Diagnosis and management of odours generated from the chamber of mixing and distribution of wastewater - CAM04

    Approximately 50% of the wastewater from the "big Santiago" (Santiago Metropolitan Region, Chile) converges into the Chamber of Mixing and Distribution of Wastewater - CAM04 to be later conducted towards the Mapocho Trebal Sewage Treatment Plant.

   Due to the considerable amount of the wastewater flow that converges into this chamber, a diagnosis of the odours generated from the CAM04 was carried out, which was based on a field sensory monitoring in the nearby inhabited areas, as well as a dynamic olfactometry campaign and odour dispersion modeling in order to determine the influenced area associated at this source.

F. Chávez, J. Garcés

Aguas Andinas S.A., área de Medio Ambiente y Biodiversidad, Santiago, Chile.

   Competing interests: The author has declared that no competing interests exist.

   Academic editor: Carlos N Díaz.

   Content quality: This paper has been peer reviewed by at least two reviewers. See scientific committee here

   Citation: F. Chávez, J. Garcés, 2019, Diagnosis and managemet of odours generated from the chamber of mixing and distribution of wastewater - CAM04, OLORES19 Conference, Santiago, Chile, www.olores.org.

   Copyright: 2020 Olores.org. Open Content Creative Commons licence. It is allowed to download, reuse, reprint, modify, distribute, and/or copy articles in olores.org website, as long as the original authors and source are cited. No permission is required from the authors or the publishers.

   ISBN: 978-84-09-22553-8

   Keyword: Harvest wastewater, odour mitigation, sensory monitoring, odour dispersion, AERMOD.

Abstract

   Approximately 50% of the wastewater from the "big Santiago" (Santiago Metropolitan Region, Chile) converges into the Chamber of Mixing and Distribution of Wastewater - CAM04 to be later conducted towards the Mapocho Trebal Sewage Treatment Plant. Due to the considerable amount of the wastewater flow that converges into this chamber, a diagnosis of the odours generated from the CAM04 was carried out, which was based on a field sensory monitoring in the nearby inhabited areas, as well as a dynamic olfactometry campaign and odour dispersion modeling in order to determine the influenced area associated at this source. Subsequently, the effectiveness of driving all emission sources of the CAM04 to a single point of emission through the forced extraction of gases was evaluated considering a conceptual design level. By comparing the odour dispersion feathers, both normal situation and forced extraction, it was obtained that the surface generated by forced extraction was 97,3%, less than that generated by the dispersion of the CAM04, without any measure of smell minimization.

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