<?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>S2223-48612021000400001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ADSORCIÓN DE IONES Cd (II) EN TALQUITA]]></article-title>
<article-title xml:lang="en"><![CDATA[Cd (II) IONS ADSORPTION IN TALQUITE]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prieto García]]></surname>
<given-names><![CDATA[Julio Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quintana Puchol]]></surname>
<given-names><![CDATA[Rafae]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quero Jiménez]]></surname>
<given-names><![CDATA[Pedro Cesar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo González]]></surname>
<given-names><![CDATA[Daimel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casanova Álvarez]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez García]]></surname>
<given-names><![CDATA[Mixary]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas Facultad de Química y Farmacia Departamento Licenciatura en Química]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Corporación Cuba Ron S.A Ronera Central Agustín Díaz Mena ]]></institution>
<addr-line><![CDATA[Santo Domingo Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hiesaren Aurkako  ]]></institution>
<addr-line><![CDATA[Bilbao Bizkaia]]></addr-line>
<country>España</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>48</volume>
<numero>4</numero>
<fpage>1</fpage>
<lpage>11</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612021000400001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612021000400001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612021000400001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La talquita consta de paquetes alternados de tres capas con enlaces débiles de Van der Waals entre ellos. La capa octaédrica se encuentra entre dos capas tetraédricas. Es utilizada como adsorbente de metales pesados en solución acuosa.  Objetivo: Determinar el modelo cinético, la difusividad efectiva y las isotermas correspondientes a la adsorción en el sistema heterogéneo de masa solución acuosa de iones Cd (II) y talquita a las temperaturas de 298 y 333 K.  Materiales y Métodos: Se realiza una caracterización física y química del adsorbente. El estudio cinético, difusivo y de equilibrio de adsorción de iones se lleva a cabo a 298 y 333 K. Los procesos de adsorción se llevan a cabo con agitación a 150 rpm en un agitador mecánico. Se instrumentan los modelos de seudoprimer orden, seudosegundo orden, Elovich, difusión en la película de líquido, difusión intrapartícula, modelo de Bangham y difusión efectiva. Para los estudios de equilibrio isotérmicos se implementan las isotermas de Langmuir, Freundlich, Dubinin- Radushkevich, BET, Redlich, Toth y Flory-Huggins. Las concentraciones se determinan por Espectroscopía de Absorción Atómica.  Resultados y Discusión: El modelo cinético de seudoprimer orden es el que mejor ajusta a la cinética de la adsorción a las dos temperaturas estudiadas. Los modelos isotérmicos de BET a 298 K y Flory - Huggins a 333 K son los que mejor ajustan a la adsorción de los iones Cd (II) en solución acuosa.  Conclusiones: La talquita presenta moderadas capacidades de adsorción de los iones Cd (II) en solución acuosa.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Talquite consists of alternating three-layer bundles with weak Van der Waals bonds between them. The octahedral layer is located between two tetrahedral layers. It is used as an adsorbent for heavy metals in aqueous solution.  Objective: To determine kinetic model, effective diffusivity and isotherms corresponding to the adsorption in the heterogeneous mass system of Cd (II) and Talquita ion in aqueous solution at temperatures of 298 and 333 K.  Materials and Methods: A physical and chemical characterization of the adsorbent is performed. The kinetic, diffusive and equilibrium study of ion adsorption is carried out at 298 and 333 K. The adsorption processes are carried out with 150 rpm stirring on an AGU-10 Bunsen mechanical stirrer. Pseudo-first order, pseudo-second order, Elovich, liquid film diffusion, intraparticle diffusion, Bangham model, and effective diffusion models are instrumented. For isothermal balance studies, the Langmuir, Freundlich, Dubinin-Radushkevich, BET, Redlich, Toth and Flory-Huggins isotherms are implemented. Concentrations are determined by Atomic Absorption Spectroscopy.  Results and Discussion: The pseudo-first order kinetic model has better adjust to the adsorption kinetics at two studied temperatures. The isothermal models of BET at 298 K and Flory-Huggins at 333 K have the better adjust to the adsorption of Cd (II) ions in aqueous solution.  Conclusions: Talquite has moderate adsorption capacities for Cd (II) ions in aqueous solution]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[adsorción]]></kwd>
<kwd lng="es"><![CDATA[cadmio]]></kwd>
<kwd lng="es"><![CDATA[cinética]]></kwd>
<kwd lng="es"><![CDATA[talquita]]></kwd>
<kwd lng="es"><![CDATA[termodinámica.]]></kwd>
<kwd lng="en"><![CDATA[adsorption]]></kwd>
<kwd lng="en"><![CDATA[cadmium]]></kwd>
<kwd lng="en"><![CDATA[kinetics]]></kwd>
<kwd lng="en"><![CDATA[talquite]]></kwd>
<kwd lng="en"><![CDATA[thermodynamics.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chun-I]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Li-Hua]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal Institute of Chinese Institute of Chemical Engineers]]></source>
<year>2008</year>
<volume>39</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>579-85</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cotton]]></surname>
<given-names><![CDATA[F.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Wilquinson]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[24]]></article-title>
<source><![CDATA[Advanced Inorganic Chemistry]]></source>
<year>1966</year>
<page-range>600-21</page-range><publisher-loc><![CDATA[La Habana ]]></publisher-loc>
<publisher-name><![CDATA[Instituto del Libro]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Foo]]></surname>
<given-names><![CDATA[K.Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Hameed]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Review. Insights into the modeling of adsorption isotherm systems]]></article-title>
<source><![CDATA[Chemical Engineering Journal]]></source>
<year>2001</year>
<volume>156</volume>
<numero>156</numero>
<issue>156</issue>
<page-range>2-10</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gesmdgp]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A morphological study of talcs with scanning electron microscopy., Pharmaceutical applications.]]></article-title>
<source><![CDATA[Pharmaceutical Technology]]></source>
<year>2010</year>
<volume>5</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>15-7</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giannetto]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Arturo]]></surname>
<given-names><![CDATA[R.Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Capítulo 4: Técnicas de caracterización]]></article-title>
<source><![CDATA[Zeolitas: Características, propiedades y aplicaciones industriales]]></source>
<year>2000</year>
<page-range>136-81</page-range><publisher-name><![CDATA[Editorial Innovación Tecnológica., Facultad de Ingeniería, UCV]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ho]]></surname>
<given-names><![CDATA[Y.-S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Review of second-order models for adsorption system]]></article-title>
<source><![CDATA[Journal of Hazardous Materials]]></source>
<year>2006</year>
<volume>136</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>681-9</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Karthikeyan]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sivakumar]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Film and pore diffusion modeling for adsorption of reactive Red 2 from aqueous solution on to activated carbon prepared from bio-diesel industrial waste]]></article-title>
<source><![CDATA[E-Journal of Chemistry]]></source>
<year>2010</year>
<volume>7</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>175-84</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Is the Free Energy Change of Adsorption Correctly Calculated?]]></article-title>
<source><![CDATA[Journal of Chemical &amp; Engineering Data]]></source>
<year>2009</year>
<volume>54</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1981-5</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.-J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biosorption isotherms, kinetics and thermodynamics]]></article-title>
<source><![CDATA[Separation and Purification Technology]]></source>
<year>2008</year>
<volume>61</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>229-42</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Milovsky]]></surname>
<given-names><![CDATA[A.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Kónonov]]></surname>
<given-names><![CDATA[O.V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mineralogía]]></source>
<year>1988</year>
<page-range>160-210</page-range><publisher-loc><![CDATA[Moscú ]]></publisher-loc>
<publisher-name><![CDATA[Editorial MIR]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prieto]]></surname>
<given-names><![CDATA[J.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Lestayo]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Capítulo II Materiales y métodos]]></article-title>
<source><![CDATA[Adsorción de colorantes en adsorbentes de base silícica]]></source>
<year>2017</year>
<page-range>55-67</page-range><publisher-name><![CDATA[Editorial Académica Española]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prieto]]></surname>
<given-names><![CDATA[J.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Mollineda]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estudio de los mecanismos cinéticos y difusivos en la adsorción de Cu (II) en ceniza de bagazo de caña de azúcar]]></article-title>
<source><![CDATA[Centro Azúcar]]></source>
<year>2016</year>
<volume>43</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>36-41</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Toxicología del cadmio. Conceptos actuales para evaluar la exposición ambiental y ocupacional con indicadores biológicos]]></source>
<year>2002</year>
<volume>63</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>51-64</page-range><publisher-name><![CDATA[Anales de la Facultad de Medicina, Universidad Nacional Mayor de San Martín]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rouquerol]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Llewellyn]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Rouquerol]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Is the BET equation applicable to microporous adsorbents?., in Characterization of Porous Solids VII]]></source>
<year>2006</year>
<conf-name><![CDATA[ 7thInternational Symposium on the Characterization of Porous Solids]]></conf-name>
<conf-loc>Llewellyn </conf-loc>
<page-range>49-56</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stoeckli]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dubinin´s theory and its contribution to adsorption science]]></article-title>
<source><![CDATA[Russian Chemical Bulletin International Edition]]></source>
<year>2001</year>
<volume>50</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2265-72</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thommes]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kaneko]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Neimark]]></surname>
<given-names><![CDATA[A.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Olivier]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[R.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Rouquerol]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sing]]></surname>
<given-names><![CDATA[K.S.W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physisorption of gases, with special reference to the evaluation of surface area and pore size distribution (IUPAC Technical Report).]]></article-title>
<source><![CDATA[Pure Applied Chemical]]></source>
<year>2015</year>
<volume>87</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1051-69</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Worch]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Processes, and Modeling]]></article-title>
<source><![CDATA[Adsorption Technology in Water Treatment Fundamentals]]></source>
<year>2012</year>
<page-range>344-5</page-range><publisher-loc><![CDATA[Berlin/Boston ]]></publisher-loc>
<publisher-name><![CDATA[Walter de Gruyter GmbH &amp; Co. KG]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yanagisawa]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Matsumoto]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Machida]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adsorption of Zn(II) and Cd(II) ions onto magnesium and activated carbon composite in aqueous solution]]></article-title>
<source><![CDATA[Applied Surface Science]]></source>
<year>2010</year>
<volume>256</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1619-23</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
