<?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>S2007-24222017000100053</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2017-01-04</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tratamiento del drenaje ácido de minas: estudio de reducción de sulfato en mezclas orgánicas]]></article-title>
<article-title xml:lang="en"><![CDATA[Treatment of acid mine drainage: Study of sulphate reduction in organic mixtures]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[Norma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Schwarz]]></surname>
<given-names><![CDATA[Alex]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urrutia]]></surname>
<given-names><![CDATA[Homero]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Concepción  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>1</numero>
<fpage>53</fpage>
<lpage>64</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222017000100053&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222017000100053&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222017000100053&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las barreras permeables reactivas (BPR) son un sistema de tratamiento de aguas subterráneas usado en la descontaminación del drenaje ácido de minas. En esta tecnología, el material reactivo se dispone como barrera en el subsuelo, y el sulfato, los metales y la acidez son removidos por la actividad metabólica de los microorganismos reductores de sulfato (MRS). Los sustratos de las BPR deben ser económicos y proporcionar materia orgánica que favorezca el crecimiento de microorganismos. En esta investigación, usando reactores de operación discontinua, se evaluó la actividad de los MRS en 10 mezclas orgánicas con distintas proporciones de biosólidos provenientes de una planta de tratamiento de aguas residuales, tejido óseo de peces, compost de corteza y hierro cero valente. Las mezclas se incubaron a 30 ± 2 ºC durante 47 días. Como indicación de la reducción de sulfato se determinó pH, H2S, SO4 2-, potencial redox y alcalinidad. La cuantificación de los microorganismos totales se realizó por epifluorescencia usando DAPI y los MRS fueron cuantificados por NMP. Los resultados químicos y microbiológicos indicaron que las mezclas con mayor proporción de compost y con presencia de biosólidos y de hierro cero valente presentaron mayor actividad de los MRS. Los reactores con una sola fuente de materia orgánica mostraron los menores efectos en el tratamiento del drenaje ácido.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Permeable reactive barriers (PRB) are a system for the treatment of ground waters used in the decontamination of acid mine drainage. In this technology, the reactive material is placed as a barrier in the subsoil, and the sulphate, metals and acidity are removed by the metabolic activity of the Sulphate Reducing Microorganisms (SRM). The substrates of the PRB must be economical and provide organic material which favors microbial growth. In this research, biological batch reactors were used to evaluate SRM activity in 10 organic mixtures with different concentrations of: Bio solids obtained from a wastewater treatment plant, fish bone-tissue, and bark compost and zero-valent iron. The mixtures were incubated at 30 ± 2ºC for 47 days. To indicate the sulphate reduction pH, H2S, SO4 2-, redox potential and alkalinity were determined. The total numbers of microorganisms were determined by epifluorescence, and the numbers of SRM were determined by MPN. The chemical and microbiological results indicated that the mixtures with the greatest concentration of compost, and with presence of bio solids and zero-valent iron, presented higher SRM activity. Reactors with only a single source of organic material proved less effective in the treatment of acid mine drainage.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[drenaje ácido de minas]]></kwd>
<kwd lng="es"><![CDATA[reducción de sulfato]]></kwd>
<kwd lng="es"><![CDATA[mezclas orgánicas]]></kwd>
<kwd lng="es"><![CDATA[alcalinidad]]></kwd>
<kwd lng="en"><![CDATA[Acid mine drainage]]></kwd>
<kwd lng="en"><![CDATA[sulfate reduction]]></kwd>
<kwd lng="en"><![CDATA[organic mixtures]]></kwd>
<kwd lng="en"><![CDATA[alkalinity]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Acid mine drainage (AMD): Causes, treatment and case studies]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Akcil]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Koldas]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Cleaner Production]]></source>
<year>2006</year>
<volume>14</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1139-45</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<collab>APHA</collab>
<source><![CDATA[Standard methods for the examination of water and wastewater]]></source>
<year>2005</year>
<edition>20th</edition>
<publisher-loc><![CDATA[Washington, DC ]]></publisher-loc>
<publisher-name><![CDATA[American Public Health Association]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Geochemistry of a permeable reactive barrier for metals and acid mine drainage]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benner]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Blowes]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gould]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Herbert]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ptacek]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ. Sci. Technol.]]></source>
<year>1999</year>
<volume>33</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>2793-9</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Microbial populations associated with the generation and treatment of acid mine drainage]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benner]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Gould]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Blowes]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chemical Geology]]></source>
<year>2000</year>
<volume>169</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>435-48</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blowes]]></surname>
<given-names><![CDATA[D. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Ptacek]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jambor]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Weisener]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The geochemistry of acid mine drainage]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Holland]]></surname>
<given-names><![CDATA[H. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Karl]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Treatise on Geochemistry]]></source>
<year>2003</year>
<page-range>149-204</page-range><publisher-loc><![CDATA[Amsterdam ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Multiple factor design for reactive mixture selection for use in reactive walls in mine drainage treatment]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cocos]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Zagury]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Clement]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Samson]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water Research]]></source>
<year>2002</year>
<volume>36</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>167-77</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[An Apatite II permeable reactive barrier to remediate groundwater containing Zn, Pb and Cd]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Conca]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Wright]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Applied Geochemistry]]></source>
<year>2006</year>
<volume>21</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>2188-200</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Treatment of acid mine drainage by sulphate-reducing bacteria using low cost matrices]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jesus]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water Air Soil Pollut.]]></source>
<year>2008</year>
<volume>189</volume>
<numero>1-4</numero>
<issue>1-4</issue>
<page-range>149-62</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Basic concepts in environmental geochemistry of sulfidic mine-waste management]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dold]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Waste Manag.]]></source>
<year>2010</year>
<volume>24</volume>
<page-range>173-98</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Chemical characterization of natural organic substrates for biological mitigation of acid mine drainage]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gibert]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[De Pablo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortina]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ayora]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water Research]]></source>
<year>2004</year>
<volume>38</volume>
<numero>19</numero>
<issue>19</issue>
<page-range>4186-96</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Physiology and ecology of the sulphate-reducing bacteria]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gibson]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Applied Bacteriology]]></source>
<year>1990</year>
<volume>69</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>769-97</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The microbiology of acidic mine waters]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Hallberg]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Research in Microbiology]]></source>
<year>2003</year>
<volume>154</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>466-73</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Biogeochemistry of the compost bioreactor components of a composite acid mine drainage passive remediation system]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Hallberg]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2005</year>
<volume>338</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>81-93</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Zero valent iron as an electron-donor for methanogenesis and sulfate reduction in anaerobic sludge]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Karri]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sierra-Alvarez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Field]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biotechnology and Bioengineering]]></source>
<year>2005</year>
<volume>92</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>811-9</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Electron donors for biological sulfate reduction]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liamleam]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Annachhatre]]></surname>
<given-names><![CDATA[A. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biotechnology Advances]]></source>
<year>2007</year>
<volume>25</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>452-63</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Zero-valent iron and organic carbon mixtures for remediation of acid mine drainage: Batch experiments]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lindsay]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ptacek]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Blowes]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gould]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Applied Geochemistry]]></source>
<year>2008</year>
<volume>23</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>2214-25</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Characterization and activity studies of highly heavy metal resistant sulphate-reducing bacteria to be used in acid mine drainage decontamination]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Faleiro]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Veríssimo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Barreiros]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Hazardous Materials]]></source>
<year>2009</year>
<volume>166</volume>
<numero>2-3</numero>
<issue>2-3</issue>
<page-range>706-13</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Passive treatment of acid mine drainage using sulfate-reducing bacteria: Critical review and research needs]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neculita]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Zagury]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bussiere]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Environmental Quality]]></source>
<year>2007</year>
<volume>36</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-16</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Biological treatment of highly contaminated acid mine drainage in batch reactors: Log-term treatment and reactive mixture characterization]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neculita]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Zagury]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Hazardous Materials]]></source>
<year>2008</year>
<volume>157</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>358-66</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Role of phosphate in the remediation and reuse of heavy metal polluted wastes and sites]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nzihou]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharrock]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Waste and Biomass Valorization]]></source>
<year>2010</year>
<volume>1</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>163-74</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Negative pH and extremely acid mine waters from Iron Mountain, California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nordstrom]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Alpers]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ptacek]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Blowes]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ. Sci. Technol.]]></source>
<year>2000</year>
<volume>34</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>254-8</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Biogenic hydroxyapatite (Apatite II&#8482;) dissolution kinetics and metal removal from acid mine drainage]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliva]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cama]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortina]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ayora]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[De Pablo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Hazardous Materials]]></source>
<year>2012</year>
<volume>213</volume>
<page-range>7-18</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Assessment of solid reactive mixtures for the development of biological permeable reactive barriers]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pagnanelli]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Viggi]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Mainelli]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Toro]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Hazardous Materials]]></source>
<year>2009</year>
<volume>170</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>998-1005</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Evaluating substrates in the biological treatment of acid mine drainage]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prasad]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Wai]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bérubé]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Henry]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental Technology]]></source>
<year>1999</year>
<volume>20</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>449-58</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Comparison of microbial community composition and activity in sulfate reducing batch systems remediating mine drainage]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pereyra]]></surname>
<given-names><![CDATA[L. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Hiibel]]></surname>
<given-names><![CDATA[S. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pruden]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Reardon]]></surname>
<given-names><![CDATA[K. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biotechnology and Bioengineering]]></source>
<year>2008</year>
<volume>101</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>702-13</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Diaz]]></surname>
<given-names><![CDATA[I. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Barahona]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Schwarz]]></surname>
<given-names><![CDATA[A. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Urrutia]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Effect of reactive material distribution in the biological treatment of acid mine drainage]]></source>
<year>2011</year>
<conf-name><![CDATA[ 2nd International Seminar on Environmental Issues in the Mining Industry]]></conf-name>
<conf-loc>Chile </conf-loc>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Performance of three bench-scale diffusive exchange systems during treatment of acid mine drainage with high copper concentration]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Schwarz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanhueza]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Chaparro]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Desalination and Water Treatment]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<article-title xml:lang=""><![CDATA[Dissimilatory sulfate - and sulfur-reducing prokaryotes]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rabus]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Widdel]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Prokaryotes]]></source>
<year>2006</year>
<page-range>659-768</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[SPRINGER]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The chemical anatomy of bone: I. A comparative study of bone composition in sixteen vertebrates]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[M. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Pellegrino]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Journal of Bone &amp; Joint Surgery]]></source>
<year>1966</year>
<volume>51</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>456-66</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Contenido de EPA y DHA en aceite crudo de pescado producido en Perú durante el periodo 1996-2000]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salas-Maldonado]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ayala-Galdós]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Albrecht-Ruiz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Tecnol. Aliment.]]></source>
<year>2002</year>
<volume>3</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>283-7</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The diffusion-active permeable reactive barrier]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schwarz]]></surname>
<given-names><![CDATA[A. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Rittmann]]></surname>
<given-names><![CDATA[B. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Contaminant Hydrology]]></source>
<year>2010</year>
<volume>112</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>155-62</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Acid mine drainage: Challenges and opportunities]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Simate]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ndlovu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Environ. Chem. Eng.]]></source>
<year>2014</year>
<volume>2</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1785-803</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Column experiments for microbiological treatment of acid mine drainage: low-temperature, low-pH and matrix investigations]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tsukamoto]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Killion]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water Research]]></source>
<year>2004</year>
<volume>38</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1405-18</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="">
<collab>US EPA</collab>
<source><![CDATA[Permeable Reactive Barrier Technologies for Contaminant Remediation]]></source>
<year>1998</year>
<publisher-loc><![CDATA[Washington DC ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="">
<collab>US EPA</collab>
<source><![CDATA[Management and treatment of water from hard-rock mines. draft engineering issue]]></source>
<year>2005</year>
<publisher-loc><![CDATA[Washington DC ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Selection of reactive mixture for biochemical passive treatment of acid mine drainage]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vasquez]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Escobar]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Neculita]]></surname>
<given-names><![CDATA[C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Arbeli]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Roldan]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental Earth Sciences]]></source>
<year>2016</year>
<volume>75</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Selection of reactive mixtures for use in permeable reactive walls for treatment of mine drainage]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Waybrant]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Blowes]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Ptacek]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ. Sci. Technol.]]></source>
<year>1998</year>
<volume>32</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>1972-9</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wright]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Conca]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Remediation of groundwater contaminated with Zn, Pb and Cd using a permeable reactive barrier with Apatite II]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Washington DC ]]></publisher-loc>
<publisher-name><![CDATA[RTDF PRB Action Meeting]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Characterization and reactivity assessment of organic substrates for sulphate-reducing bacteria in acid mine drainage treatment]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zagury]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Kulnieks]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Neculita]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chemosphere]]></source>
<year>2006</year>
<volume>64</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>944-55</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
