agua, acetona y terc-butanol, la mezcla líquida con una fracción molar de 4% de carvona, se puede enriquecer en el rehervidor hasta un 50%, o cerca de 86.5% si se retira en una tercera fracción de destilado operando en vacío.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Essential oil]]></kwd>
<kwd lng="en"><![CDATA[limonene]]></kwd>
<kwd lng="en"><![CDATA[separation]]></kwd>
<kwd lng="en"><![CDATA[simulation]]></kwd>
<kwd lng="es"><![CDATA[Aceite esencial]]></kwd>
<kwd lng="es"><![CDATA[limoneno]]></kwd>
<kwd lng="es"><![CDATA[separación]]></kwd>
<kwd lng="es"><![CDATA[simulación]]></kwd>
</kwd-group>
</article-meta>
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