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GASEOUS NITROGEN [1 record]

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Record 1 1995-08-22

English

Subject field(s)
  • Chemistry
  • Pollutants
  • Wastewater Treatment
CONT

The conversion of these nitrates to gaseous nitrogen implies a further denitrification stage. There are several possible ways of achieving this: ... changing the state of the mixed liquor from aerobiosis to anaerobiosis before clarification, passing it through a shallow lagoon where algae develop, using this form of nitrogen as a metabolite.

French

Domaine(s)
  • Chimie
  • Agents de pollution
  • Traitement des eaux usées
CONT

La transformation de ces nitrates en azote gazeux implique un stade de dénitrification complémentaire. Pour cela plusieurs schémas sont possibles : [...] passage de la liqueur mixte en anoxybiontie avant clarification, passage dans une lagune de faible profondeur, où des algues se développent, utilisant cette forme d'azote comme métabolite.

Spanish

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