Descripteur en français: | Traitement Primaire |
Descripteur en anglais: | Primary Treatment |
Descripteur en espagnol: | Tratamiento Primario |
Descripteur en portugais: | Tratamento Primário |
Code(s) d'arborescence: |
SP4.031.100.200.292.688 |
Note d'application: | It aims at removing settling suspended solids, including that heavy part of the organic matter in suspension, being predominant the physical mechanism of sedimentation and the phase of digestion and stabilization of organic matter settled by the anaerobic pathway. It has the purpose of allowing sewage to follow to the secondary treatment units, or eventually to be sent to the receiving bodies of water, although this is a very special condition, currently difficult to grant in environmental licenses, for failing to comply with the minimum standard legislation. Normally, the removal percentage are of 40 to 70 percent in suspended solids, 25 to 40 percent in BOD and in coliforms in this step. (Free translation from the original: Brasil. FUNASA, 2018) |
Qualificatifs autorisés: |
AE effets indésirables AN analyse CL classification EC économie EH ethnologie ES éthique HI histoire LJ législation et jurisprudence MT méthodes PC prévention et contrôle PL politiques SN statistiques et données numériques |
Voir aussi le(s) descripteur(s): |
Sédimentation Primaire DeCS |
Identifiant DeCS: | 25581 |
ID du Descripteur: | DDCS025581 |
Documents indexés dans la Biblioteque Virtuelle de Santé (BVS): | Cliquez ici pour accéder aux documents VHL |
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SANTÉ PUBLIQUE
Santé environnementale [SP4]Santé environnementale
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