<?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>2007-2422</journal-id>
<journal-title><![CDATA[Tecnología y ciencias del agua]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnol. cienc. agua]]></abbrev-journal-title>
<issn>2007-2422</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Tecnología del Agua, Coordinación de Comunicación, Participación e Información]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-24222020000200190</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2020-02-05</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de eco-eficiencia de tecnologías de tratamiento de aguas residuales domésticas en Chile]]></article-title>
<article-title xml:lang="en"><![CDATA[Eco-efficiency assessment of domestic wastewater treatment technologies used in Chile]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abello-Passteni]]></surname>
<given-names><![CDATA[Valentina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz Alvear]]></surname>
<given-names><![CDATA[Edmundo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lira]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garrido-Ramírez]]></surname>
<given-names><![CDATA[Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Andres Bello Facultad de Ciencias de la Vida Escuela de Ciencias Ambientales y Sustentabilidad]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Andres Bello Facultad de Ciencias de la Vida Centro de Investigación para la Sustentabilidad]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Andres Bello Facultad de Ciencias de la Vida Centro de Investigación para la Sustentabilidad]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Andres Bello Facultad de Ciencias de la Vida Centro de Investigación para la Sustentabilidad]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</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>11</volume>
<numero>2</numero>
<fpage>190</fpage>
<lpage>228</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222020000200190&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222020000200190&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222020000200190&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las plantas de tratamiento de aguas residuales han sido el medio más utilizado para mitigar los impactos ambientales de las aguas residuales domésticas. En la actualidad, Chile cuenta con la mayor cobertura de saneamiento de aguas residuales (99.85%) en Latinoamérica, mediante la utilización de tecnologías convencionales, sobre todo lodos activos y lagunas aireadas, y no convencionales como biofiltro, vermi-biofiltro, entre otros. Si bien todas las tecnologías permiten cumplir con las normas de descarga, existen diferencias en los flujos de materia y energía asociados con el tipo de tecnología utilizada, lo que implica la generación de distintos impactos ambientales. El objetivo de esta investigación fue evaluar la eco-eficiencia de diferentes tecnologías de tratamiento de aguas residuales domésticas utilizadas en Chile, con base en los requisitos de la norma ISO 14045 (2012). Para ello se utilizó como unidad funcional 1 kg de DBO5 removida y una función de valor asociada con el volumen de agua tratada (m3). Se analizaron 15 plantas de tratamiento de aguas residuales en Chile, utilizando la metodología de análisis de ciclo de vida para cuantificar los impactos ambientales. Se determinó que el consumo eléctrico es el principal aspecto ambiental del tratamiento de aguas residuales domésticas para la mayoría de las categorías de impacto estudiadas. En términos de cambio climático y eutrofización de agua dulce, la tecnología más eco-eficiente fue el vermi-biofiltro, lo cual refleja que las tecnologías emergentes no convencionales son más eco-eficientes que las convencionales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Wastewater treatment plants have been the widest technologies used to mitigate the environmental impacts of domestic wastewater. Currently, Chile has the largest coverage of wastewater sanitation (99.85%) of Latin American, through the use of conventional technologies, mainly active sludge and aerated lagoons and also unconventional technologies such as biofilter, vermi-biofilter, among others. Although all technologies allow fulfilling with discharge standards, there are differences in the flows of matter and energy associated with the kind of technology used, which implies the generation of different environmental impacts. The objective of this research was to evaluate the eco-efficiency of different domestic wastewater treatment technologies used in Chile, based on the requirements of ISO 14045 (2012). For this purpose, 1 kg of removed BOD5 was used as a functional unit and a value function associated with the volume of treated water (m3). Fifteen plants of wastewater treatment in Chile were analyzed, using the life cycle assessment methodology to quantify environmental impacts. The main environmental aspect of domestic wastewater treatment for most of the impact categories studied was electricity consumption. The vermi-biofilter was the most eco-efficient technology for climate change and freshwater eutrophication categories. This result reflecting that unconventional emerging technologies are more eco-efficient than conventional ones.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[eco-eficiencia]]></kwd>
<kwd lng="es"><![CDATA[planta de tratamiento]]></kwd>
<kwd lng="es"><![CDATA[aguas residuales domésticas]]></kwd>
<kwd lng="es"><![CDATA[análisis de ciclo de vida]]></kwd>
<kwd lng="en"><![CDATA[Eco-efficiency]]></kwd>
<kwd lng="en"><![CDATA[plant of treatment]]></kwd>
<kwd lng="en"><![CDATA[wastewater domestic]]></kwd>
<kwd lng="en"><![CDATA[life cycle assessment]]></kwd>
</kwd-group>
</article-meta>
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