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The Government of Canada’s terminology and linguistic data bank.
SLUDGE AGE [1 record]
Record 1 - internal organization data 1996-01-17
Record 1, English
Record 1, Subject field(s)
- Wastewater Treatment
Record 1, Main entry term, English
- sludge age
1, record 1, English, sludge%20age
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The calculated time expressed in days required to waste the total inventory of sludge in an activated sludge plant at a constant wasting rate. It is calculated by dividing the total inventory of sludge in the activated sludge plant by the mass of sludge wasted per day. 2, record 1, English, - sludge%20age
Record number: 1, Textual support number: 1 CONT
Activated sludges are made heavier, the Mohlman index drops, and the purification quality does not appear to be affected, although troubles have been recorded in cases of low-rate treatment, where the sludge age is advanced, and where the accumulation of iron phosphate seems to lead to anaerobiosis within the biological floc. 3, record 1, English, - sludge%20age
Record number: 1, Textual support number: 1 OBS
sludge age: Term and definition standardized by ISO. 4, record 1, English, - sludge%20age
Record 1, French
Record 1, Domaine(s)
- Traitement des eaux usées
Record 1, Main entry term, French
- âge des boues
1, record 1, French, %C3%A2ge%20des%20boues
correct, masculine noun, standardized
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Temps, exprimé en jours, nécessaire pour amener la totalité des boues d'une station par boues activées à un niveau de dégradation constant. Ce temps est calculé en divisant la masse totale des boues dans la station par boues activées par la masse de boue traitée par jour. 2, record 1, French, - %C3%A2ge%20des%20boues
Record number: 1, Textual support number: 1 CONT
Les boues activées sont alourdies, leur indice de Mohlman baisse, la qualité de l'épuration ne semble pas affectée, bien que l'on ait pu noter des perturbations dans les traitements à faible charge où l'âge des boues devient considérable et où l'accumulation de phosphate de fer semble conduire à une anaérobiose à l'intérieur du floc biologique. 3, record 1, French, - %C3%A2ge%20des%20boues
Record number: 1, Textual support number: 1 OBS
âge des boues : Terme et définition normalisés par l'ISO. 4, record 1, French, - %C3%A2ge%20des%20boues
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Tratamiento de aguas residuales
Record 1, Main entry term, Spanish
- edad de los lodos
1, record 1, Spanish, edad%20de%20los%20lodos
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Tiempo medio, en días, que permanece sujeta a la aeración una partícula de sólidos suspendidos en el proceso de tratamiento de aguas negras con lodos activados. 1, record 1, Spanish, - edad%20de%20los%20lodos
Record number: 1, Textual support number: 1 CONT
La edad de los lodos se calcula a partir del peso de los lodos activados en el reactor y los sólidos suspendidos en las aguas negras que entran a dicho tanque, empleando la fórmula: Edad de los lodos = VXA/QXC; V = volumen del tanque de aeración, en m³ (o en mg); A = concentración de los sólidos suspendidos en el tanque de aeración (en ppm); Q = gasto de aguas negras en m³/d (o en mg/d); C = concentración (en ppm) de sólidos suspendidos en las aguas negras que entran al tanque de aeración (excluyendo los lodos recirculados). 1, record 1, Spanish, - edad%20de%20los%20lodos
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