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N. E. El-Hefny, “Kinetics and Mechanism of Extraction of Cu(II) by Cyanex 302 from Nitrate Medium and Oxidative Stripping of Cu(I) using Lewis Cell,” Chemical Engineering and Processing, Vol. 49, No. 12, 2010, pp. 84-90. doi:10.1016/j.cep.2009.11.012

has been cited by the following article:

• TITLE: Liquid-Liquid Extraction of V(IV) from Sulphate Medium by Cyanex 301 Dissolved in Kerosene

  AUTHORS: Ranjit Kumar Biswas, Aneek Krishna Karmakar

  KEYWORDS: Extraction Equilibrium; Vanadium(IV); Cyanex 301; Kerosene; Sulphate

  JOURNAL NAME: International Journal of Nonferrous Metallurgy, Vol.2 No.1, January 25, 2013

  ABSTRACT: The equilibrium of extraction of V(IV) in the V(IV)- SO42- (H+, Na+)-Cyanex 301 (HA)-kerosene system has been studied. Significant extraction occurs above pH 1 within 10 min. CD (extraction ratio at constant pH(eq) and [HA](o,eq)) value is slightly decreased with increasing [V(IV)](ini). CD is found to be directly proportional to [H+]-n (n ≤ 2), [HA] 2 and (1+1.58 [SO42-]). The process is endothermic (DH = 16 kJ/mol). Apparent Kexvalues at 303 K are 10-1.419 and 10-0.94 in 0.10 and 1.50 mol/L SO42- medium, respectively. The loading capacity is calculated to be7.87 gV(IV) per100 g Cyanex 301. Kerosene appears as the best diluent. Stripping to the extents of 100%, 94% and 97.7% are possible in single stage by 1 mol/L H2SO4, HCl and HNO3, respectively. Separations of V(IV) from Cu(II) (at pH 0), Zn(II) (at pH 0.5) and Fe(III) (at pH 1.0) by Cyanex 301 are possible.