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DEMANDA TOTAL OXIGENO [2 records]

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Alphabetical list of terms

Record 1 2003-09-26

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Water Pollution
  • Water Treatment (Water Supply)
  • Wastewater Treatment
DEF

The calculated amount of oxygen required for complete mineralization.

OBS

ultimate oxygen demand; UOD: term and abbreviation by ISO.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Pollution de l'eau
  • Traitement des eaux
  • Traitement des eaux usées
DEF

Quantité d'oxygène, obtenue par calcul, nécessaire à une minéralisation complète.

OBS

demande totale en oxygène; DTO : terme et abréviation normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Contaminación del agua
  • Tratamiento del agua
  • Tratamiento de aguas residuales
DEF

Indicador de calidad del agua basado en el control del consumo de oxígeno realizado en la combustión catalítica de la materia orgánica presente.

Save record 1

Record 2 2003-09-26

English

Subject field(s)
  • Environmental Studies and Analyses
  • Analytical Chemistry
CONT

Another method to measure the oxygen demand of wastewater is the total oxygen demand (TOD). A small volume of the sample, about 40 microliters, is injected into oxygen containing carrier gas and passed through a catalyst bed at 900 ° C. The carbon, nitrogen, and many minerals are converted to their oxides by consuming oxygen from the carrier gas. The amount of gaseous oxygen consumed is measured and given as the TOD of the sample in mg oxygen/liter of wastewater.

French

Domaine(s)
  • Études et analyses environnementales
  • Chimie analytique
CONT

Demande totale en oxygène : Un autre type d'appareillage permet de déterminer la quantité d'oxygène fixée (à partir d'un mélange d'oxygène et d'un gaz inerte tel que l'azote) dans un four à catalyseur à mousse de platine. Les résultats obtenus sont très proches de ceux de la D.C.O.

CONT

D.T.O. : Demande totale en oxygène, mesurée par la quantité d'oxygène combinée au substrat considéré, durant sa combustion violente.

OBS

«demande totale en oxygène» (DTO) a été relevé dans «L'analyse de l'eau», de Rodier (code RODAN), vol. 1, p. 479.

Spanish

Campo(s) temático(s)
  • Estudios y análisis del medio ambiente
  • Química analítica
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