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Donaldson index [1 record]

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Alphabetical list of terms

Record 1 2001-07-03

English

Subject field(s)
  • Environmental Studies and Analyses
  • Wastewater Treatment
CONT

Testing Wastewater. Treatment Efficiency... Sludge Density Index/Sludge Volume Index. To determine what the return sludge pumping rate should be and to get some idea of sludge settling characteristics, sludge indices have been proposed. One of the most common is the Donaldson Index, SDI.

French

Domaine(s)
  • Études et analyses environnementales
  • Traitement des eaux usées
DEF

Inverse de l'indice de Mohlman.

OBS

La densité apparente des boues activées (masse des matières en suspension divisée par le volume occupé par les boues décantées, ou indice de Donaldson) et son inverse [...] ne caractérisent pas suffisamment la «décantabilité» (Précis d'épuration biologique par boues activées, 1973, p. 138).

Spanish

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