IJNM  Vol.2 No.4 , October 2013
A Statistical Method for Determining the Best Zinc Pregnant Solution for the Extraction by D2EHPA
ABSTRACT

The application of D2EHPA in zinc solvent extraction has extensive background. To utilize more effectively, response surface methodology was used to optimize the concentration condition of zinc pregnant solution (ZPL) extracted by D2EHPA. In the current research, zinc, iron and manganese extraction along with separation factor of zinc-iron (Sf (Zn-Fe)) and zinc-manganese (Sf (Zn-Mn)) were considered as the response values. The optimal ZPL conditions extracted with 30% D2EHPA as the extraction solvent were as follows: Zn 21.96 g/L, Fe 382.57 ppm, Mn 1 g/L, Sf (Zn-Fe) 8.26 and Sf (Zn-Mn) 1529.82. In addition, it was found that the iron and manganese concentration were the most effective factors affecting the zinc and manganese extraction, respectively.


Cite this paper
Haghighi, H. , Moradkhani, D. and Salarirad, M. (2013) A Statistical Method for Determining the Best Zinc Pregnant Solution for the Extraction by D2EHPA. International Journal of Nonferrous Metallurgy, 2, 136-143. doi: 10.4236/ijnm.2013.24020.
References
[1]   E. Vahidi, F. Rashchi and D. Moradkhani, “Recovery of Zinc from an Industrial Zinc Leach Residue by Solvent Extraction Using D2EHPA,” Minerals Engineering, Vol. 22, No. 2, 2009, pp. 204-206. http://dx.doi.org/10.1016/j.mineng.2008.05.002

[2]   M. Bolourfroush, M. Oliyazadeh and K. Gharibi, “Investigation of Zinv Solvent Extraction by D2EHPA,” Iranian Journal of Mining Engineering (IRJME), Vol. 2, No. 4, 2008, pp. 21-28.

[3]   A. G. Pecherskaya and V. V. Stender, JPC, Vol. 9, No. 920, 1950.

[4]   V. V. Stender and A. G. Pecherskaya, Non-Fer. Met, Vol. 45, No. 4, 1950.

[5]   U. F. Turomoshina and V. V. Stender, JPC, Vol. 166, No. 2, 1955.

[6]   P. Zaidler and V. V. Stender, JPC, Vol. 17, No. 282, 1944.

[7]   I. Ivanov and Y. Stefanov, “Electroextraction of Zinc from Sulphate Electrolytes Containing Antimony Ions and Hydroxyethylated-butyne-2-diol-1,4: Part 3. The Influence of Manganese Ions and a Divided Cell,” Hydrometallurgy, Vol. 64, No. 3, 2002, pp. 181-186. http://dx.doi.org/10.1016/S0304-386X(02)00039-7

[8]   M. R. C. Ismael and J. M. R. Carvalho, “Iron Recovery from Sulphate Leach Liquors in Zinc Hydrometallurgy,” Minerals Engineering, Vol. 16, No. 1, 2003, pp. 31-39. http://dx.doi.org/10.1016/S0304-386X(02)00039-7

[9]   F. Principe and G. P. Demopoulos, “Comparative Study of Iron(III) Separation from Zinc Sulphate-Sulphuric Acid Solutions Using Organophosphorus Extractants, OPAP and D2EHPA: Part II. Stripping,” Hydrometallurgy, Vol. 79, No. 3-4, 2005, pp. 97-109. http://dx.doi.org/10.1016/j.hydromet.2005.06.006

[10]   Y. Sun, et al., “Optimizing the Extraction of Phenolic Antioxidants from Kudingcha made from Ilex Kudingcha C. J. Tseng by Using Response Surface Methodology,” Separation and Purification Technology, Vol. 78, No. 3, 2011, pp. 311-320. http://dx.doi.org/10.1016/j.seppur.2011.01.038

[11]   C.-H. Tan, et al., “Extraction and Physicochemical Properties of Low Free Fatty Acid Crude Palm Oil,” Food Chemistry, Vol. 113, No. 2, 2009, pp. 645-650. http://dx.doi.org/10.1016/j.foodchem.2008.07.052

 
 
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