TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
WATER BACKWASH [12 records]
Record 1 - internal organization data 2016-02-26
Record 1, English
Record 1, Subject field(s)
- Cooling and Ventilating Systems
- Water Treatment (Water Supply)
- Wastewater Treatment
Record 1, Main entry term, English
- air scour 1, record 1, English, air%20scour
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
By the use of... filters, significant cost reductions can be made on the concrete work for the regeneration plant and on possible automatic equipment. It may... be advantageous to use pressure filters designed for water backwash and air scour... ;in this case washing is quicker and requires less water and a small-diameter drain. The instantaneous rate of flow of wash-water is... about one-half that of filters washed by water alone. 1, record 1, English, - air%20scour
Record 1, French
Record 1, Domaine(s)
- Systèmes de refroidissement et de ventilation
- Traitement des eaux
- Traitement des eaux usées
Record 1, Main entry term, French
- soufflerie d'air
1, record 1, French, soufflerie%20d%27air
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- soufflage à l'air 1, record 1, French, soufflage%20%C3%A0%20l%27air
correct, masculine noun
- insufflation d'air 2, record 1, French, insufflation%20d%27air
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Ils [les filtres à sable] permettent des économies intéressantes sur le génie civil du poste de régénération et sur les équipements éventuels d'automaticité. On peut [...] avoir intérêt à utiliser des filtres sous pression lavables par retour d'eau et soufflerie d'air [...] dont le lavage est plus rapide et ne requiert qu'un faible volume d'eau et un égout de petit diamètre. En effet, le débit instantané d'eau de lavage par m [carré] de filtre est environ moitié de celui des filtres lavables à l'eau seule. 1, record 1, French, - soufflerie%20d%27air
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1995-01-13
Record 2, English
Record 2, Subject field(s)
- Water Treatment (Water Supply)
- Fluid Mechanics and Hydraulics (Physics)
Record 2, Main entry term, English
- surface water 1, record 2, English, surface%20water
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
After draining off the surface water, the single bed of sand is washed by simultaneous air scour and filtered water backwash, followed by a rinse with filtered water; during both these stages the surface is continuously swept using raw water. 1, record 2, English, - surface%20water
Record 2, French
Record 2, Domaine(s)
- Traitement des eaux
- Mécanique des fluides et hydraulique (Physique)
Record 2, Main entry term, French
- tranche d'eau supérieure
1, record 2, French, tranche%20d%27eau%20sup%C3%A9rieure
correct
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
Le lavage de la couche unique de sable s'effectue, après vidange de la tranche d'eau supérieure par l'utilisation concomitante d'un retour d'air surpressé et d'eau filtrée, suivi d'un rinçage à l'eau filtrée, avec l'utilisation, pendant ces deux phases, d'un balayage de surface utilisant l'eau à filtrer. 1, record 2, French, - tranche%20d%27eau%20sup%C3%A9rieure
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1982-03-11
Record 3, English
Record 3, Subject field(s)
- Pipes and Fittings
- Water Treatment (Water Supply)
Record 3, Main entry term, English
- wash-water weir 1, record 3, English, wash%2Dwater%20weir
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 OBS
... the water to be filtered.... continues to flow in through the orifices... runs into the V-shaped channels and enters the top of the filter through the orifices... At the same time air scour is effected plus a backwash of filtered water... made possible by the special form of the wash-water weirs. 1, record 3, English, - wash%2Dwater%20weir
Record 3, French
Record 3, Domaine(s)
- Tuyauterie et raccords
- Traitement des eaux
Record 3, Main entry term, French
- déversoir d'évacuation d'eau de lavage
1, record 3, French, d%C3%A9versoir%20d%27%C3%A9vacuation%20d%27eau%20de%20lavage
correct
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
[...] l'eau à filtrer. [...] continue à entrer par les orifices [...] court dans les goulottes en V et pénètre à la partie supérieure du filtre par les orifices [...] En même temps s'effectue le soufflage à l'air avec un débit en retour d'eau filtrée [...] ce qui est rendu possible par la forme spéciale des déversoirs d'évacuation d'eau de lavage. 1, record 3, French, - d%C3%A9versoir%20d%27%C3%A9vacuation%20d%27eau%20de%20lavage
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1982-03-11
Record 4, English
Record 4, Subject field(s)
- Transport of Water (Water Supply)
- Water Treatment (Water Supply)
Record 4, Main entry term, English
- wash-water weir 1, record 4, English, wash%2Dwater%20weir
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
The air scour must not be started when the water in the filter is at the level of the wash-water weir, nor must backwash be used at the same time as air scour, since in both cases large quantities of anthracite would be carried off to the drain. 1, record 4, English, - wash%2Dwater%20weir
Record 4, French
Record 4, Domaine(s)
- Adduction d'eau (Alimentation en eau)
- Traitement des eaux
Record 4, Main entry term, French
- déversoir de lavage
1, record 4, French, d%C3%A9versoir%20de%20lavage
correct
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
Il est [...] impossible, soit de commencer le soufflage quand l'eau, dans le filtre, est au niveau du déversoir de lavage, soit d'utiliser un contre-courant d'eau en même temps que l'air car, dans les deux cas, on constaterait un entraînement massif d'anthracite à l'égout. 1, record 4, French, - d%C3%A9versoir%20de%20lavage
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1981-01-26
Record 5, English
Record 5, Subject field(s)
- Pools
- Water Treatment (Water Supply)
Record 5, Main entry term, English
- Hydrazur type high-speed filter 1, record 5, English, Hydrazur%20type%20high%2Dspeed%20filter
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 OBS
Sand filters. Pressure-type sand filters are most often used... The low turbidity of the water permits high filtration speeds..., and entails the use of fine-grain sand. Filters designed for water backwash comprise two types : standard vertical filters operating at 15 to 20 m/h..., and Hydrazur type high-speed filters designed to operate satisfactorily at 40 m/h... 1, record 5, English, - Hydrazur%20type%20high%2Dspeed%20filter
Record 5, French
Record 5, Domaine(s)
- Piscines
- Traitement des eaux
Record 5, Main entry term, French
- filtre à grande vitesse type Hydrazur
1, record 5, French, filtre%20%C3%A0%20grande%20vitesse%20type%20Hydrazur
correct
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
Filtres à sable: On utilise le plus souvent les filtres à sable sous pression [...] La faible turbidité de l'eau permet de grandes vitesses de filtration [...] et conduit à l'emploi de sable de fine granulométrie. Les filtres lavables par simple retour d'eau [...] se divisent en deux types: les filtres verticaux classiques travaillant entre 15 et 20 m/h et les filtres à grande vitesse type Hydrazur dont la conception permet un bon fonctionnement à 40 m/h. 1, record 5, French, - filtre%20%C3%A0%20grande%20vitesse%20type%20Hydrazur
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1981-01-26
Record 6, English
Record 6, Subject field(s)
- Sewers and Drainage
- Water Treatment (Water Supply)
- Wastewater Treatment
Record 6, Main entry term, English
- draining off 1, record 6, English, draining%20off
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 OBS
After draining off the surface water, the single bed of sand is washed by simultaneous air scour and filtered water backwash, followed by a rinse with filtered water; during both these stages the surface is continuously swept using raw water. 1, record 6, English, - draining%20off
Record 6, French
Record 6, Domaine(s)
- Égouts et drainage
- Traitement des eaux
- Traitement des eaux usées
Record 6, Main entry term, French
- vidange
1, record 6, French, vidange
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
Le lavage de la couche unique de sable s'effectue, après vidange de la tranche d'eau supérieure par l'utilisation concomitante d'un retour d'air surpressé et d'eau filtrée, suivi d'un rinçage à l'eau filtrée, avec l'utilisation, pendant ces deux phases, d'un balayage de surface utilisant l'eau à filtrer. 1, record 6, French, - vidange
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1981-01-26
Record 7, English
Record 7, Subject field(s)
- Pools
- Water Treatment (Water Supply)
Record 7, Main entry term, English
- pressure-type sand filter 1, record 7, English, pressure%2Dtype%20sand%20filter
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 OBS
Sand filters. Pressure-type sand filters are most often used... The low turbidity of the water permits high filtration speeds..., and entails the use of fine-grain sand. Filters designed for water backwash... comprise two types : standard vertical filters operating at 15 to 20 m/h..., and Hydrazur type high-speed filters designed to operate satisfactorily at 40 m/h. 1, record 7, English, - pressure%2Dtype%20sand%20filter
Record 7, French
Record 7, Domaine(s)
- Piscines
- Traitement des eaux
Record 7, Main entry term, French
- filtre à sable sous pression
1, record 7, French, filtre%20%C3%A0%20sable%20sous%20pression
correct
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 OBS
Filtres à sable: On utilise le plus souvent les filtres à sable sous pression [...] La faible turbidité de l'eau permet de grandes vitesses de filtration [...] et conduit à l'emploi de sable de fine granulométrie. Les filtres lavables par simple retour d'eau [...] se divisent en deux types: les filtres verticaux classiques travaillant entre 15 et 20 m/h et les filtres à grande vitesse type Hydrazur dont la conception permet un bon fonctionnement à 40 m/h. 1, record 7, French, - filtre%20%C3%A0%20sable%20sous%20pression
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1981-01-26
Record 8, English
Record 8, Subject field(s)
- Pools
- Water Treatment (Water Supply)
Record 8, Main entry term, English
- water backwash
1, record 8, English, water%20backwash
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 CONT
By the use of... filters, significant cost reductions can be made on the concrete work for the regeneration plant and on possible automatic equipment. It may... be advantageous to use pressure filters designed for water backwash and air scour... ;in this case washing is quicker and requires less water and a small-diameter drain. The instantaneous rate of flow of wash-water is... about one-half that of filters washed by water alone. 1, record 8, English, - water%20backwash
Record 8, French
Record 8, Domaine(s)
- Piscines
- Traitement des eaux
Record 8, Main entry term, French
- lavable par retour d'eau
1, record 8, French, lavable%20par%20retour%20d%27eau
correct
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 CONT
Ils [les filtres à sable] permettent des économies intéressantes sur le génie civil du poste de régénération et sur les équipements éventuels d'automaticité. On peut [...] avoir intérêt à utiliser des filtres sous pression lavables par retour d'eau et soufflerie d'air [...] dont le lavage est plus rapide et ne requiert qu'un faible volume d'eau et un égout de petit diamètre. En effet, le débit instantané d'eau de lavage par m [carré] de filtre est environ moitié de celui des filtres lavables à l'eau seule. 1, record 8, French, - lavable%20par%20retour%20d%27eau
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1981-01-26
Record 9, English
Record 9, Subject field(s)
- Sewers and Drainage
- Water Treatment (Water Supply)
Record 9, Main entry term, English
- regeneration plant 1, record 9, English, regeneration%20plant
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 OBS
By the use of... filters, significant cost reductions can be made on the concrete work for the regeneration plant and on possible automatic equipment. It may... be advantageous to use pressure filters designed for water backwash and air scour... ;in this case washing is quicker and requires less water and a small diameter drain. The instantaneous rate of flow of wash-water is... about one-half that of filters washed by water alone. 1, record 9, English, - regeneration%20plant
Record 9, French
Record 9, Domaine(s)
- Égouts et drainage
- Traitement des eaux
Record 9, Main entry term, French
- poste de régénération
1, record 9, French, poste%20de%20r%C3%A9g%C3%A9n%C3%A9ration
correct
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 OBS
Ils [les filtres à sable] permettent des économies intéressantes sur le génie civil du poste de régénération et sur les équipements éventuels d'automaticité. On peut [...] avoir intérêt à utiliser des filtres sous pression lavables par retour d'eau et soufflerie d'air [...] dont le lavage est plus rapide et ne requiert qu'un faible volume d'eau et un égout de petit diamètre. En effet, le débit instantané d'eau de lavage par m [carré] de filtre est d'environ moitié de celui des filtres lavables à l'eau seule. 2, record 9, French, - poste%20de%20r%C3%A9g%C3%A9n%C3%A9ration
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1981-01-26
Record 10, English
Record 10, Subject field(s)
- Pools
- Equipment and Tools (Water Supply)
Record 10, Main entry term, English
- vertical filter 1, record 10, English, vertical%20filter
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 OBS
Sand filters. Pressure-type sand filters are most often used... The low turbidity of the water permits high filtration speeds..., and entails the use of fine-grain sand. Filters designed for water backwash... comprise two types : standard vertical filters operating at 15 to 20 m/h..., and Hydrazur type high-speed filters designed to operate satisfactorily at 40 m/h... 1, record 10, English, - vertical%20filter
Record 10, French
Record 10, Domaine(s)
- Piscines
- Équipement et outillage (Alimentation en eau)
Record 10, Main entry term, French
- filtre vertical
1, record 10, French, filtre%20vertical
correct
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 OBS
Filtres à sable : On utilise le plus souvent les filtres à sable sous pression [...] La faible turbidité de l'eau permet de grandes vitesses de filtration [...] et conduit à l'emploi de sable de fine granulométrie. Les filtres lavables par simple retour d'eau [...] se divisent en deux types: les filtres verticaux classiques travaillant entre 15 et 20 m/h et les filtres à grande vitesse type Hydrazur dont la conception permet un bon fonctionnement à 40 m/h. 1, record 10, French, - filtre%20vertical
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 1981-01-26
Record 11, English
Record 11, Subject field(s)
- Pools
- Gravel and Sand Production
- Water Treatment (Water Supply)
Record 11, Main entry term, English
- fine-grain sand 1, record 11, English, fine%2Dgrain%20sand
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 OBS
Sand filters. Pressure-type sand filters are most often used... The low turbidity of the water permits high filtration speeds..., and entails the use of fine-grain sand. Filters designed for water backwash... comprise two types : standard vertical filters operating at 15 to 20 m/h..., and Hydrazur type high-speed filters designed to operate satisfactorily at 40 m/h... 1, record 11, English, - fine%2Dgrain%20sand
Record 11, French
Record 11, Domaine(s)
- Piscines
- Gravières et sablières
- Traitement des eaux
Record 11, Main entry term, French
- sable de fine granulométrie
1, record 11, French, sable%20de%20fine%20granulom%C3%A9trie
correct
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 OBS
Filtres à sable: On utilise le plus souvent les filtres à sable sous pression [...] La faible turbidité de l'eau permet de grandes vitesses de filtration [...] et conduit à l'emploi de sable de fine granulométrie. Les filtres lavables par simple retour d'eau [...] se divisent en deux types: les filtres verticaux classiques travaillant entre 15 et 20 m/h et les filtres à grande vitesse type Hydrazur dont la conception permet un bon fonctionnement à 40 m/h. 1, record 11, French, - sable%20de%20fine%20granulom%C3%A9trie
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 1981-01-26
Record 12, English
Record 12, Subject field(s)
- Water Treatment (Water Supply)
- Wastewater Treatment
Record 12, Main entry term, English
- air-water wash
1, record 12, English, air%2Dwater%20wash
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 CONT
The final washing stage consists of a rinse with water alone at the same backwash flow-rate of filtered water as that used during the air-water wash. 1, record 12, English, - air%2Dwater%20wash
Record 12, French
Record 12, Domaine(s)
- Traitement des eaux
- Traitement des eaux usées
Record 12, Main entry term, French
- soufflage air-eau
1, record 12, French, soufflage%20air%2Deau
correct, masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
Record 12, Textual support, French
Record number: 12, Textual support number: 1 CONT
La phase finale du lavage consiste en un rinçage à l'eau seule au même débit de retour d'eau filtrée que celui utilisé pendant le soufflage air-eau. 1, record 12, French, - soufflage%20air%2Deau
Record 12, Spanish
Record 12, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada
Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified: