<?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>0379-3982</journal-id>
<journal-title><![CDATA[Revista Tecnología en Marcha]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnología en Marcha]]></abbrev-journal-title>
<issn>0379-3982</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0379-39822016000400047</article-id>
<article-id pub-id-type="doi">10.18845/tm.v29i4.3036</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Degradación de bromacil mediante la cepa IT-01 de Penicillium spp. y su aplicación en un biofiltro a escala laboratorio]]></article-title>
<article-title xml:lang="en"><![CDATA[Bromacil degradation by IT-01 strain Penicillium spp. and its application in a laboratory scale biofilter]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos-Vargas]]></surname>
<given-names><![CDATA[Emmanuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calvo-Romero]]></surname>
<given-names><![CDATA[Kenia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montero-Campos]]></surname>
<given-names><![CDATA[Virginia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ambientica Consulting  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>29</volume>
<numero>4</numero>
<fpage>47</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822016000400047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822016000400047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822016000400047&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El bromacil es un pesticida que se ha encontrado en fuentes de abastecimiento de agua en Costa Rica. Se ha estudiado su degradación en matriz acuosa, principalmente con métodos fotoquímicos. En este artículo se presentan los resultados de un estudio que evalúo la degradación de bromacil por un hongo filamentoso identificado como cepa IT-01 del género Penicillium spp, aislado de suelo contaminado con el herbicida. Se estudió y valoró la eficiencia de remoción del bromacil en un biofiltro a escala laboratorio. Las pruebas se realizaron en el laboratorio de Ingeniería Aplicada de la carrera de Ingeniería Ambiental y el Centro de Investigación y de Servicios Químicos y Microbiológicos (CEQIATEC) del Tecnológico de Costa Rica. La eficiencia de remoción del pesticida al utilizar el microorganismo en un medio acuoso suspendido fue del 50% en 72 horas; sin embargo, al fijarse el hongo en esponja marina y utilizarse en un biofiltro, se obtuvo una eficiencia promedio del 80%, en un tiempo de 18 a 39 segundos. Durante los ensayos del biofiltro se evaluó el tipo de esponja marina como medio de soporte, el efecto de la inoculación del medio filtrante y el tiempo de retención hidráulico. Utilizando el software Minitab, se determinó, con un 95% de confianza, que la inoculación del medio fue el único parámetro que afectó significativamente la eficiencia de remoción del bromacil.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Bromacil is a pesticide that has been found in water sources in Costa Rica and its degradation in aqueous matrix has been studied mainly by photochemical methods. This article exposes the Bromacil degradation by a filamentous fungus identified as strain IT-01 Penicillium spp, isolated from contaminated soil and its application in a laboratory scale biofilter. The tests were made at Applied Environmental Engineering laboratories and the Center for Research and Chemical Microbiological Services at Costa Rican Institute of Technology. The removal efficiency using the microorganism in an aqueous suspended medium was 50% in 72 hours; however, adhering the fungus and used in a marine sponge in biofilter it was obtained a removal efficiency of 80% with retention times from 18 to 39 seconds. During the biofilter tests: the type of marine sponge as a supporting mean, the effect of inoculation of the filter medium and the hydraulic retention time were evaluated. Through Minitab software, it was determined at 95% confidence that the inoculation of the medium was the only parameter that significantly affects the efficiency of removal for this pollutant.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bromacil]]></kwd>
<kwd lng="es"><![CDATA[biofiltro]]></kwd>
<kwd lng="es"><![CDATA[esponja]]></kwd>
<kwd lng="es"><![CDATA[Penicillium spp]]></kwd>
<kwd lng="en"><![CDATA[Bromacil]]></kwd>
<kwd lng="en"><![CDATA[biofilter]]></kwd>
<kwd lng="en"><![CDATA[sponge]]></kwd>
<kwd lng="en"><![CDATA[Penicillium spp]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Agüero]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[AyA repartirá agua a pueblos afectados por contaminación]]></source>
<year>2007</year>
<publisher-loc><![CDATA[San José ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Anju]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ravi]]></surname>
<given-names><![CDATA[S.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Bechan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Water Pollution with Special Reference to Pesticide Contamination in India]]></article-title>
<source><![CDATA[Scientific Research]]></source>
<year>2010</year>
<volume>2</volume>
<page-range>432-48</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benner]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Helbling]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Kohler]]></surname>
<given-names><![CDATA[H.-P.]]></given-names>
</name>
<name>
<surname><![CDATA[Wittebol]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kaiser]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Prasse]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Boon]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Is biological treatment a viable alternative for micropollutant removal in drinking water treatment processes?]]></article-title>
<source><![CDATA[Water Research]]></source>
<year>2013</year>
<volume>47</volume>
<page-range>59555976</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boeglin]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<source><![CDATA[Nivel de cumplimiento de decisiones judiciales en materia ambiental relativas a la protección del recurso hídrico]]></source>
<year>2010</year>
<page-range>26</page-range><publisher-loc><![CDATA[San José ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carl]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Degradation of Bromacil Terbacil, 2,4d and Antrazine and Antrazinein soil and pure culture and their effect on microbial activity]]></source>
<year>1973</year>
<publisher-name><![CDATA[University of California Riverside]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carlson]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Amy]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Importance of Soluble Microbial Products (SMPS) in Biological Drinking Water Treatment]]></article-title>
<source><![CDATA[Water Research]]></source>
<year>2000</year>
<volume>34</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1386-96</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Crawford]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosenberg]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bioremediation]]></article-title>
<source><![CDATA[The Prokaryotes]]></source>
<year>2013</year>
<edition>4 ed</edition>
<page-range>295-304</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[BROMACIL]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Marín]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pozo]]></surname>
<given-names><![CDATA[Ó.]]></given-names>
</name>
<name>
<surname><![CDATA[Sancho]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Morell]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pesticide residues and transformation products in groundwater from a Spanish agricultural region on the Mediterranean Coast]]></article-title>
<source><![CDATA[International Journal of Environmental Analytical Chemistry]]></source>
<year>2008</year>
<volume>88</volume>
<page-range>409-24</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kalyani]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Photodegradation of Bromacil and Terbacil by Ultraviolet Radiation]]></source>
<year>1993</year>
<publisher-name><![CDATA[Florida Atlantic University]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liao]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Dai]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Xie]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Operational performance, biomass and microbial community structure: impacts of backwashing on drinking water biofilter]]></article-title>
<source><![CDATA[Environmental Science Pollution Research]]></source>
<year>2015</year>
<volume>22</volume>
<page-range>546-54</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Norton]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[LeChevallier]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Pilot Study of Bacteriological Population Changes through Potable Water Treatment and Distribution]]></article-title>
<source><![CDATA[Applied and Environmental Microbiology]]></source>
<year>2000</year>
<volume>66</volume>
<page-range>268-76</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pfeuffer]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[South Florida Water Management District ambient pesticide monitoring network: 1992 to 2007]]></article-title>
<source><![CDATA[Environmental Monitoring Assesment]]></source>
<year>2011</year>
<volume>182</volume>
<page-range>485-508</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rasul]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortez]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Degradation of Bromacil by a Pseudomonas sp]]></article-title>
<source><![CDATA[Applied and Environmental Microbiology]]></source>
<year>1988</year>
<volume>53</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>2203-7</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruepert]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bravo]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Fallas]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Vulnerabilidad de las aguas subterráneas a la contaminación por plaguicidas en Costa Rica]]></source>
<year>2005</year>
<page-range>57</page-range><publisher-loc><![CDATA[Heredia, C.R ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schipper]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Vissers]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pesticides in groundwater and drinking water wells; overview of the situation in the Netherlands]]></article-title>
<source><![CDATA[Water Science Technology]]></source>
<year>2008</year>
<volume>57</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1277-86</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Young-Song]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Yoon-Jin]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Sang-ho]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of a pilot scale dual media biological activated carbon process for drinking water]]></article-title>
<source><![CDATA[Korean Journal of Chemical Engineering]]></source>
<year>2007</year>
<volume>24</volume>
<numero>253 -260)</numero>
<issue>253 -260)</issue>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Wei]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ye]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Shuting]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[PLFA profiles of drinking water biofilters with different acetate and glucose loadings]]></article-title>
<source><![CDATA[Ecotoxicology]]></source>
<year>2009</year>
<volume>18</volume>
<page-range>700-6</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Geng]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ustin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tanji]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pesticide occurrence in groundwater in Tulare County, California]]></article-title>
<source><![CDATA[Environmental Monitoring and Assessment]]></source>
<year>1997</year>
<volume>45</volume>
<page-range>101-27</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
