Design of Influent Distribution System in Domestic Wastewater Treatment Units

Macías , Astrid L.; Rodríguez , Diana C.; Molina, Francisco J.

Design of Influent Distribution System in Domestic Wastewater Treatment Units

dc.creator	Macías , Astrid L.
dc.creator	Rodríguez , Diana C.
dc.creator	Molina, Francisco J.
dc.date	2022-11-18
dc.date.accessioned	2025-10-01T23:52:50Z
dc.description	The efficient treatment of domestic wastewater is associated with good operational practices in wastewater treatment plants (WWTP) and the proper design of each treatment unit, which ensures the correct hydraulic performance of each WWTP. For this reason, the objective of this article was to study the design of the multiple influent distribution systems of a high-rate primary sedimentary, a UASB (Upflow Anaerobic Sludge Blanket) reactor, and an up-flow anaerobic filter (FAFA) in the WWTPs of the municipalities of San Carlos and San Roque, and in the township of Santiago, respectively, located in Antioquia-Colombia. For this purpose, the methodology proposed by Hudson in 1981 was used to evaluate the performance of the current design and, subsequently, a pre-dimensioning was carried out to distribute the flow uniformly, to have velocities within the ranges recommended by the literature, and to obtain the total head loss generated by the distribution manifold in each treatment unit evaluated. It was found that the existing design is not efficient and that the new pre-dimensioning ensures homogeneous flow distribution and provides velocities that contribute positively to the treatment process. The study concludes that the smaller the number of orifices and the larger the pipe diameter, the more uniform the flow distribution, and that the total head loss depends on both the velocity head and the head loss coefficient. The diameter of the orifice was the predominant parameter to control the inlet velocity of the treatment units.	en-US
dc.description	El tratamiento eficiente de las aguas residuales domésticas está asociado a las buenas prácticas operacionales en las plantas de tratamiento de agua residual (PTAR) y al diseño adecuado de cada unidad de tratamiento, con lo cual se asegura el correcto funcionamiento hidráulico de cada PTAR. Por tal motivo, el objetivo de este artículo fue estudiar el diseño de los múltiples sistemas de distribución del afluente de un sedimentador primario de alta tasa, un reactor UASB (Upflow Anaerobic Sludge Blanket) y un filtro anaerobio de flujo ascendente (FAFA) en las PTAR de los municipios de San Carlos y San Roque, y en el corregimiento de Santiago, respectivamente, ubicados en Antioquia-Colombia. Para ello, se utilizó la metodología propuesta por Hudson en 1981 para evaluar el funcionamiento del diseño actual y, posteriormente, se realizó un predimensionamiento que permitiera distribuir el caudal uniformemente, tener velocidades dentro de los rangos recomendados por la literatura y obtener la pérdida de carga total generada por el múltiple de distribución en cada unidad de tratamiento evaluada. Se evidenció que el diseño existente no es eficiente y que el nuevo predimensionamiento asegura la distribución homogénea del caudal y proporciona velocidades que contribuyen positivamente al proceso de tratamiento. El estudio concluye que a menor número de orificios y mayor diámetro de tubería se presenta una distribución uniforme del caudal, además que la pérdida de carga total depende, tanto de la cabeza de velocidad, como del coeficiente de pérdida de carga. El diámetro del orificio fue el parámetro predominante para controlar la velocidad de entrada a las unidades de tratamiento.	es-ES
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dc.format	application/zip
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dc.identifier	https://revistas.itm.edu.co/index.php/tecnologicas/article/view/2428
dc.identifier	10.22430/22565337.2428
dc.identifier.uri	https://hdl.handle.net/20.500.12622/7848
dc.language	eng
dc.publisher	Instituto Tecnológico Metropolitano (ITM)	es-ES
dc.relation	https://revistas.itm.edu.co/index.php/tecnologicas/article/view/2428/2622
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dc.rights	Derechos de autor 2022 TecnoLógicas	es-ES
dc.rights	http://creativecommons.org/licenses/by-nc-sa/4.0	es-ES
dc.source	TecnoLógicas; Vol. 25 No. 55 (2022); e2428	en-US
dc.source	TecnoLógicas; Vol. 25 Núm. 55 (2022); e2428	es-ES
dc.source	2256-5337
dc.source	0123-7799
dc.subject	Treatment plants	en-US
dc.subject	anaerobic reactors	en-US
dc.subject	primary settler	en-US
dc.subject	distribution system	en-US
dc.subject	wastewater treatment	en-US
dc.subject	Plantas de tratamiento	es-ES
dc.subject	reactores anaerobios	es-ES
dc.subject	sedimentador primario	es-ES
dc.subject	sistemas de distribución	es-ES
dc.subject	tratamiento de aguas residuales	es-ES
dc.title	Design of Influent Distribution System in Domestic Wastewater Treatment Units	en-US
dc.title	Diseño del sistema de distribución del afluente en unidades de tratamiento de aguas residuales domésticas	es-ES
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	Research Papers	en-US
dc.type	Artículos de investigación	es-ES