<?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>2224-6185</journal-id>
<journal-title><![CDATA[Tecnología Química]]></journal-title>
<abbrev-journal-title><![CDATA[RTQ]]></abbrev-journal-title>
<issn>2224-6185</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Oriente]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2224-61852020000100201</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación del comportamiento de la tobas zeolitizadas del yacimiento San Andrés en el tratamiento del residual WL de la Empresa Cmdt. Pedro Sotto Alba]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of behavior of the zeolitized tuffs of the San Andrés in the treatment of the WL residual of the Pedro Sotto Alba Company]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Dalmau]]></surname>
<given-names><![CDATA[Aymeé]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco Melgar]]></surname>
<given-names><![CDATA[Gerardo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mosqueda Martínez]]></surname>
<given-names><![CDATA[Ariel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Góngora Blet]]></surname>
<given-names><![CDATA[Eidier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Oriente Facultad de Ingeniería Química y Agronomía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Moa  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Empresa Cmdt. Pedro Sotto Alba, Moa Nickel S.A.  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2020</year>
</pub-date>
<volume>40</volume>
<numero>1</numero>
<fpage>201</fpage>
<lpage>216</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2224-61852020000100201&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2224-61852020000100201&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2224-61852020000100201&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En el trabajo se exponen los resultados del comportamiento de las tobas zeolitizadas del yacimiento San Andrés compuestas mayormente por clinoptilolita-heulandita, de granulometría (-1.4 +0.85) mm, en el tratamiento del residual WL de la Empresa Cmdt. Pedro Sotto Alba. Se realizó una prueba en batch a una temperatura entre 50-60oC donde la selectividad de las tobas zeolitizadas estuvo en el orden: Fe2+&#707;Mn2+&#707;Co2+&#707; Mg2+&#707;Fe3+ y se logró reducir la acidez del WL de 1,58 hasta pH=2,6. Se observó que las tobas sufren una dealuminación de 1,4 %, producto al medio ácido en que se desarrolló el experimento. Se analizaron los difractogramas de la toba zeolitizada luego del tratamiento, donde no se observaron diferencias en su composición fásica. Se demostró la influencia del material zeolítico en la reducción del color y olor desagradable del WL como aspecto significativo respecto a los indicadores ambientales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In the work, the results of the behavior of the zeolitized tuffs of the San Andrés deposit, composed mostly of clinoptilolite-heulandite, of granulometry (-1.4 +0.85) mm, in the treatment of the residual WL of the Company Cmdt Pedro Sotto Alba are exposed. A batch test was carried out at a temperature between 50-60oC where the selectivity of the zeolitized tuffs was in the order: Fe2 + &#707;Mn2 + &#707;Co2 + &#707; Mg2 + &#707;Fe3 + and the acidity of the WL was reduced from 1.58 to pH = 2 6. It was observed that the tuffs suffer a 1.4% dealumination, product to the acid medium in which the experiment was carried out. The diffractograms of the zeolitized tuff were analyzed after treatment, where no differences in their phasic composition were observed. The influence of the zeolitic material in the reduction of the color and unpleasant smell of the WL was demonstrated as a significant aspect with respect to the environmental indicators.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[toba zeolitizada]]></kwd>
<kwd lng="es"><![CDATA[intercambio iónico]]></kwd>
<kwd lng="es"><![CDATA[licor de desecho WL]]></kwd>
<kwd lng="es"><![CDATA[pH]]></kwd>
<kwd lng="en"><![CDATA[zeolitized tuff]]></kwd>
<kwd lng="en"><![CDATA[ion exchange]]></kwd>
<kwd lng="en"><![CDATA[waste liquor WL]]></kwd>
<kwd lng="en"><![CDATA[pH]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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