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The thermodynamic equilibrium diagrams for distribution of species at different pH values of tungsten and aluminium with the systems of W-H2O and Al-H2O at 298K were established, separately. The effects of the concentrations of W, Al and Na2CO3 in feed, and the equilibrium pH on the extractions of W and Al were investigated. Thermodynamic analysis results revealed that the tungsten and aluminium exist...
The extractant 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester (PC-88A) was used to directly extract molybdenum(VI) from high sulfuric acid leach solutions containing 3mol/L H+. The effects of extractant concentration, solution acidity and type of stripping reagent on the recovery of molybdenum(VI) were investigated. The saturated loading capacity of molybdenum(VI) with 40% PC-88A in sulfonated...
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