<?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>0120-100X</journal-id>
<journal-title><![CDATA[Revista ION]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. ion]]></abbrev-journal-title>
<issn>0120-100X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-100X2023000200046</article-id>
<article-id pub-id-type="doi">10.18273/revion.v36n2-2023004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Catalizadores sulfurados CoMo soportados sobre hidrotalcitas terciarias calcinadas (MeFeAl, Me2+: Co2+, Ni2+, Mg2+ y Zn2+) para ser usados en la reacción de hidrodesulfuración de dibenzotiofeno]]></article-title>
<article-title xml:lang="en"><![CDATA[CoMo sulfide catalysts supported on calcined (MeFeAl) tertiary hydrotalcites (Me2+: Co2+, Ni2+, Mg2+ and Zn2+) for being used in the dibenzothiophene hydrodesulfurization reaction]]></article-title>
<article-title xml:lang="pt"><![CDATA[Catalisadores de sulfeto CoMo suportados em hidrotalcitas terciárias calcinadas (MeFeAl, Me2+: Co2+, Ni2+, Mg2+ e Zn2+) para serem utilizados na reação de hidrodessulfurização do dibenzotiofeno]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oviedo]]></surname>
<given-names><![CDATA[Edwin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Linares]]></surname>
<given-names><![CDATA[Carlos F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Brunei]]></surname>
<given-names><![CDATA[Sylvette]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Carabobo  ]]></institution>
<addr-line><![CDATA[Valencia Edo Carabobo]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Université de Poitiers  ]]></institution>
<addr-line><![CDATA[Poitiers Cedex ]]></addr-line>
<country>France</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<volume>36</volume>
<numero>2</numero>
<fpage>46</fpage>
<lpage>62</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-100X2023000200046&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-100X2023000200046&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-100X2023000200046&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se sintetizaron cinco hidrotalcitas terciarias conteniendo dos cationes trivalentes: Fe3+ y Al3+, y un catión divalente Mg2+, Co2+, Ni2+ o Zn2+. Se mantuvo una proporción molar [M+3/(M3++M2+)] de 0,22 y una proporción molar de [Fe3+/Al3+] de 0,66; con la excepción de la hidrotalcita MgFeAl cuya proporción fue duplicada a 1,32. Los óxidos de estas hidrotalcitas fueron usados como soportes de la fase activa (Mo) promovida con Co. Hidrotalcitas, óxidos mixtos y sus precursores catalíticos fueron caracterizados por las técnicas de: análisis químico por fluorescencia de rayos X, medidas de superficie, difracción de rayos (DRX), desorción a temperatura programada (TPD-CO2), análisis elemental (C y S) y microscopía electrónica de transmisión de alta resolución. Todos los precursores catalíticos fueron probados en la reacción de hidrodesulfuración de dibenzotiofeno mostrando el siguiente orden de actividad: CoMo/&#947;-Al2O3 &gt; CoMo/MgFeAl(0,66)&gt; CoMo/MgFeAl(1,32)&gt; CoMo/CoFeAl&gt; CoMo/NiFeAl&gt; CoMo/ZnFeAl. La actividad catalítica y la selectividad hacia la formación de productos de hidrogenación con respecto a la desulfuración directa (HID/DSD) se incrementó a medida que se incrementó la basicidad del catalizador. Estos resultados fueron asociados con la fracción de Mo (f  Mo ) y la naturaleza del soporte. Es importante mencionar que los catalizadores: CoMo/MgFeAl(0,66) y CoMo/MgFeAl(1,32) mostraron la más alta selectividad hacia la ruta de hidrogenación comparado con el catalizador de referencia (CoMo/y-Al2O3). Adicionalmente, la actividad del catalizador CoMo/MgFeAL(0,66) hacia la ruta de HID fue la más alta, inclusive superando la actividad del CoMo/y-Al2O3.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Five tertiary hydrotalcites containing Fe3+ and Al3+ (M3+) as trivalent cations, and Mg2+, Co2+, Ni2+ or Zn2+ (M2+) as divalent cations were synthesized. A [M+3/(M3++M2+)] ratio of 0.22 and a [Fe3+/Al3+] ratio of 0.66 were kept for all synthesis with exception of a MgFeAl hydrotalcite whose [Fe3+/Al3+] ratio was duplicated to 1.32. The mixed oxides from these hydrotalcytes were used as supports of the active phase (Mo) promoting with Co. As-synthesized hydrotalcites, supports and their catalytic precursors were characterized by techniques such as chemical analysis by X-ray fluorescence, surface measurements, X-ray diffraction (XRD), CO2 temperature programmed desorption (CO2-TPD), elemental analysis (S and C) and high-resolution transmission electron microscopy (HRTEM). All catalytic precursors were tested in the reactions of dibenzothiophene hydrodesulfurization, showing the following order of activity: CoMo/ &#947; -Al2O3 &gt; CoMo/MgFeAl(0.66)&gt; CoMo/MgFeAl(1.32)&gt; CoMo/CoFeAl&gt; CoMo/NiFeAl&gt; CoMo/ZnFeAl, The catalytic activity and selectivity towards the formation of hydrogenation products over direct desulfurization (HID/DSD) increased as the basicity of the catalyst increased. These results were associated to (f  M ) Mo fraction and the nature of supports. It is important to mention that the catalysts: CoMo/MgFeAl(0.66) and CoMo/MgFeAl(1.32) showed the highest selectivity towards the hydrogenation route compared to the reference catalyst (CoMo/y-Al2O3). Additionally, the activity of the CoMo/MgFeAL(0.66) catalyst towards the HID pathway was the highest, even exceeding the activity of CoMo/y-Al2O3.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Cinco hidrotalcitas terciárias contendo Fe3+ e Al3+ e Mg2+, Co2+, Ni2+ ou Zn2+ como cátions divalentes foram sintetizadas. Uma razão molar [M+3/(M3++M2+)] de 0,22 e uma razão molar de [Fe3+/Al3+] de 0,66 foram mantidas; com exceção da hidrotalcita MgFeAl cuja razão molar foi dobrada. Os óxidos dessas hidrotalcitas foram utilizados como suportes da fase ativa (Mo) promovida com Co. Hidrotalcitas, óxidos mistos e seus precursores catalíticos foram caracterizados pelas técnicas de análise química por fluorescência de raios X, medições de superfície, difração de raios X (DRX), dessorção de temperatura programada (TPD-CO2), análise elementar (C e S) e microscopia eletrônica de transmissão de alta resolução. Todos os precursores catalíticos foram testados na reação de hidrodessulfuração do dibenzotiofeno apresentando a seguinte ordem de atividade: CoMo/&#947;-Al2O3 &gt; CoMo/MgFeAl(0,66)&gt; CoMo/MgFeAl(1,32)&gt; CoMo/CoFeAl&gt; CoMo/NiFeAl&gt; Como/ZnFeAl. A atividade catalítica e a seletividade para a formação de produtos de hidrogenação com relação à dessulfuração direta (HID/DSD) aumentaram com o aumento da basicidade do catalisador. Esses resultados foram associados à fração de Mo (fMo) e à natureza do suporte. É importante mencionar que os catalisadores: CoMo/MgFeAl(0,66) e CoMo/MgFeAl(1,32) apresentaram a maior seletividade para a rota de hidrogenação em relação ao catalisador de referência. Adicionalmente, a atividade do catalisador CoMo/MgFeAL(0,66) em direção à via HID foi a mais alta, excedendo inclusive a atividade de CoMo/y-Al2O3.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hidrotalcita]]></kwd>
<kwd lng="es"><![CDATA[Hidrodesulfuracion]]></kwd>
<kwd lng="es"><![CDATA[Dibenzotiofeno]]></kwd>
<kwd lng="es"><![CDATA[Hidrotratamiento]]></kwd>
<kwd lng="es"><![CDATA[Catalizador sulfurado]]></kwd>
<kwd lng="en"><![CDATA[Hydrotalcite]]></kwd>
<kwd lng="en"><![CDATA[Hydrodesulfurization]]></kwd>
<kwd lng="en"><![CDATA[Dibenzothiophene]]></kwd>
<kwd lng="en"><![CDATA[Hydrotreating]]></kwd>
<kwd lng="en"><![CDATA[Sulfide catalyst]]></kwd>
<kwd lng="pt"><![CDATA[Hidrotalcite]]></kwd>
<kwd lng="pt"><![CDATA[Hidrodessulfuração]]></kwd>
<kwd lng="pt"><![CDATA[Dibenzotiofeno]]></kwd>
<kwd lng="pt"><![CDATA[Hidrotratamento]]></kwd>
<kwd lng="pt"><![CDATA[Catalisador de sulfeto]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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