<?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>S0188-49992017000100037</article-id>
<article-id pub-id-type="doi">10.20937/rica.2017.33.01.03</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[EVALUACIÓN DE TRES SISTEMAS DE HUMEDALES HÍBRIDOS A ESCALA PILOTO PARA LA REMOCIÓN DE NITRÓGENO]]></article-title>
<article-title xml:lang="en"><![CDATA[EVALUATION OF THREE PILOT-SCALE HYBRID WETLAND SYSTEMS FOR NITROGEN REMOVAL]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres Bojorges]]></surname>
<given-names><![CDATA[Ángeles Xitlalli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Razo]]></surname>
<given-names><![CDATA[Noemy Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fausto Urquieta]]></surname>
<given-names><![CDATA[Airam Aseret]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zurita Martínez]]></surname>
<given-names><![CDATA[Florentina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de la Ciénega Laboratorio de Calidad Ambiental]]></institution>
<addr-line><![CDATA[Ocotlán Jalisco]]></addr-line>
<country>Mexico</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>33</volume>
<numero>1</numero>
<fpage>37</fpage>
<lpage>47</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992017000100037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992017000100037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992017000100037&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este estudio se evaluaron y compararon tres sistemas de humedales híbridos para la remoción de nitrógeno total (Ntotal) durante dos años. Se cuantificó el contenido de cada uno de los componentes nitrogenados: nitrógeno amoniacal (N-NH4 +), nitrato (NO3 -) y nitrógeno orgánico (NOrg). El primer sistema (I) estuvo compuesto de un humedal subsuperficial de flujo horizontal (HSSFH), seguido de una laguna de estabilización (LE) aerobia; el segundo (II) por HSSFH seguido de un humedal subsuperficial de flujo vertical (HSSFV); y el tercero (III), por HSSFV seguido de HSSFH. Los tres sistemas fueron muy efectivos para la nitrificación. Se registraron incrementos elevados en la concentración de NO3 - en los efluentes y eficiencias altas en la remoción de N-NH4 +. Estas eficiencias fueron de 76.2 % y 78.7 %, en el sistema I; de 87.4 % y 92.5 % en el sistema II y de 82.6 % y 97.2 % en el sistema III, en el primer y segundo año, respectivamente. Respecto a la remoción de Ntotal, el sistema I (HSSFH-LE) fue el más efectivo (p &lt; 0.05) con remociones de 59.4 % y 57.7 % en los años 1 y 2, respectivamente. En los sistemas II (HSSFH-HSSFV) y III (HSSFV-HSSFH) las remociones fueron de 21.2 % y 34.4 %, y de 25.0 % y 36.3 %, respectivamente. La baja remoción de Ntotal en los sistemas II y III, aparentemente se debió a una baja tasa de desnitrificación ante la ausencia de zonas anóxicas/anaerobias más extensas como resultado de la baja profundidad de los HSSFH y de las características del medio filtrante, tales como su distribución de tamaño de partícula (tezontle molido) y su elevada porosidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this two-year study, three hybrid constructed wetlands were evaluated and compared for Total-N removal, quantifying the content of each of the nitrogen compounds: Ammonium (NH4 +), nitrate (NO3 -) and organic nitrogen (Org-N). The first system (I) consisted of a subsurface flow horizontal wetland (SSFHW) followed by an aerobic stabilization pond (SP); the second one (II) consisted of a SSFHW followed by a subsurface flow vertical wetland (SSFVW); and the third one (III) was configured with a SSFVW followed by a SSFHW. The three systems were very effective for nitrification, reaching a high increase in nitrate concentrations in the effluents and high efficiencies in the N-NH4 + removal. These efficiencies were 76.2% and 78.7%, in the system I; 87.4% and 92.5% in the system II and 82.6% and 97.2% in the system III, during the first and the second year, respectively. With regard to the removal of Total-N, the system I (SSFHW-SP) was the most effective (p &lt;0.05) with removal of 59.4% and 57.7% in the first and the second year, respectively. In the systems II (SSFHW-SSFVW) and III (SSFVW-SSFHW), the removals were 21.2% and 34.4%, and 25.0% and 36.3%, respectively for the first and the second year. The low removal of Total-N in the systems II and III, apparently were due to a low rate of denitrification because of the absence of a larger anoxic/anaerobic area; as a result of the shallow depth of the SSFHWs and the characteristics of the filter medium such as its grain size distribution (ground tezontle) and high porosity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[nitrógeno amoniacal]]></kwd>
<kwd lng="es"><![CDATA[nitrógeno orgánico]]></kwd>
<kwd lng="es"><![CDATA[nitrato]]></kwd>
<kwd lng="es"><![CDATA[humedales verticales]]></kwd>
<kwd lng="es"><![CDATA[Canna indica]]></kwd>
<kwd lng="es"><![CDATA[Strelitzia reginae]]></kwd>
<kwd lng="en"><![CDATA[ammonium]]></kwd>
<kwd lng="en"><![CDATA[organic nitrogen]]></kwd>
<kwd lng="en"><![CDATA[nitrate]]></kwd>
<kwd lng="en"><![CDATA[vertical wetlands]]></kwd>
<kwd lng="en"><![CDATA[Canna indica]]></kwd>
<kwd lng="en"><![CDATA[Strelitzia reginae]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Standard methods for the examination of water and wastewater]]></article-title>
<collab>APHA</collab>
<collab>AWWA</collab>
<collab>WEF</collab>
<source><![CDATA[American Public Health Association - American Water Works Association - Water Environment Federation]]></source>
<year>2005</year>
<page-range>1368</page-range><publisher-loc><![CDATA[Washington, DC, EUA ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effluent quality and reuse potential of domestic wastewater treated in a pilot-scale hybrid constructed wetland system]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ayaz]]></surname>
<given-names><![CDATA[S.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Aktas]]></surname>
<given-names><![CDATA[Ö.]]></given-names>
</name>
<name>
<surname><![CDATA[Akca]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Findik]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Environ. Manage.]]></source>
<year>2015</year>
<volume>156</volume>
<page-range>115-20</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brix]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Johansen]]></surname>
<given-names><![CDATA[N.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Experiments in a two stage constructed wetland system: nitrification capacity and effects of recycling on nitrogen removal]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Vymazal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Wetlands: Nutrients, metals and mass cycling]]></source>
<year>2003</year>
<page-range>237-58</page-range><publisher-loc><![CDATA[Leiden, Holanda ]]></publisher-loc>
<publisher-name><![CDATA[Backhuys Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A review of ammonium attenuation in soil and groundwater]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Buss]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Herbert]]></surname>
<given-names><![CDATA[A.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Thornton]]></surname>
<given-names><![CDATA[S.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[J.W.N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Q. J. Eng. Geol. Hydroge.]]></source>
<year>2004</year>
<volume>37</volume>
<page-range>347-59</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Removal of nutrients from wastewater with Canna indica L. under different vertical-flow constructed wetland conditions]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cui]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ouyang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Lou]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecol. Eng.]]></source>
<year>2010</year>
<volume>36</volume>
<page-range>1083-8</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Spatial distribution characteristics of environmental parameters and nitrogenous compounds in horizontal subsurface flow constructed wetland treating high nitrogen-content wastewater]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ding]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Song]]></surname>
<given-names><![CDATA[X.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecol. Eng.]]></source>
<year>2014</year>
<volume>70</volume>
<page-range>446-9</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gerardi]]></surname>
<given-names><![CDATA[M.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nitrification and denitrification in the activated sludge process]]></source>
<year>2002</year>
<page-range>193</page-range><publisher-loc><![CDATA[Nueva York, EUA ]]></publisher-loc>
<publisher-name><![CDATA[John Wiley and Sons, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Eliminación de nitrógeno en un humedal construido subsuperficial, plantado con Heliconia psíttacorum]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gutiérrez-Mosquera]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Peña-Varón]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tecnología y Ciencias del Agua]]></source>
<year>2011</year>
<volume>2</volume>
<page-range>49-60</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kadlec]]></surname>
<given-names><![CDATA[R.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Knight]]></surname>
<given-names><![CDATA[R.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Treatment wetlands]]></source>
<year>1996</year>
<page-range>928</page-range><publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Langergraber]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Prandtstetten]]></surname>
<given-names><![CDATA[Ch.]]></given-names>
</name>
<name>
<surname><![CDATA[Pressl]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sleytr]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Leroch]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Rohrhofer]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Haberl]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Investigations on nitrogen removal in a two-stage subsurface vertical flow constructed cetland]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Vymazal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Wastewater treatment, plant dynamics and management in constructed and natural wetlands]]></source>
<year>2008</year>
<page-range>199-209</page-range><publisher-loc><![CDATA[T&#345;ebo&#328;, República Checa ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mitsch]]></surname>
<given-names><![CDATA[W.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gosselink]]></surname>
<given-names><![CDATA[J.G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Wetlands]]></source>
<year>2007</year>
<page-range>582</page-range><publisher-loc><![CDATA[Nueva York, EUA ]]></publisher-loc>
<publisher-name><![CDATA[John Wiley and Sons, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Constructed wetlands for the Mediterranean countries: hybrid systems for water reuse and sustainable sanitation]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Masi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinuzzi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Desalination]]></source>
<year>2007</year>
<volume>215</volume>
<page-range>44-55</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Metcalf]]></surname>
</name>
<name>
<surname><![CDATA[Eddy]]></surname>
</name>
</person-group>
<source><![CDATA[Wastewater engineering treatment and reuse]]></source>
<year>2003</year>
<page-range>1819</page-range><publisher-loc><![CDATA[Nueva York, EUA ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Key design factors affecting microbial community composition and pathogenic organism removal in horizontal subsurface flow constructed wetlands]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morató]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Codony]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[L.M.]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sci. Total Environ.]]></source>
<year>2014</year>
<volume>481</volume>
<page-range>81-9</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Paul]]></surname>
<given-names><![CDATA[E.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Clark]]></surname>
<given-names><![CDATA[F.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil microbiology and biochemistry]]></source>
<year>1989</year>
<page-range>273</page-range><publisher-loc><![CDATA[San Diego, California, EUA ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Wastewater treatment high rate algal ponds for biofuel production]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Park]]></surname>
<given-names><![CDATA[J.B.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Craggs]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Shilton]]></surname>
<given-names><![CDATA[A.N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bioresour. Technol.]]></source>
<year>2011</year>
<volume>102</volume>
<page-range>35-42</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Dual role of microalgae: Phycoremediation of domestic wastewater and biomass production for sustainable biofuels production]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rawat]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Ranjith Kumar]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mutanda]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Bux]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Appl. Energ.]]></source>
<year>2011</year>
<volume>88</volume>
<page-range>3411-24</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pollutant removal in a multi-stage municipal wastewater treatment system comprised of constructed wetlands and a maduration pond, in a temperate climate]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Barceló-Quintal]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Moeller]]></surname>
<given-names><![CDATA[G.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water Sci. Technol.]]></source>
<year>2011</year>
<volume>64</volume>
<page-range>980-7</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Enhanced removal of organic matter and ammoniacal-nitrogen in a column experimental of tidal flow constructed wetland system]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Biotechnol.]]></source>
<year>2005</year>
<volume>115</volume>
<page-range>189-97</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Newly developed baffled subsurface-flow constructed wetland for the enhancement of nitrogen removal]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tee]]></surname>
<given-names><![CDATA[H.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lim]]></surname>
<given-names><![CDATA[P.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Seng]]></surname>
<given-names><![CDATA[C.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Nawi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biores. Technol.]]></source>
<year>2012</year>
<volume>104</volume>
<page-range>235-42</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Eficiencia de tres sistemas de humedales híbridos para la remoción de carbamazepina]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tejeda]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Reyna]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Barrera]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zurita]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tecnología y Ciencias del Agua]]></source>
<year>2015</year>
<volume>6</volume>
<page-range>19-31</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Horizontal sub-surface flow and hybrid constructed wetlands systems for wastewater treatment]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vymazal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecol. Eng.]]></source>
<year>2005</year>
<volume>25</volume>
<page-range>478-90</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Removal of nutrients in various types of constructed wetlands]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vymazal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sci. Tot. Environ.]]></source>
<year>2007</year>
<volume>380</volume>
<page-range>48-65</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The use of hybrid constructed wetlands for wastewater treatment with special attention to nitrogen removal: A review of a recent development]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vymazal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water Res.]]></source>
<year>2013</year>
<volume>47</volume>
<page-range>4795-811</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vymazal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kropfelová]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Wastewater treatment in constructed wetlands with horizontal sub-surface flow]]></source>
<year>2008</year>
<page-range>566</page-range><publisher-loc><![CDATA[Dordrecht, Holanda ]]></publisher-loc>
<publisher-name><![CDATA[Springer Science and Business Media]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A three-stage experimental constructed wetland for treatment of domestic sewage: First 2 years of operation]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vymazal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kropfelová]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecol. Eng.]]></source>
<year>2011</year>
<volume>37</volume>
<page-range>90-8</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Comparative study of three two-stage hybrid ecological wastewater treatment systems for producing high nutrient, reclaimed water for irrigation reuse in developing countries]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zurita]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[White]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water]]></source>
<year>2014</year>
<volume>6</volume>
<page-range>213-28</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Treatment of domestic wastewater and production of commercial flowers in vertical and horizontal subsurface-flow constructed wetlands]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zurita]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[De Anda]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Belmont]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecol. Eng.]]></source>
<year>2009</year>
<volume>35</volume>
<page-range>861-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
