Introducing a Promising New Disinfection Technology for the Fonce River in Colombia

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dc.creatorJara-Mora, Freddy Alexander
dc.creatorVargas-Tangua , Frank Carlos
dc.creatorNeira-Tavera , Jorge Alberto
dc.creatorCobos-Ramírez, Luis Eduardo
dc.creatorGamboa-Contreras, Wilson
dc.creatorMuñoz-Neira, Milton J
dc.date2024-09-19
dc.date.accessioned2025-10-01T23:53:13Z
dc.descriptionUrban wastewater disinfection is a critical component of environmental sustainability and human health. Current technologies for this are often costly and inaccessible to many communities. Typically, this treatment is carried out by chemical processes, with chlorination being the most common despite the potential for harmful disinfection byproducts. However, the emergence of promising alternatives, such as physical processes that utilize hydrodynamic cavitation reactors (HCRs), offers significant energy and environmental benefits. Based on this, the Fundación Universitaria San Gil, UNISANGIL, has developed a technology that utilizes hydrodynamic cavitation (HC) to disinfect urban wastewater samples discharged into the Fonce river in San Gil, Santander, Colombia. The primary objective of this research was to test the ability of a hydrodynamic cavitation system to reduce total coliforms and fecal coliforms (E. coli) in a 200 L tank containing 12.5 L of domestic urban wastewater diluted in 187.5 L of non-residual water. The methodology consisted of three steps: HCR design and simulation, HC implementation, and disinfection measurement. The experiments were conducted with a Venturi-type HCR, designed with computational fluid dynamics, and tested with wastewater samples from one of the ten discharges that flow into the river. The results obtained for a system with a flow capacity of 0.00625 m3/s show an average growth inhibition rate of 31.72 %, 59.45 %, and 84.53 % for one, ten, and twenty water recirculation, respectively, with an energy efficiency of 2327.6 CFU/J. The highest results reach a Growth Inhibition Rate (GIR) of 93.40 %, a Logarithmic Reduction (LR) of 1.18 for Total Coliforms, and a GIR of 95.12 % and an LR of 1.31 for E. coli. Finally, it is concluded that this technology holds great promise for efficiency and operational viability, with further testing required to realize its potential.en-US
dc.descriptionLa desinfección de aguas residuales urbanas es un componente crítico de la sostenibilidad medioambiental y la salud humana. Las tecnologías actuales suelen ser costosas e inaccesibles para muchas comunidades. Normalmente, este tratamiento se realiza mediante procesos químicos, siendo la cloración el más común a pesar del potencial de subproductos nocivos. Sin embargo, alternativas prometedoras, como los procesos físicos que utilizan reactores de cavitación hidrodinámica (HCR), ofrecen importantes ventajas energéticas y medioambientales. Sobre esta base, la Fundación Universitaria de San Gil, UNISANGIL, ha desarrollado una tecnología que aprovecha la cavitación hidrodinámica (HC, por sus siglas en inglés) para desinfectar muestras de aguas residuales urbanas vertidas al río Fonce en San Gil, Santander, Colombia. El objetivo principal de esta investigación fue probar la capacidad de un sistema de cavitación hidrodinámica para reducir coliformes totales y fecales (E. coli) en un tanque de 200 L que contenía 12.5 L de aguas residuales urbanas domésticas diluidas en 187.5 L de agua no residual. La metodología constó de tres pasos: diseño y simulación del HCR, montaje del HC y medición de la desinfección. Los experimentos se realizaron con un HCR de tipo Venturi, diseñado con fluidodinámica computacional, y se ensayaron con muestras de aguas residuales de uno de los diez vertimientos que desembocan en el río. Los resultados obtenidos para un sistema con caudal de 0.00625 m3/s muestran tasas medias de inhibición del crecimiento del 31.72 %, 59.45 %, y 84.53 % para una, diez y veinte recirculaciones de agua, respectivamente, con una eficiencia energética de 2327.6 CFU/J Los resultados más elevados alcanzaron una tasa de inhibición de crecimiento (GIR, por sus siglas en inglés) del 93.40 % y una reducción logarítmica (LR, por sus siglas en inglés) de 1.18 para Coliformes Totales, y un GIR del 95.12 % y un LR de 1.31 para E. coli. Se concluye que esta tecnología es prometedora en cuanto a eficacia y viabilidad operativa, siendo necesarias más pruebas para potenciar su uso.es-ES
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dc.identifierhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3092
dc.identifier10.22430/22565337.3092
dc.identifier.urihttps://hdl.handle.net/20.500.12622/7910
dc.languageeng
dc.publisherInstituto Tecnológico Metropolitano (ITM)es-ES
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3092/3331
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3092/3492
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3092/3547
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3092/3546
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dc.rightsDerechos de autor 2024 TecnoLógicases-ES
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/4.0es-ES
dc.sourceTecnoLógicas; Vol. 27 No. 61 (2024); e3092en-US
dc.sourceTecnoLógicas; Vol. 27 Núm. 61 (2024); e3092es-ES
dc.source2256-5337
dc.source0123-7799
dc.subjecttratamiento de aguas residualeses-ES
dc.subjectdesinfección de aguas residualeses-ES
dc.subjectcavitación hidrodinámicaes-ES
dc.subjectreactor de cavitación hidrodinámicaes-ES
dc.subjectfluidodinámica computacionales-ES
dc.subjectwastewater treatmenten-US
dc.subjectwastewater disinfectionen-US
dc.subjecthydrodynamic cavitationen-US
dc.subjecthydrodynamic cavitation reactoren-US
dc.subjectcomputational fluid dynamicsen-US
dc.titleIntroducing a Promising New Disinfection Technology for the Fonce River in Colombiaen-US
dc.titlePresentación de una nueva y prometedora tecnología de desinfección para el río Fonce en Colombiaes-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typeResearch Papersen-US
dc.typeArtículos de investigaciónes-ES

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