TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
DEPRESSING AGENT [1 record]
Record 1 - internal organization data 2016-02-29
Record 1, English
Record 1, Subject field(s)
- Processing of Mineral Products
- Mineral Processing (Metallurgy)
- Chemical Engineering
- Water Pollution
Record 1, Main entry term, English
- depressing agent
1, record 1, English, depressing%20agent
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- depressing reagent 2, record 1, English, depressing%20reagent
correct
- depressant 3, record 1, English, depressant
correct
- depressor 4, record 1, English, depressor
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A substance which when added to a pulp prevents a particular mineral or minerals from floating. 5, record 1, English, - depressing%20agent
Record number: 1, Textual support number: 2 DEF
In froth flotation process, [an agent] which reacts with particle surface to render it less prone to stay in the froth, thus causing it to wet down as a tailing product. 4, record 1, English, - depressing%20agent
Record number: 1, Textual support number: 1 CONT
Depressants act by complexing elements at surface lattices of minerals which might carry charge attractive to conditioning agents; by destroying collector coating; by surface modification of particles. 4, record 1, English, - depressing%20agent
Record number: 1, Textual support number: 2 CONT
Surface-active additives may promote air flotation by altering the properties of the system. ... activating reagents ... react with molecules at the surface of particles to produce a surface on which the collecting reagent can be adsorbed. Depressing reagents accomplish the opposite task. In proper combination activators and depressants will promote the flotation of desired phases. 2, record 1, English, - depressing%20agent
Record 1, French
Record 1, Domaine(s)
- Préparation des produits miniers
- Minéralurgie (Métallurgie)
- Génie chimique
- Pollution de l'eau
Record 1, Main entry term, French
- dépresseur
1, record 1, French, d%C3%A9presseur
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- déprimant 2, record 1, French, d%C3%A9primant
correct, masculine noun
- agent déprimant 3, record 1, French, agent%20d%C3%A9primant
correct, masculine noun
- inhibiteur 4, record 1, French, inhibiteur
see observation, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Réactif utilisé pour réduire ou atténuer la flottabilité d'un minéral. 5, record 1, French, - d%C3%A9presseur
Record number: 1, Textual support number: 2 DEF
Réactif employé dans la séparation des solides par flottation, et possédant la propriété d'augmenter considérablement l'aptitude que présentent certains corps à se laisser mouiller par l'eau. 6, record 1, French, - d%C3%A9presseur
Record number: 1, Textual support number: 1 CONT
Pour des minerais complexes, comme la galène mêlée à la blende, on fait de la flottation différentielle : on empêche la blende de flotter dans les premières écumes en ajoutant un dépresseur, par exemple un cyanure, puis, quand toute la galène est flottée, on ajoute un activateur, tel que du sulfate de cuivre, pour flotter la blende. 7, record 1, French, - d%C3%A9presseur
Record number: 1, Textual support number: 1 OBS
Déprimants [...] encore appelés inhibiteurs [...] 8, record 1, French, - d%C3%A9presseur
Record 1, Key term(s)
- réactif dépresseur
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Preparación de los productos mineros
- Explotación de minerales (Metalurgia)
- Ingenieria química
- Contaminación del agua
Record 1, Main entry term, Spanish
- depresor
1, record 1, Spanish, depresor
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- deprimente 1, record 1, Spanish, deprimente
correct, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Reactivo que se usa en el procedimiento de separación por flotación en razón de sus propiedades humectantes. 1, record 1, Spanish, - depresor
Record number: 1, Textual support number: 1 OBS
El silicato de sodio es un depresor de ganga. 1, record 1, Spanish, - depresor
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
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: