<?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>S0188-49992024000100152</article-id>
<article-id pub-id-type="doi">10.20937/rica.55100</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de la remoción de la materia orgánica de efluente de camal aplicando procesos Fenton y foto-Fenton]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of the removal of organic matter from a slaughterhouse effluent by applying Fenton and photo-Fenton processes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garcés-Porras]]></surname>
<given-names><![CDATA[Karen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zavaleta Espinoza]]></surname>
<given-names><![CDATA[Shiomara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Andina del Cusco Facultad Ingeniería y Arquitectura Escuela Profesional de Ingeniería Ambiental]]></institution>
<addr-line><![CDATA[Cusco ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<volume>40</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992024000100152&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992024000100152&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992024000100152&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las actividades de sacrificio de animales en un camal (matadero) requieren de gran consumo de agua; en consecuencia, generan aguas residuales con alta carga orgánica, cuya disposición representa un problema ambiental. Por esta razón, en la presente investigación se evaluó, mediante técnicas estadísticas, la eficiencia de los procesos Fenton y foto-Fenton para la remoción de materia orgánica del efluente del Camal Municipal de Cusco-Perú. Previamente se realizó la evaluación, el seguimiento y el análisis de las características del efluente y el diagnóstico del punto de muestreo. Para el muestreo del efluente se utilizaron la metodología y los procedimientos de toma de muestra establecidos por la normativa peruana. En cada uno de los experimentos realizados se determinaron las concentraciones inicial y final de la demanda bioquímica de oxígeno (DBO5). Se utilizó el diseño de caja Behnken para la matriz de distribución de los 30 experimentos con sus respectivos niveles, correspondiente a los parámetros FeSO4&#8226;7H2O, H2O2 y pH. Los ensayos se realizaron en una prueba de jarras, con velocidad de agitación de 150 rpm y tiempo de reacción de 1 h. En el caso del proceso foto-Fenton, se instaló un foto-reactor con una lámpara 13 W (UV-C 254 nm), empleando la misma velocidad de agitación y tiempo de reacción. Respecto del proceso Fenton, los resultados alcanzados en la investigación indican un decaimiento de la DBO5 del 93.96 %, en comparación con el proceso foto-Fenton, que alcanzó un 94.63 %.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Slaughtering animals in a slaughterhouse requires large consumption of water and, consequently, generates wastewater with a high organic load, the disposal of which represents an environmental problem. For this reason, in the present investigation, the efficiency of the Fenton and photo-Fenton processes in the removal of organic matter from the effluent of the municipal slaughterhouse of Cusco, Peru, was evaluated using statistical techniques. Previously, the effluent&#8217;s characteristics and the sampling point&#8217;s diagnosis were evaluated, monitored, and analyzed. The methodology and sampling procedures established by Peruvian regulations were used for the effluent sampling. The initial and final concentration of the biochemical oxygen demand (BOD5) was determined in each experiment. The box-Behnken design was used for the distribution matrix of the 30 experiments with their respective levels, corresponding to the following parameters: FeSO4&#8226;7H2O, H2O2, and pH. The tests were carried out in a jar test, with a stirring speed of 150 rpm and a reaction time of 1 h. In the case of the photo-Fenton process, a photoreactor with a 13 W lamp (UV-C 254 nm) was installed using the same stirring speed and reaction time. The results achieved in the research, with respect to the Fenton process, indicate a BOD5 decrease of 93.96 % compared to the Photo-Fenton process, which reached 94.63 %.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[procesos de oxidación avanzados]]></kwd>
<kwd lng="es"><![CDATA[decaimiento DBO5]]></kwd>
<kwd lng="es"><![CDATA[tratamiento de aguas]]></kwd>
<kwd lng="es"><![CDATA[carga orgánica]]></kwd>
<kwd lng="en"><![CDATA[advanced oxidation processes]]></kwd>
<kwd lng="en"><![CDATA[BOD5 decay]]></kwd>
<kwd lng="en"><![CDATA[organic load]]></kwd>
<kwd lng="en"><![CDATA[water treatment]]></kwd>
</kwd-group>
</article-meta>
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