<?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>1680-0338</journal-id>
<journal-title><![CDATA[Ingeniería Hidráulica y Ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. hidrául. ambient.]]></abbrev-journal-title>
<issn>1680-0338</issn>
<publisher>
<publisher-name><![CDATA[Centro de Investigaciones Hidráulicas (CIH). Facultad de Ingeniería Civil. Universidad Tecnológica de La Habana "José A. Hecheverría" CUJAE]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1680-03382022000200084</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Remoción de contaminantes en aguas residuales mediante el polielectrolito catiónico extraído de las semillas de Moringa oleífera]]></article-title>
<article-title xml:lang="en"><![CDATA[Removal of pollutants from wastewater using cationic polyelectrolyte extracted from Moringa oleifera seeds]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vivas Saltos]]></surname>
<given-names><![CDATA[Holanda Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón Pincay]]></surname>
<given-names><![CDATA[José Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza Cedeño]]></surname>
<given-names><![CDATA[Laura Gema]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cedeño Zambrano]]></surname>
<given-names><![CDATA[José Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López  ]]></institution>
<addr-line><![CDATA[Manabí ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<volume>43</volume>
<numero>2</numero>
<fpage>84</fpage>
<lpage>96</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1680-03382022000200084&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1680-03382022000200084&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1680-03382022000200084&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Esta investigación pretende evaluar la eficiencia del polielectrolito catiónico de la Moringa oleífera en la remoción de contaminantes de aguas residuales. Se aplicó un diseño completamente al azar en un arreglo unifactorial, con cuatro tratamientos y tres repeticiones. El coagulante polielectrolito catiónico extraído de la semilla de moringa tuvo una dosis de 1, 2 y 4 mL y como testigo el sulfato de aluminio. Se tomó una muestra de 9000 mL de agua residual, se realizó la caracterización física presentando 120 mg/L de SST, 43,52 FAU de turbidez y 456 Pt/Co de color. No hubo diferencias significativas entre tratamientos de acuerdo a la prueba de ANOVA (p: 0.707), por lo que se evidencia que el tratamiento a base de moringa en sus diferentes concentraciones es un buen coagulante para remover contaminantes en aguas residuales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This research aims to evaluate the efficiency of the cationic polyelectrolyte of Moringa oleifera in removing pollutants from wastewater. A completely randomized design was applied in a unifactorial arrangement, with four treatments and three repetitions. The cationic polyelectrolyte coagulant extracted from the moringa seed had a dose of 1, 2 and 4 mL and aluminum sulfate as a control. A sample of 9000 mL of residual water was taken, the physical characterization was carried out showing 120 mg/L of SST, 43.52 FAU of turbidity and 456 Pt / Co of color. There were no significant differences between treatments according to the ANOVA test (p: 0.707), so it is evidenced that the treatment based on moringa in its different concentrations is a good coagulant to remove contaminants in wastewater.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Agua residual]]></kwd>
<kwd lng="es"><![CDATA[coagulante]]></kwd>
<kwd lng="es"><![CDATA[Moringa oleífera]]></kwd>
<kwd lng="es"><![CDATA[polielectrolito catiónico]]></kwd>
<kwd lng="es"><![CDATA[remoción]]></kwd>
<kwd lng="en"><![CDATA[Waste water]]></kwd>
<kwd lng="en"><![CDATA[coagulant]]></kwd>
<kwd lng="en"><![CDATA[Moringa oleifera]]></kwd>
<kwd lng="en"><![CDATA[cationic polyelectrolyte]]></kwd>
<kwd lng="en"><![CDATA[removal]]></kwd>
</kwd-group>
</article-meta>
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