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Record 1 1981-01-26

English

Subject field(s)
  • Chemistry
  • Wastewater Treatment
CONT

... chemical removal of phosphates ... Two techniques are recommended: simultaneous precipitation by adding an iron or aluminium salt to activated sludge, and separate precipitation which constitutes a tertiary purification stage with flocculation and clarification of flotation.

French

Domaine(s)
  • Chimie
  • Traitement des eaux usées
CONT

[...] élimination chimique des phosphates [...] Deux techniques d'emploi sont préconisées : la précipitation simultanée par introduction d'un sel de fer ou d'alumine dans les boues activées et la précipitation séparée constituant un troisième stade d'épuration, avec floculation et décantation ou flottation.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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