Constant specific gravity heat minimization

Details Constant specific gravity heat minimization Constant specific gravity heat minimization

C - Chemistry, Metallurgy

10

G

C10G 1/04 (2006.01)

Patent

CA 2753601

A process of regulating the water content of water-fluidized oil sand ore during processing of the ore is disclosed. The weight (m o) of a sample charge of oil sand ore having a bulk volume (V t) is determined. The inter granular voids of the sample charge are then filled with water, and the weight (m a) of the added inter granular water is determined. A target specific gravity value (SG mix) is selected for the fluidized oil sand ore. The determined volume .DELTA.V of additional water per bulk volume V t of oil sand ore to be processed is added to the oil sand ore, producing water- fluidized oil sand ore. The ore is then processed to concentrate the bitumen.

La présente invention porte sur un procédé de régulation de la teneur en eau de minerai de sables bitumineux fluidisé à l'eau pendant le traitement du minerai. La masse (mo) d'une charge d'échantillon de sables bitumineux ayant un volume brut (Vt) est déterminée. Les vides intergranulaires de la charge d'échantillon sont ensuite emplis d'eau et la masse (ma) de l'eau intergranulaire ajoutée est déterminée. Une valeur de densité cible (SGmix) est sélectionnée pour le minerai de sables bitumineux fluidisé. Le volume déterminé ?V d'eau additionnelle par volume brut Vt de minerai de sables bitumineux à traiter est ajouté au minerai de sables bitumineux, ceci produisant un minerai de sables bitumineux fluidisé à l'eau. Le minerai est ensuite traité pour concentrer le bitume.

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