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PREAERATION [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-02-25

English

Subject field(s)
  • Wastewater Treatment
DEF

The aeration of settled sewage for a short period of time immediately before biological treatment.

CONT

It is desirable for sewage to reach the treatment station in a sufficiently fresh state ... Malodorous sewage is toxic to the biological treatment processes and requires preaeration or prechlorination before primary settling.

OBS

[It refers also to the] aeration of sewage prior to sedimentation.

OBS

pre-aeration: term and definition standardized by ISO.

French

Domaine(s)
  • Traitement des eaux usées
DEF

Aération pendant une courte période de temps des eaux d'égouts décantées immédiatement avant le traitement biologique.

CONT

Il est souhaitable que les eaux usées arrivent à la station de traitement dans un état de fraîcheur suffisante [...] Une eau nauséabonde est toxique pour le traitement et devrait subir une préaération ou une préchloration avant décantation.

OBS

[Elle désigne également] l'aération des eaux usées avant la sédimentation.

OBS

préaération : terme et définition normalisés par l'ISO.

Spanish

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

Aeración de las aguas negras sedimentadas por un corto período de tiempo inmediatamente antes del tratamiento biológico.

OBS

[También se refiere a la] aeración de aguas de negras previamente a la sedimentación.

OBS

pre-: La Fundación del Español Urgente (Fundéu BBVA), con el asesoramiento de la Real Academia Española, indica que el prefijo pre-, igual que todos los prefijos, se escribe unido a la palabra, sin guion ni espacio: preelectoral, prehispánico, preindustrial [...]

Save record 1

Record 2 2016-01-20

English

Subject field(s)
  • Processing of Mineral Products
  • Mineral Processing (Metallurgy)
DEF

The aeration of ... ore pulp before treatment, notably by froth flotation where deoxygenated water is used ...

OBS

Also used to stabilize ore pulp containing unstable sulfides before cyanidation.

PHR

Pre-aeration agitator.

French

Domaine(s)
  • Préparation des produits miniers
  • Minéralurgie (Métallurgie)
DEF

Opération qui consiste à agiter une pulpe en présence d'air avant son admission dans un circuit de flottation.

PHR

Agitateur à pré-aération.

Spanish

Campo(s) temático(s)
  • Preparación de los productos mineros
  • Explotación de minerales (Metalurgia)
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