Separation of Mo(Ⅵ)and Cu(Ⅱ)Using Aqueous Two-Phase System of Isodecanol Polyoxyethylene Ether and Ammonium Sulfate
Mo(Ⅵ)and Cu(Ⅱ)in aqueous solution were extracted by using an aqueous two-phase system consisting of isodecanol polyoxyethylene ether(E-1006)and ammonium sulfate((NH4)2SO4)for the first time,and a phase diagram of the system was also obtained.Effects of initial pH of aqueous phase,temperature of system,and concentrations of E-1006 and(NH4)2SO4 on Mo-Cu separation effect were also investigated.The results show that with pH of 2.0,temperature of 313.15 K,and both E-1006 and(NH4)2SO4 at concentration of 150 g/L,the extraction efficiency of Mo(Ⅵ)is 96.08％and the separation factor for Mo(Ⅵ)and Cu(Ⅱ)is 5 131.45.
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