<?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>S2007-24222017000300075</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2017-03-05</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tratamiento microbiano de aguas ácidas resultantes de la actividad minera: una revisión]]></article-title>
<article-title xml:lang="en"><![CDATA[Microbial treatment of acid mine drainage (AMD): A review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pozo-Antonio]]></surname>
<given-names><![CDATA[José Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puente]]></surname>
<given-names><![CDATA[Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lagüela]]></surname>
<given-names><![CDATA[Susana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Veiga]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade de Vigo  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Escuela Naval Militar  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Salamanca  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>3</numero>
<fpage>75</fpage>
<lpage>91</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222017000300075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222017000300075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222017000300075&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La oxidación de minerales sulfurados presentes en los residuos de actividad minera de yacimientos polimetálicos con sulfuros, especialmente pirita u otros, como calcopirita o pirrotina, genera drenajes ácidos de mina (AMD, por sus siglas en inglés, acid mine drainage) ricos en elementos potencialmente tóxicos, que pueden contaminar a los cuerpos de agua vulnerables, ya sean superficiales o profundos. La oxidación de la pirita y, en menor grado, la de otros sulfuros, por la acción del aire y agua tiene lugar a través de dos tipos de mecanismos: uno de naturaleza inorgánica, debido al oxígeno molecular o al ion férrico; y otro con intervención biótica, fundamentalmente de bacterias oxidantes del azufre y del hierro. La necesidad de mitigar y prevenir la formación de AMD ha promovido el desarrollo de numerosas investigaciones sobre los mecanismos de oxidación y su prevención. Los resultados de las investigaciones han sido la base del desarrollo de tecnologías de prevención o control basadas en procedimientos físicos, químicos y biológicos; el uso de medidas microbiológicas es la menos dañina para el medio ambiente, dado que se trata de seres presentes en el mismo y que no conlleva la adición de agentes artificiales. El objetivo de esta revisión es examinar la documentación centrada en técnicas que actúan sobre los microrganismos oxidantes de Fe inhibiendo su actividad (técnicas preventivas) y en el empleo de microbios que reducen la acidez de los AMD ya generados (técnicas de remediación).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The oxidation of sulfide minerals, present in many current and historical abandoned mining activities of polymetallic deposits with sulphide, especially pyrite or others as pyrrhotite or chalcopyrite, generates acid mine drainage rich in potentially toxic elements that can contaminate sensitive water bodies, either superficial or dep. Pyrite oxidation and to a lesser extent, that of other sulfides, upon exposure of air and water, is conducted via two mechanisms: one of inorganic nature, due to the molecular oxygen or the ferric ion; and another mechanism with biotic intervention, mainly sulphur or iron-oxidizing bacteria. The need to mitigate and prevent AMD formation, has promoted the development of numerous studies on the oxidation mechanisms and AMD prevention. The research findings have been the basis for the development of prevention or control technologies based on physical, chemical and biological processes, the latter being much less harmful to the environment, given that they are already present there and it does not entail the addition of artificial agents. The aim of this review is to examine documentation focused on techniques that inhibit the action of the iron-oxidizing bacteria (prevention techniques) and the use of microbial communities to reduce the acidity of existing AMD (remediation techniques).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[AMD]]></kwd>
<kwd lng="es"><![CDATA[Thiobacillus ferrooxidans]]></kwd>
<kwd lng="es"><![CDATA[microorganismos]]></kwd>
<kwd lng="es"><![CDATA[pirita]]></kwd>
<kwd lng="es"><![CDATA[remediación]]></kwd>
<kwd lng="es"><![CDATA[minería]]></kwd>
<kwd lng="en"><![CDATA[AMD]]></kwd>
<kwd lng="en"><![CDATA[Thiobacillus ferrooxidans]]></kwd>
<kwd lng="en"><![CDATA[microorganisms]]></kwd>
<kwd lng="en"><![CDATA[pyrite]]></kwd>
<kwd lng="en"><![CDATA[remediation]]></kwd>
<kwd lng="en"><![CDATA[mining]]></kwd>
</kwd-group>
</article-meta>
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