The Selective Carbothermic Reduction ofChromite

two different average particle sizes of chromite to determine the effect of this parameter upon the slag Cr:Fe ratio. The two chromite samples were prepared by screening Winterveld chromite …

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(PDF) Improvement in Cr:Fe Ratio of Indian …

After tabling under optimized conditions, chromite concentrate contained 1.91 Cr/Fe ratio, 46.02% of Cr2O3 with 65.95% recovery.

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Les différentes méthodes de traitement de la chromite

L'utilisation de la chromite en métallurgie présente 75 % de la consommation totale. Pour ce domaine, le ratio Cr/Fe est supérieur à 3 et le taux en Cr2O3 vaut au moins 48%. Le chrome …

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Magnetic separation studies on ferruginous chromite fine to …

The fine chromite was observed to be upgraded to a Cr:Fe ratio of 2.2 with a yield of 55.7% through the use of an induced roll magnetic separator and a feed material with a Cr:Fe …

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Traitements métallurgiques et chimiques des concentrés de …

La métallurgie extractive du chrome est conditionnée par la réfractarité de la chromite et celle du chrome métal. Cet article rappelle d'abord les propriétés physiques et chimiques du métal, sa …

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(PDF) Improvement in Cr: Fe Ratio of Indian …

Tiny Cr-grains within quartz and fine silica dusts within chromite inhibit liberation of chromite resulting in poor response to physical beneficiation. As an alternative, processing of ore through pyro-metallurgical route was evaluated.

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Magnetic flotation beneficiation of chromite ore

Le traitement consiste à déprimer les serpentines, flotter la chromite et la magnétite, et séparer la magnétite de la pulpe en utilisant un champ magnétique d'intensité inferieure a …

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Enrichment Chromite Sand Grade Using Magnetic …

Chromite can be classified on the Cr/Fe ratio. The highest-grade chromites are those having Cr/Fe ratio of more than 2 and containing a minimum of 46 to 48% Cr 2 O 3 [5]. …

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Relation between grade (% Cr2O3) and Cr:Fe ratio …

Chromite ore is geologically associated with gangue materials which have lower density compared to pure chromite (FeO.Cr2O3). Gravity separation techniques are very suitable for...

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Magnetic separation studies on ferruginous chromite …

Conventionally, the chromite ore beneficiation is carried out using gravity concentration techniques. As the particle size decreases, the separation of the chromite particles by gravity

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