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medium silicate ore processing line in Lille

Apr 01, 2010· The alkaline leaching kinetics of a zincsilicate oreassaying 34.1% Zn, 11.1% Fe and 22.9% SiO 2 is studied in sodium hydroxide solutions. Speciation diagrams indicate zinc dissolution as [Zn(OH) 4] 2− and SEM analysis showed a progressive reduction in particle size during leaching which supports the shrinking particle model. The process is chemically controlled with an activation energy of ...

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