<?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>S0188-49992023000100136</article-id>
<article-id pub-id-type="doi">10.20937/rica.54830</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Investigation of factors affecting removal of arsenic from polluted water using iron-based particles: Taguchi optimization design]]></article-title>
<article-title xml:lang="es"><![CDATA[Investigación de los factores que afectan la eliminación de arsénico del agua contaminada utilizando partículas a base de hierro: diseño de optimización de Taguchi]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molaei]]></surname>
<given-names><![CDATA[Shafagh]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hamidpour]]></surname>
<given-names><![CDATA[Mohsen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Shirani]]></surname>
<given-names><![CDATA[Hossein]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sabet]]></surname>
<given-names><![CDATA[Mohammad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Vali-e-Asr University of Rafsanjan Department of Soil Science, College of Agriculture ]]></institution>
<addr-line><![CDATA[Rafsanjan ]]></addr-line>
<country>Iran</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Vali-e-Asr University of Rafsanjan College of Basic Science Department of Chemistry]]></institution>
<addr-line><![CDATA[Rafsanjan ]]></addr-line>
<country>Iran</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>39</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992023000100136&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992023000100136&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992023000100136&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Intensive research efforts have been followed to remove arsenic (As) from contaminated water to provide potable water to millions living in different countries. Adsorption is a simple and efficient way for arsenic contamination purification in water, with a pressing challenge to find a cheap and efficient adsorbent. The present paper deals with optimizing various batch parameters for the adsorption of As from solution by synthesized iron-based particles (hematite, magnetite, and zero-valent iron (ZVI)) nanomaterials using Taguchi&#8217;s optimization methodology. Taguchi&#8217;s (L27) orthogonal design with six effective factors, namely: initial As concentration, pH, contact time, adsorbent type, size, and dose, was applied for the multivariate optimization in adsorption studies for As to maximize the adsorption capacity along with the signal-to-noise ratio. The equilibrium studies revealed that the data were well described by Freundlich isotherm. The results showed that initial As concentration was the most important parameter in the adsorption process.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se han llevado a cabo intensas investigaciones para eliminar el arsénico (As) del agua contaminada a fin de proporcionar agua potable para millones de personas que viven en diferentes países. La adsorción es una forma simple y eficiente para la eliminación del arsénico en el agua, pero hay desafío apremiante para encontrar un adsorbente barato y eficiente. El presente trabajo se ocupa de la optimización de varios parámetros en lote para la adsorción de As en solución por nanomateriales sintetizados a base de hierro (hematita, magnetita y hierro cero valente (ZVI)) utilizando la metodología de optimización de Taguchi. El diseño ortogonal de Taguchi (L27) con seis factores efectivos, a saber: concentración inicial, pH, tiempo de contacto, tipo de adsorbente, tamaño y dosis, se aplicó para la optimización multivariable para maximizar la capacidad de adsorción junto con la relación señal-ruido. Los estudios de equilibrio revelaron que los datos fueron bien descritos por la isoterma de Freundlich. Los resultados muestran que la concentración de As fue el parámetro más importante en el proceso de adsorción.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[adsorption]]></kwd>
<kwd lng="en"><![CDATA[adsorbents]]></kwd>
<kwd lng="en"><![CDATA[heavy metals]]></kwd>
<kwd lng="en"><![CDATA[environmental pollution]]></kwd>
<kwd lng="en"><![CDATA[isotherms]]></kwd>
<kwd lng="es"><![CDATA[adsorción]]></kwd>
<kwd lng="es"><![CDATA[adsorbentes]]></kwd>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="es"><![CDATA[contaminación ambiental]]></kwd>
<kwd lng="es"><![CDATA[isotermas]]></kwd>
</kwd-group>
</article-meta>
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