NF EN 12255-13 : 2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WASTEWATER TREATMENT PLANTS - PART 13: CHEMICAL TREATMENT - TREATMENT OF WASTEWATER BY PRECIPITATION/FLOCCULATION
08-08-2023
12-01-2013
Avant-propos
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Exigences
4.1 Généralités
4.2 Arrière-plan chimique et options de traitement
4.3 Stockage des agents chimiques
4.4 Matériel de dosage
4.5 Silos et réservoirs
4.6 Systèmes de mélange
4.7 Floculateurs
4.8 Décanteurs
4.9 Flottation
4.10 Filtration physique
4.11 Boues
Annexe A (normative) Agents chimiques de précipitation
Bibliographie
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