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Part Two Leaching General
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0verall reaction activated charcoal adsorbed adsorption agitation alkali aluminum ammonia ammonium anion anode aqua regia aqueous phase arsenic autoclaves bauxite Calcination carbonate cation chemical chloride cobalt complex concentrated H2S04 copper crystals Cu2+ decreases dilute H2S04 dissolution dissolved electrolytic elemental sulfur elution equilibrium evaporation example Fe2+ ferric ferrous filter Filtration formation gangue gold heated hydrated hydrogen Hydrometallurgy hydroxide ilmenite impurities increased insoluble ion exchange ionic iron lanthanides leach solution leaching agent manganese medium metal ions method minerals mixture monazite Na0H NaCl nickel nitric acid obtained organic phase oxidizing agents oxygen phosphate rock phosphoric acid precipitation pressure Purification pyrite reagent recovered recovery recycled reduced residue resin salts selenium separation silicate silver slurry sodium sodium hydroxide solid solu soluble solution containing solvent extraction sorbed sulfate sulfide concentrate sulfuric acid surface Table takes place tanks temperature tion uranium usually washing zinc zinc sulfide