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PROCEDE CONTACT-STABILISATION [1 record]

Record 1 2015-12-11

English

Subject field(s)
  • Wastewater Treatment
DEF

A modification of the activated sludge process whereby previously aerated activated sludge is brought into contact with raw sewage for a short period of time (for example 15 to 30 min).

OBS

The sludge, after contact, is settled out and returned to a separate tank where it is aerated for a longer period of time (for example 6 to 8h).

OBS

contact stabilization: term and definition standardized by ISO.

French

Domaine(s)
  • Traitement des eaux usées
DEF

Variante du procédé par boue activée selon laquelle une boue activée aérée préalablement entre en contact, pendant une courte période de temps (par exemple 15 à 30 min), avec une eau usée brute.

OBS

Après contact, la boue est décantée, puis recyclée dans un bassin particulier pour être aérée pendant une plus longue période de temps (par exemple 6 à 8 h).

OBS

stabilisation par contact : terme et définition normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Tratamiento de aguas residuales
DEF

Modificación del proceso de lodos activados en el que éstos se someten a aeración previamente y entran en contacto con agua cruda residual por un corto período de tiempo (15 min a 30 min, por ejemplo).

OBS

El lodo, después del contacto, se decanta y se traslada a un tanque separado, donde se somete a aeración por un período de tiempo más largo (por ejemplo, 6 h a 8 h).

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