5. Vertical flow planted filters
5.1 Filtration using materials and plants: principle
Vertical flow planted filters (Figures 10 and 11 ) are wastewater treatment systems consisting of specially designed pits, the base of which is made impermeable. These pits are filled with different layers of gravel and sand, with grain sizes varying according to the characteristics of the wastewater to be treated.
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Vertical flow planted filters
Bibliography
Websites
Eaufrance – The public water information service
eCompendium – A tool for planning sanitation solutions for the different phases of an emergency.
https://www.emersan-compendium.org/fr/
...
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 ...
Regulations
Directive no. 91/271/EEC of May 21, 1991 concerning urban waste-water treatment.
Law no. 92-3 of January 3, 1992 on water.
Decree no. 94-469 of June 3, 1994 on wastewater collection and treatment. Repealed by Decree n°2000-318 of April 7, 2000.
Décret n° 2006-503 du 2 mai 2006 relatif à la collecte et au traitement des eaux usées mentionnées aux articles...
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