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Artículo

Estimation of methane emission from an urban wastewater treatment plant applying inverse Gaussian model

Stadler, Carla SofíaIcon ; Fusé, Victoria SusanaIcon ; Linares, SantiagoIcon ; Juliarena, María PaulaIcon
Fecha de publicación: 01/2022
Editorial: Springer
Revista: Environmental Monitoring and Assessment
ISSN: 0167-6369
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ciencias Medioambientales

Resumen

The methane (CH4) emissions from urban sources are increasing, and they depend on the processes and technologies applied in each one. Thus, studying them individually to quantify their emissions and understand their behavior to design CH4 mitigation strategies is meaningful. Although many studies have been carried out in different cities worldwide, the complex methodologies and technologies applied are not readily available in developing countries. The main objective of this work is to apply a simple and inexpensive methodology to collect air samples in urban areas using syringes with a three-way stopcock. Considering the baseline concentration in different urban zones, the WWTP contribution to atmospheric CH4 concentration was assessed. Moreover, it was possible to estimate the CH4 emission rate from the source by applying the inverse Gaussian model. The atmospheric CH4 concentrations inside and around the WWTP varied from 2.04 to 32.78 ppm. Most of the highest concentrations were found inside the WWTP; however, high concentrations were found up to 500 m from its center. The values in the urban zones were between 2.06 and 3.52 ppm, consistently higher in the area with the highest population density. Finally, considering the WWTP as a single source and according to the operational and atmospheric conditions during the studied period, the mean CH4 emission rate from this source was 2.08E + 04 μg s−1. The proposed sampling methodology could be applied to estimate CH4 emission rates from fixed sources in areas with overlapping sources.
Palabras clave: GAUSSIAN DISPERSION , INVERSE DISTANCE WEIGHTED , METHANE EMISSION , URBAN ZONES , WASTEWATER TREATMENT PLANT
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/196905
URL: https://link.springer.com/article/10.1007/s10661-021-09660-4
DOI: http://dx.doi.org/10.1007/s10661-021-09660-4
Colecciones
Articulos(CIFICEN)
Articulos de CENTRO DE INV. EN FISICA E INGENIERIA DEL CENTRO DE LA PCIA. DE BS. AS.
Articulos(IGEHCS)
Articulos de INSTITUTO DE GEOGRAFIA, HISTORIA Y CS. SOCIALES
Citación
Stadler, Carla Sofía; Fusé, Victoria Susana; Linares, Santiago; Juliarena, María Paula; Estimation of methane emission from an urban wastewater treatment plant applying inverse Gaussian model; Springer; Environmental Monitoring and Assessment; 194; 27; 1-2022; 1-15
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