TERMIUM Plus®

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BIOLOGICAL DISC [1 record]

Record 1 2003-09-03

English

Subject field(s)
  • Equipment and Tools (Water Supply)
  • Wastewater Treatment
CONT

Biological discs. The rotating disc method of wastewater treatment has been used in Europe for more than 10 years ... A biological disc unit consists of a series of closely spaced, large-diameter, expanded polystyrene discs, which are mounted on a horizontal shaft ... The discs are partially immersed in wastewater and rotated.

Key term(s)
  • bio-disk

French

Domaine(s)
  • Équipement et outillage (Alimentation en eau)
  • Traitement des eaux usées
DEF

Dispositif apparenté aux lits bactériens, où les micro-organismes travaillent sur des disques tournant autour d'un axe horizontal et plongeant en partie dans l'eau à épurer, l'aération s'effectuant pendant la période d'émersion. Ces disques peuvent être de matières diverses : métal, fibre, plastique.

Spanish

Campo(s) temático(s)
  • Equipo y herramientas (Abastecimiento de agua)
  • Tratamiento de aguas residuales
DEF

Sistema de tratamiento de aguas residuales que consiste en el paso del agua a tratar por una serie de discos planos, giratorios, sumergidos parcialmente y recubiertos por una fina capa de microorganismos, capaces de degradar la materia orgánica, coloidal y disuelta.

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