<?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>1909-0455</journal-id>
<journal-title><![CDATA[Producción + Limpia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. P+L]]></abbrev-journal-title>
<issn>1909-0455</issn>
<publisher>
<publisher-name><![CDATA[Corporación Universitaria Lasallista]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1909-04552021000100186</article-id>
<article-id pub-id-type="doi">10.22507/pml.v16n1a10</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Modelo Correlacionai de Sólidos Suspendidos Totales Presentes en Aguas Residuales Domésticas Mediante Análisis de Turbiedad]]></article-title>
<article-title xml:lang="en"><![CDATA[Correlational Model of Total Suspended Solids Present in Domestic Wastewater Using Turbidity Analysis]]></article-title>
<article-title xml:lang="pt"><![CDATA[Modelo Correlacional de Sólidos Suspensos Totais Presentes em Águas Residuais Domésticas Usando Análise de Turbidez]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bolívar-Cuartas]]></surname>
<given-names><![CDATA[Sandra M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castaño-Muñoz]]></surname>
<given-names><![CDATA[Diego L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Flórez]]></surname>
<given-names><![CDATA[Omar D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico Metropolitano Facultad Ciencias Exactas y Aplicadas ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico Metropolitano Facultad Ciencias Exactas y Aplicadas ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico Metropolitano Facultad Ciencias Exactas y Aplicadas ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>16</volume>
<numero>1</numero>
<fpage>186</fpage>
<lpage>197</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1909-04552021000100186&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1909-04552021000100186&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1909-04552021000100186&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: Standard Methods Organization definió una serie de métodos analíticos que permiten medir la calidad del agua, entre los que puede citarse la norma 2540 D como el método convencional para determinar la cantidad de sólidos suspendidos totales (SST). Este método, sin embargo, toma mucho tiempo (2 horas) en desarrollarse, por lo que actualmente existen diversos esfuerzos para cuantificar los SST de forma más rápida, mediante su correlación con otros parámetros fisicoquímicos. En este sentido, los parámetros SST y turbiedad son de gran interés en esta investigación, con los cuales se busca establecer una posible correlación usando un modelo matemático simple.  Objetivo: el propósito de esta investigación es establecer un modelo de correlación entre la concentración de sólidos suspendidos totales (SST) y unidades nefelométricas de turbiedad (NTU) en muestras de Caolín que permita una determinación rápida e in-situ de los niveles de SST en aguas residuales domésticas.  Materiales y Métodos: el desarrollo experimental fue realizado en tres etapas: primero, se prepararon soluciones a partir de Caolín a las que se les determinó la turbiedad; segundo, se realizó una regresión lineal que contempló como variables los parámetros de concentración de SST y turbiedad por nefelometría; y tercero, se tomaron dos muestras de aguas residuales domésticas proveniente de un afluente y un acuario, a la que se le aplicaron las mismas mediciones, SST y turbiedad.  Resultados: se construyó una curva de calibración donde se muestra la regresión lineal entre SST y turbiedad, posteriormente, se interpolan las NTU de las muestras de agua problema con la concentración de SST y se obtuvo como resultado 47,69mgSST/L para el afluente y 106,29mgSST/L para el agua del acuario, los cuales presentan una diferencia de 2,7 % y 1,7 % respectivamente con relación a los valores estimados con el método termogravimétrico convencional (norma 2540 D) 49mgSST/L y 104,50mgSST/L.  Conclusión: es posible establecer un modelo correlacional para la determinación de la concentración de SST en muestras de aguas residuales domésticas usando el método de turbiedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary  Introduction: Standard Methods Organization defined a number of analytical methods that allow measuring water quality, including the standard norm 2540 D as the conventional method for determining the quantity of total suspended solids (TSS). This method, however, takes a long time (2 hours) to develop, so there are currently several efforts to quantify TSS more quickly, by correlating them with other physicochemical parameters. In this sense, the parameters TSS and turbidity are of great interest in this research, with which we seek to establish a possible correlation using a simple mathematical model.  Objective: the purpose of this research is to establish a correlation model between the concentration of total suspended solids (TSS) and nephelometric turbidity units (NTU) in Kaolin samples that allow a rapid determination and in-situ of TSS levels in domestic wastewater.  Materials and methods: the experimental development was carried out in three stages: first, solutions were prepared from Kaolin to which turbidity was determined; second, a linear regression was performed that considered as variables the parameters of TSS concentration and turbidity by nephelometry; and third, two samples of domestic wastewater from a tributary and an aquarium were taken, to which the same measurements of TSS and turbidity, were applied.  Results: a calibration curve was built showing the linear regression between TSS and turbidity, subsequently, the NTU of the water samples problem with the concentration of TSS was interpolated and the result obtained was 47.69 mgTSS/L for the tributary and 106.29mgTSS/L for the aquarium water, which have a difference of 2.7 % and 1.7 % respectively in relation to the values estimated with the conventional thermogravimetric method (standard norm 2540 D) 49 mgTSS/L and 104.50mgTSS/L.  Conclusion: it is possible to establish a correlational model for the determination of the concentration TSS in domestic wastewater samples using the turbidity method.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução: a Standard Methods Organization definiu uma série de métodos analíticos que permitem medir a qualidade da água, incluindo a norma padrão 2540 D como o método convencional para determinar a quantidade de sólidos suspensos totais (SST). Este método, no entanto, leva um longo tempo (2 horas) para se desenvolver, por isso existem atualmente vários esforços para quantificar a SST mais rapidamente, correlacionando-os com outros parâmetros físico-químicos. Nesse sentido, os parâmetros SST e turbidez são de grande interesse nesta pesquisa, com a qual buscamos estabelecer uma possível correlação utilizando um modelo matemático simples.  Objetivo: o objetivo desta pesquisa é estabelecer um modelo de correlação entre a concentração de sólidos suspensos totais (SST) e unidades de turbidez nefelométrica (UTN) em amostras de Kaolin que permita uma determinação rápida e in situ dos níveis de SST em águas residuais domésticas.  Materiais e Métodos: o desenvolvimento experimental foi realizado em três etapas: primeiro, foram preparadas soluções a partir de Kaolin para as quais a turbidez foi determinada; segundo, foi realizada uma regressão linear que considerou como variáveis os parâmetros de concentração de SST e turbidez por nefelometría; e terceiro, foram colhidas duas amostras de águas residuais domésticas de um afluente e um aquário, para as quais foram aplicadas as mesmas medidas de SST e turbidez.  Resultados: foi construída uma curva de calibração mostrando a regressão linear entre SST e turbidez, posteriormente, a UTN do problema das amostras de água com a concentração de SST foi interpolada e o resultado obtido foi de 47,69 mgSST/L para o afluente e 106,29 mgSST/L para a água do aquário, que têm uma diferença de 2,7 % e 1,7 % respectivamente em relação aos valores estimados com o método termogravimétrico convencional (padrão 2540 D) 49 mgSST/ L e 104,50 mg SST / L.  Conclusão: é possível estabelecer um modelo correlacional para a determinação da concentração de SST em amostras domésticas de águas residuais utilizando o método de turbidez.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sólidos suspendidos totales]]></kwd>
<kwd lng="es"><![CDATA[turbiedad]]></kwd>
<kwd lng="es"><![CDATA[correlación]]></kwd>
<kwd lng="es"><![CDATA[aguas residuales domésticas]]></kwd>
<kwd lng="en"><![CDATA[Total suspended solids]]></kwd>
<kwd lng="en"><![CDATA[turbidity]]></kwd>
<kwd lng="en"><![CDATA[correlation]]></kwd>
<kwd lng="en"><![CDATA[domestic wastewater]]></kwd>
<kwd lng="pt"><![CDATA[Sólidos suspensos totais]]></kwd>
<kwd lng="pt"><![CDATA[turbidez]]></kwd>
<kwd lng="pt"><![CDATA[correlação]]></kwd>
<kwd lng="pt"><![CDATA[águas residuais domésticas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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