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pelletisation [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2006-06-06

English

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

In metallurgy, the process of forming a small round spherical body, frequently applied to metal ores, especially iron ore.

CONT

Iron ore consisting of mineral concentrates is usually processed further by pelletizing and sintering, and blended with other types of ore to improve the overall grade and structural quality of the furnace burden ...

French

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

Procédé de fabrication d'agrégats sphériques de matériau, par passage et humidification de celui-ci dans un appareil rotatif (tambour ou disque bouleteur).

CONT

Le minerai de fer composé de concentrés de minéraux doit habituellement subir un traitement supplémentaire par boulettage et frittage et être mélangé avec d'autres types de minerai pour améliorer la teneur globale et la qualité structurale de la charge des fours [...]

OBS

L'orthographe «boulettage» qu'on rencontre parfois est impropre.

PHR

Usine de bouletage.

Spanish

Campo(s) temático(s)
  • Explotación de minerales (Metalurgia)
  • Hierro
  • Preparación de los productos mineros
DEF

Formación de pellets a partir de un material pulverulento.

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Record 2 2001-08-20

English

Subject field(s)
  • Biochemistry
  • Wastewater Treatment
CONT

Monsoon in tropical countries can cause severe land erosion and, as a consequence, high turbidity in streams and rivers. Pelletization process is known to remove turbidity at very high efficiency and with smaller reactors as well as reduced capital and operation costs... The pellets, formed by sufficient agitation in the reaction zone, are very compact and dense, and thereby possess high settling velocity.

CONT

Water Treatment Plants and Operations. Improvement of the Turbidity Removal by Internal Pellet Recirculation in a Pelletisation Process.

French

Domaine(s)
  • Biochimie
  • Traitement des eaux usées
DEF

Mise en forme de pellets.

OBS

Les facteurs qui influencent la «pelletisation» sont : conditions de croissance et de floculation, brassage (horizontal/vertical et son intensité), hauteur du réacteur, démarrage, type d'eau (L'analyse écologique des boues activées, 1976, p. 18).

Spanish

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