<?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>S0188-49992017000200221</article-id>
<article-id pub-id-type="doi">10.20937/rica.2017.33.02.04</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[HIDROQUÍMICA Y CONTAMINANTES EMERGENTES EN AGUAS RESIDUALES URBANO INDUSTRIALES DE MORELIA, MICHOACÁN, MÉXICO]]></article-title>
<article-title xml:lang="en"><![CDATA[HYDROCHEMISTRY AND EMERGING POLLUTANTS IN URBAN-INDUSTRIAL WASTEWATER OF MORELIA, MICHOACAN, MEXICO]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robledo Zacarías]]></surname>
<given-names><![CDATA[Víctor Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velázquez Machuca]]></surname>
<given-names><![CDATA[Martha Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montañez Soto]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pimentel Equihua]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vallejo Cardona]]></surname>
<given-names><![CDATA[Alba Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Calvillo]]></surname>
<given-names><![CDATA[María Dolores]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Venegas González]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional, Unidad Michoacán ]]></institution>
<addr-line><![CDATA[Jiquilpan Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados Centro de Estudios del Desarrollo Rural ]]></institution>
<addr-line><![CDATA[Montecillo ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Nanociencias y Micro y Nanotecnología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Facultad de Químico Farmacobiología ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>33</volume>
<numero>2</numero>
<fpage>221</fpage>
<lpage>235</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992017000200221&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992017000200221&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992017000200221&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En México, el 54 % de las aguas residuales no reciben tratamiento y son desalojadas hacia los cuerpos de agua, suelos y canales de riego lo que genera un fuerte problema de contaminación y un alto riesgo para la salud humana y la biota acuática. En las últimas décadas se han detectado los denominados contaminantes emergentes en aguas superficiales con presencia de aguas residuales crudas y tratadas. Estos compuestos y sus metabolitos reactivos causan severos efectos toxicológicos en los organismos acuáticos o microorganismos del suelo aún en bajas concentraciones. El objetivo del trabajo fue determinar las propiedades físicas y químicas: pH, conductividad eléctrica (CE), sólidos disueltos totales (SDT), Ca2+, Mg2+, Na+, boro (B), fósforo total (P), metales traza (Cu, Zn, Fe, Mn) e identificar y cuantificar los contaminantes emergentes (farmacéuticos y drogas de abuso) en los influentes y efluentes de la Planta de Tratamiento de Aguas Residuales (PTAR) de Morelia, utilizando metodologías estandarizadas, espectrofotometría de infrarrojo (FT-IR) y espectrometría de masas (ESI-MS-TOF). Los valores de pH, CE, SDT, relación de adsorción de sodio (RAS), B, P y metales traza se encontraron dentro de los límites marcados por la norma mexicana NOM-001-ECOL-1996 y directrices internacionales para reúso de aguas residuales en agricultura. Los contaminantes emergentes identificados por ESI-MS-TOF fueron tetraciclina, cefaclor, cefadroxilo, ampicilina, clonazepam, lormetazepam, secobarbital, maprotilina, levotiroxina, cis-androsterona, paracetamol, lidocaína, bromfeniramina, fexofenadina, amfetamina, morfina, benzoilecgonina, 11-nor-&#916;9-THC-9-COOH, dimetilamfetamina, fenciclidina, metadona y polietilenglicol. La eficiencia de remoción de estos contaminantes en los efluentes fue de 25.8 %, con extremos de 0 y 74.5 % para el polietilenglicol y metadona, respectivamente]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In Mexico, 54 % of the wastewater generated is not treated and it is discharged into the water bodies, soils and irrigation canals, leading to a severe pollution problem. This represents a high risk to human health and aquatic biota. In recent decades, emerging contaminants have been detected in surface water in contact with raw and treated sewage. These compounds and their reactive metabolites cause severe toxicological effects on aquatic organisms and soil microorganisms even at low concentrations. The objective of this work was to analyze the physical and chemical properties: pH, electrical conductivity (EC), total dissolved solids (TDS), Ca2+, Mg2+, Na+, boron (B), total phosphorus (P) and trace metals (Mn, Zn, Fe and Cu), and to identify and quantify emerging contaminants (pharmaceuticals and drugs of abuse) in the influent and effluent of Wastewater Treatment Plant (WWTP) of Morelia, using standardized methodologies, such as infrared spectroscopy FT-IR and mass spectrometry ESI-TOF-MS. The values of pH, EC, TDS, sodium adsorption ratio (SAR), B, P and trace metals were within the limits set by Mexican standards and international guidelines for wastewater reuse in agriculture. Emerging contaminants identified by ESI-TOF-MS were tetracycline, cefaclor, cefadroxil, ampicillin, clonazepam, lormetazepam, secobarbital, maprotiline, levothyroxine, cis-androsterone, paracetamol, lidocaine, brompheniramine, fexofenadine, amphetamine, morphine, benzoylecgonine, 11-nor-&#916;9-THC-9-COOH, dimetilamfetamina, phencyclidine, methadone y polyethyleneglycol. The removal efficiency of these pollutants in the effluent was 25.8 %, with extremes of 0 and 74.5 % for polyethyleneglycol and methadone, respectively.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[productos farmacéuticos]]></kwd>
<kwd lng="es"><![CDATA[aguas de riego]]></kwd>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="es"><![CDATA[reúso agrícola]]></kwd>
<kwd lng="en"><![CDATA[pharmaceutical products]]></kwd>
<kwd lng="en"><![CDATA[irrigation water]]></kwd>
<kwd lng="en"><![CDATA[trace metals]]></kwd>
<kwd lng="en"><![CDATA[agricultural reuse]]></kwd>
</kwd-group>
</article-meta>
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