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TAUX MISE SOLUTION [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-02-29

English

Subject field(s)
  • Mineral Processing (Metallurgy)
  • Processing of Mineral Products
DEF

The treatment of ore by heat and air, or oxygen-enriched air, in order to remove sulphur and arsenic.

DEF

Heating an ore to effect some chemical change that will facilitate smelting.

CONT

Roasting (sulphide ores only) - removal of all or part of the sulphur.

OBS

Roasting is basically a heating of sulphide minerals in the presence of air to burn off all or part of the sulphur, converting the minerals to oxides either totally or in part.

OBS

Compare with "calcination."

French

Domaine(s)
  • Minéralurgie (Métallurgie)
  • Préparation des produits miniers
DEF

Chauffage d’un minerai pour obtenir certains changements chimiques qui faciliteront la fonte.

CONT

Dans le cas de nombreux minerais complexes, un grillage avant récupération par extraction hydrométallurgique est essentiel pour obtenir un taux d’extraction satisfaisant des métaux précieux. [...] Le grillage vise essentiellement à obtenir un produit calciné plus ou moins poreux, facilitant ainsi la mise en solution [...]

CONT

Lorsqu’un grillage du minerai est nécessaire, il intervient entre l’atelier de broyage et celui de dissolution.

CONT

Les pyrites [...] sont les seuls minerais métalliques sulfurés exploités [...] pour la production du soufre. Un simple grillage fournit le gaz sulfureux et le résidu constitue un bon minerai de fer [...]

CONT

Grillage des minerais sulfurés du cuivre.

Spanish

Campo(s) temático(s)
  • Explotación de minerales (Metalurgia)
  • Preparación de los productos mineros
Save record 1

Record 2 2000-03-31

English

Subject field(s)
  • Environmental Studies and Analyses
CONT

Accordingly, the purpose of the monitoring was not only to track changes in suspended solids concentrations and turbidity but also to try to determine rate of solubilization of metals present in the dredged material.

Key term(s)
  • solubilization rate
  • solubilisation rate
  • rate of solubilisation

French

Domaine(s)
  • Études et analyses environnementales
CONT

Le suivi avait donc pour but non seulement de surveiller l'évolution des matières en suspension et de la turbidité mais surtout de chercher à déterminer le taux de mise en solution des métaux présents dans les matériaux dragués.

Spanish

Save record 2

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