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Application of a Mixed Kinetics Model to the Leaching of Low Grade Copper Sulfide Ores.
Madsen-BW; Wadsworth-ME; Groves-RD
Trans Soc Min Eng AIME 1975 Mar; 258:69-74
Experimental results obtained from large-scale (7 tons), long-term (500 days) leaching of low-tenor copper sulfide ores were interpreted by a geometric model involving the movement of a reaction zone through the ore fragments. The postulated leaching mechanism involved mixed kinetics and included diffusion of the reacting species through the host rock and a chemical reaction at the surface of the mineral particles. Ore properties that were considered were ore particle size and shape, grade of ore, and mineral content.
Trans. Soc. Min. Eng., AIME, V. 258, March 1975, PP. 69-74
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