2. Elements for calculating volumes and pollutant loads

2.1 Determination of domestic wastewater flows

To correctly size STERUs, it is essential to determine the volumes of wastewater requiring treatment.

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2.1.1 Maximum future flows

To estimate maximum domestic wastewater flows, it is necessary to take into account daily water consumption per person on the highest consumption days of the year. These peak consumptions are evaluated or calculated by taking into account the quantities of water produced, after subtracting losses, as well as any volumes...

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Elements for calculating volumes and pollutant loads

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Bibliography

(1) - Agence de l'Eau Rhin-Meuse - Procédés d'épuration des petites collectivités du bassin Rhin-Meuse : éléments de comparaison techniques et économiques - (2007).
(2) - ALEXANDRE (O.), BOUTIN (C.), DUCHENE (P.), LAGRANGE (C.), LAKEL (A.), LIENARD (A.), ORDITZ...

Websites

General Commission for Sustainable Development

https://www.ecologie.gouv.fr/commissariat-general-au-developpement-durable-cgdd

Eaufrance

https://www.eaufrance.fr/lassainissement-des-eaux-usees-domestiques

...

Standards and norms

Wastewater treatment plants – Part 1: General principles of construction: specifies the general principles of design, construction and installation of technical equipment for wastewater treatment plants. - NF EN 12255-1 - avril 2002
Wastewater treatment plants – Part 3: Pretreatments: specifies applications, procedures and performance requirements for raw wastewater pretreatments. - NF EN 12255-3 - avril 2001