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. 2024 Mar;89(6):1512-1525.
doi: 10.2166/wst.2024.069. Epub 2024 Mar 4.

Profiling wastewater characteristics in intra-urban catchments using online monitoring stations

Lluís Corominas  1 , Ian Zammit  2 , Sergi Badia  2 , Josep Pueyo-Ros  2 , Lluís Maria Bosch  2 , Eusebi Calle  3 , David Martínez  3 , Maria José Chesa  4 , Cristian Chincolla  4 , Ariadna Martínez  4 , Anna Llopart-Mascaró  4 , Francisco Javier Varela  4 , Elena Domene  5 , Marta Garcia-Sierra  5 , Xavier Garcia-Acosta  5 , Mar Satorras  5 , Jordi Raich-Montiu  6 , Roger Peris  6 , Raül Horno  6 , Edgar Rubión  7 , Sergi Simón  7 , Marc Ribalta  7 , Ian Palacín  7
Affiliations

Profiling wastewater characteristics in intra-urban catchments using online monitoring stations

Lluís Corominas et al. Water Sci Technol. 2024 Mar.

Abstract

This study aims to investigate the differences in intra-urban catchments with different characteristics through real-time wastewater monitoring. Monitoring stations were installed in three neighbourhoods of Barcelona to measure flow, total chemical oxygen demand (COD), pH, conductivity, temperature, and bisulfide (HS-) for 1 year. Typical wastewater profiles were obtained for weekdays, weekends, and holidays in the summer and winter seasons. The results reveal differences in waking up times and evening routines, commuting behaviour during weekends and holidays, and water consumption. The pollutant profiles contribute to a better understanding of pollution generation in households and catchment activities. Flows and COD correlate well at all stations, but there are differences in conductivity and HS- at the station level. The article concludes by discussing the operational experience of the monitoring stations.

Keywords: digitalization; real-time; sewage; sewer; smart cities.

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Conflict of interest statement

The authors declare there is no conflict.

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