TERMIUM Plus®

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calcine [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-10-02

English

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

To roast ore in oxidizing atmosphere, usually to expel sulfur or carbon dioxide.

Key term(s)
  • calcinate

French

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

Expulser les matières volatiles, oxyde de carbone, eau, etc., par la chaleur, avec ou sans oxydation.

CONT

Griller du minerai.

Spanish

Save record 1

Record 2 2000-06-30

English

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

Material resulting from calcination.

DEF

Ore or concentrate after treatment by calcination or roasting and ready for melting.

French

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

Le grillage vise essentiellement à obtenir un produit calciné plus ou moins poreux, facilitant ainsi la mise en solution [...]

OBS

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

Key term(s)
  • calcinat

Spanish

Campo(s) temático(s)
  • Preparación de los productos mineros
  • Explotación de minerales (Metalurgia)
Save record 2

Record 3 1996-03-18

English

Subject field(s)
  • Waste Management
  • Nuclear Waste Materials
CONT

The fundamental steps (for vitrification) involve the denitration of the waste followed by drying and calcining; the calcines are melted with glass-forming additives and the vitrified product solidifies on cooling.

CONT

Large-scale vitrification plants. ... The continuous/two stage process is represented by AVM, Atelier de vitrification de Marcoule. ... The liquid radioactive waste in nitric acid is fed continuously into a rotary calciner. The solution is dried and the nitrates decomposed at temperatures between 600 and 900°C. The calcine leaving the rotary furnace is mixed with premelted glass frit and introduced into a melting pot.

French

Domaine(s)
  • Gestion des déchets
  • Déchets nucléaires
CONT

[...] on alimente un calcinateur tournant [...] par la solution de produits de fission à laquelle on ajoute un adjuvant qui, en se décomposant, donnera un calcinat de granulométrie convenable.

CONT

La figure 1 représente le schéma de principe du procédé A.V.M. : un calcinateur rotatif, alimenté en continu par la solution à traiter effectue l'évaporation, le séchage et la calcination partielle du résidu sec. Un four de fusion fond le mélange (calcinat et verre primaire) pour produire le verre de formule choisie, qui est coulé à intervalle régulier dans un conteneur métallique de stockage.

Spanish

Campo(s) temático(s)
  • Gestión de los desechos
  • Desechos nucleares
Save record 3

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