TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
MOHLMAN INDEX [5 records]
Record 1 - internal organization data 2015-11-30
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- Wastewater Treatment
Record 1, Main entry term, English
- sludge volume index
1, record 1, English, sludge%20volume%20index
correct, standardized
Record 1, Abbreviations, English
- SVI 1, record 1, English, SVI
correct, standardized
Record 1, Synonyms, English
- Mohlman index 2, record 1, English, Mohlman%20index
correct, standardized
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The volume in millilitres occupied by 1 gram of activated sludge after settlement under specified conditions for a specified time, usually 30 minutes. 1, record 1, English, - sludge%20volume%20index
Record number: 1, Textual support number: 1 OBS
sludge volume index; Mohlman index; SVI : terms, abbreviation and definition standardized by ISO. 3, record 1, English, - sludge%20volume%20index
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Traitement des eaux usées
Record 1, Main entry term, French
- indice de volume des boues
1, record 1, French, indice%20de%20volume%20des%20boues
correct, masculine noun, standardized
Record 1, Abbreviations, French
- IVB 1, record 1, French, IVB
correct, masculine noun, standardized
Record 1, Synonyms, French
- indice de Mohlman 2, record 1, French, indice%20de%20Mohlman
correct, masculine noun
- indice Mohlman 1, record 1, French, indice%20Mohlman
correct, masculine noun, standardized
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Mesure empirique du volume occupé, en millilitres, par 1 gramme de boue activée après sédimentation dans des conditions spécifiées pour un temps défini, généralement 30 minutes. 1, record 1, French, - indice%20de%20volume%20des%20boues
Record number: 1, Textual support number: 1 OBS
indice de volume des boues; indice Mohlman; IVB : termes, abréviation et définition normalisés par l'ISO. 3, record 1, French, - indice%20de%20volume%20des%20boues
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Medición y análisis (Ciencias)
- Tratamiento de aguas residuales
Record 1, Main entry term, Spanish
- índice de volumen de lodos
1, record 1, Spanish, %C3%ADndice%20de%20volumen%20de%20lodos
correct, masculine noun
Record 1, Abbreviations, Spanish
- SVI 1, record 1, Spanish, SVI
correct, masculine noun
Record 1, Synonyms, Spanish
- índice de Mholman 1, record 1, Spanish, %C3%ADndice%20de%20Mholman
correct, masculine noun
- índice volumétrico de los lodos 2, record 1, Spanish, %C3%ADndice%20volum%C3%A9trico%20de%20los%20lodos
correct, masculine noun
- IVL 2, record 1, Spanish, IVL
correct, masculine noun
- IVL 2, record 1, Spanish, IVL
- índice de volumen de fango 2, record 1, Spanish, %C3%ADndice%20de%20volumen%20de%20fango
correct, masculine noun
- IVF 2, record 1, Spanish, IVF
correct, masculine noun
- IVF 2, record 1, Spanish, IVF
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Volumen, en mililitros, ocupado por 1 gramo de lodo después de sedimentarse bajo condiciones especificadas y por un tiempo definido, usualmente 30 minutos. 1, record 1, Spanish, - %C3%ADndice%20de%20volumen%20de%20lodos
Record number: 1, Textual support number: 1 CONT
En la práctica, el IVL se obtiene dividiendo el volumen porcentual ocupado por el fango en una muestra de líquido mezcla (tomada a la salida del tanque de aireación) después de 30 minutos de sedimentación, por la concentración de sólidos suspendidos del líquido mezcla expresada en tanto por ciento. 2, record 1, Spanish, - %C3%ADndice%20de%20volumen%20de%20lodos
Record number: 1, Textual support number: 1 OBS
SVI, por sus siglas en inglés. 3, record 1, Spanish, - %C3%ADndice%20de%20volumen%20de%20lodos
Record 2 - internal organization data 2001-08-14
Record 2, English
Record 2, Subject field(s)
- Geochemistry
- Chemical Elements and Compounds
Record 2, Main entry term, English
- iron phosphate
1, record 2, English, iron%20phosphate
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, 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. 2, record 2, English, - iron%20phosphate
Record 2, French
Record 2, Domaine(s)
- Géochimie
- Éléments et composés chimiques
Record 2, Main entry term, French
- phosphate de fer
1, record 2, French, phosphate%20de%20fer
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, 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. 2, record 2, French, - phosphate%20de%20fer
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1996-01-17
Record 3, English
Record 3, Subject field(s)
- Wastewater Treatment
Record 3, Main entry term, English
- sludge age
1, record 3, English, sludge%20age
correct, standardized
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, 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 3, English, - sludge%20age
Record number: 3, 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 3, English, - sludge%20age
Record number: 3, Textual support number: 1 OBS
sludge age: Term and definition standardized by ISO. 4, record 3, English, - sludge%20age
Record 3, French
Record 3, Domaine(s)
- Traitement des eaux usées
Record 3, Main entry term, French
- âge des boues
1, record 3, French, %C3%A2ge%20des%20boues
correct, masculine noun, standardized
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, 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 3, French, - %C3%A2ge%20des%20boues
Record number: 3, 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 3, French, - %C3%A2ge%20des%20boues
Record number: 3, Textual support number: 1 OBS
âge des boues : Terme et définition normalisés par l'ISO. 4, record 3, French, - %C3%A2ge%20des%20boues
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Tratamiento de aguas residuales
Record 3, Main entry term, Spanish
- edad de los lodos
1, record 3, Spanish, edad%20de%20los%20lodos
correct, feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, 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 3, Spanish, - edad%20de%20los%20lodos
Record number: 3, 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 3, Spanish, - edad%20de%20los%20lodos
Record 4 - internal organization data 1982-03-22
Record 4, English
Record 4, Subject field(s)
- Scientific Measurements and Analyses
- Fluid Mechanics and Hydraulics (Physics)
Record 4, Main entry term, English
- Kynch curve
1, record 4, English, Kynch%20curve
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Activated sludge is flocculent and its specific gravity is very similar to that of water; although it normally settles fairly quickly Kynch curve...(which is checked on the spot by the Mohlman index)... its ability to settle can vary with variations in the medium(variation of temperature, sudden flow and load variations, accidental stopping of aeration equipment, etc.). 1, record 4, English, - Kynch%20curve
Record 4, French
Record 4, Domaine(s)
- Mesures et analyse (Sciences)
- Mécanique des fluides et hydraulique (Physique)
Record 4, Main entry term, French
- courbe de Kynch
1, record 4, French, courbe%20de%20Kynch
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Les boues activées sont floconneuses d'une densité très voisine de celle de l'eau, et si normalement elles décantent assez rapidement (courbe de Kynch) [...] elles peuvent selon les variations du milieu (variations de température, variations brutales de charge, arrêts accidentels de l'aération, etc.) présenter des décantabilités variables, que l'on contrôle sur place par indice de Mohlman [...] 1, record 4, French, - courbe%20de%20Kynch
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1981-01-26
Record 5, English
Record 5, Subject field(s)
- Wastewater Treatment
Record 5, Main entry term, English
- biological floc
1, record 5, English, biological%20floc
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, 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. 1, record 5, English, - biological%20floc
Record 5, French
Record 5, Domaine(s)
- Traitement des eaux usées
Record 5, Main entry term, French
- floc biologique
1, record 5, French, floc%20biologique
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, 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. 1, record 5, French, - floc%20biologique
Record 5, Spanish
Record 5, Textual support, Spanish
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