<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992016000200237</article-id>
<article-id pub-id-type="doi">10.20937/RICA.2016.32.02.09</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Adsorption kinetics of N2O on natural zeolites]]></article-title>
<article-title xml:lang="es"><![CDATA[Estudio de las cinéticas de adsorción de N2O en zeolitas naturales]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Huesca]]></surname>
<given-names><![CDATA[Rosario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Arcos]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas Hernández]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Cruz]]></surname>
<given-names><![CDATA[María Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla Facultad de Ciencias Químicas ]]></institution>
<addr-line><![CDATA[ Puebla]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Sonora Departamento de Investigación en Polímeros y Materiales ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2016</year>
</pub-date>
<volume>32</volume>
<numero>2</numero>
<fpage>237</fpage>
<lpage>242</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992016000200237&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992016000200237&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992016000200237&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT: The adsorption kinetics of pure N2O on natural zeolites of the erionite (ZAPS), mordenite (ZNT), and clinoptilolite (ZSL) types has been measured in the temperature range of 0-100 °C using a glass, high-vacuum volumetric system. The adsorption capacities of N2O on the ZNT and ZSL samples were lower than that on ZAPS. This result can be due to the limiting volume of the micropores of these zeolites and to the quantity of cations available per unit mass of the dehydrated zeolites (cationic density). It was found that the adsorbed amount and the adsorption rate diminish with increasing temperature. This behavior allows us to deduce that the adsorption process of N2O is not of the activated type and that it is not influenced by kinetic effects. It was established that the adsorption of N2O on ZAPS can be effected most efficiently at ambient temperature, whereas the use of ZSL could be recommended at 100 °C.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN: Se estudio la cinética de adsorción del N2O en tres zeolitas naturales tipo erionita (ZAPS), mordenita (ZNT) y clinoptilolita (ZSL) a una temperatura de 0 a 100 °C en un sistema volumétrico al alto vacío. Las cantidades de adsorción de N2O en las muestras ZNT y ZSL son más bajos que en la ZAPS. Este resultado puede ser debido a la limitación de volumen de los microporos de estas zeolitas y a la cantidad de cationes disponibles por unidad de masa de las zeolitas deshidratadas (densidad de cationes). Se encontró que la cantidad adsorbida y la velocidad de adsorción disminuyen al aumentar la temperatura. Este comportamiento nos permite deducir que el proceso de adsorción de N2O es del tipo no activado y por lo tanto no está influenciado por efectos cinéticos. Se estableció que la adsorción de N2O en ZAPS puede efectuarse de manera más eficiente a temperatura ambiente, mientras que el uso de la ZSL se recomienda a 100 °C.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[adsorption rate]]></kwd>
<kwd lng="en"><![CDATA[erionite]]></kwd>
<kwd lng="en"><![CDATA[mordenite]]></kwd>
<kwd lng="en"><![CDATA[clinoptilolite]]></kwd>
<kwd lng="es"><![CDATA[velocidad de adsorción]]></kwd>
<kwd lng="es"><![CDATA[erionita]]></kwd>
<kwd lng="es"><![CDATA[mordenita]]></kwd>
<kwd lng="es"><![CDATA[clinoptilolita]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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