SOLVENT EXTRACTION OF ZINC FROM ACIDIC LEACH SOLUTIONS
Authors/Creators
- 1. University of Mining and Geology "St. Ivan Rilski"
Description
An initial test work was carried out to demonstrate that solution produced by autoclave acid leaching of Electric Arc Furnace Dust (EAFD) from the steel production could be processed through solvent extraction (SX) to recover zinc. Solvent extraction is a process for purification of the leach solution that extracts mainly zinc from other metallic impurities. To assess zinc extraction different counter-current extraction and strip configurations were tested. Extractant Di-2-ethylhexyl phosphoric acid (D2EHPA) and Shellsol D100 as a diluent were used in this investigation. The main operational parameters and the results obtained in the test work are presented in this paper. Well over 90% of the zinc was extracted from the pregnant leach solution using multi-stage SX circuit configuration and pH adjustment. Details of circuit configurations, phase disengagement times and crud generation are also shown.
Files
Todor Angelov, Ivanka Valchanova.pdf
Files
(1.4 MB)
| Name | Size | Download all |
|---|---|---|
|
md5:a0e8a956de67652ebc9e11365a1b52c2
|
1.4 MB | Preview Download |
Additional details
References
- Balesini Aghdam, A. A., Razavizadeh, H., Zakeri, A., 2011, Solvent extraction of zinc from acidic solution obtained from cold purification filter cake of Angouran mine concentrate using D2EHPA. Iranian Journal of Chemical Engineering (8) 43-47.
- Chauhan S., Patel T., 2014, A Review on Solvent Extraction of Nickel, International Journal of Engineering Research & Technology (IJER), 3 (9), 1315-1322.
- Cole P.M., Sole K.C., 2002. Solvent extraction in the primary and secondary processing of zinc, The Journal of The South African Institute of Mining and Metallurgy, 451-456.
- Cole P. M., Sole K. C., 2003. Zinc Solvent Extraction in the Process Industries, Mineral Processing and Extractive Metall, (24), 91-137.
- Deep A., De Carvalho J., 2008. Review on the Recent Developments in the Solvent Extraction of Zinc, Solvent Extraction and Ion Exchange, 26, 375–404.
- Kumar J. R., Kim J-S., Lee J-Y, Yoon H-S., 2011. A Brief Review on Solvent Extraction of Uranium from Acidic Solutions, Separation & Purification Reviews, 40 (2), 77-125
- Liu W., Zhang J., Xu Z., Liang J., Zhu Z., 2021. Study on the extraction and separation of zinc, cobalt, and nickel using Ionquest 801, Cyanex 272 and their mixtures, Metals, 11, 401-403
- MacKenzie M. 1997. The solvent extraction of some major metals – an overview, Henkel Australia Pty ltd.
- Martín D., Díaz G., García M. A., Sánchez F., 2002. Extending zinc production possibilities through solvent extraction, The Journal of The South African Institute of Mining and Metallurgy, 463-467
- Musadaidzwa J. M, Tshiningayamwe E. I., 2009. Skorpion Zinc Solvent Extraction: The Upset Conditions, The Southern African Institute of Mining and Metallurgy Base Metals Conference, 245-257.
- Pereira D., Rocha S., Mansur M., 2007, Recovery of zinc sulphate from industrial effluents by liquid–liquid extraction using D2EHPA (di-2-ethylhexyl phosphoric acid), Separation and Purification Technology, 53, 89-96.
- Regel-Rosocka M., Alguacil F. J., 2013. Recent trends in metals extraction, Revista de Metalurgia, 49(4), 292-316.
- Soderstrom M., Bednarski T., 2007. Considerations for circuit configuration and extractant formulation selection, Cytec Solutions, 13, 5-8.
- Sole K. C., Tinkler O. S., 2016. Copper solvent extraction: status, operating practices and challenges in the African Copper Belt., Journal of the Southern African Institute of Mining and Metallurgy, 116 (6), 553–560.
- Xie F., Zhang T., Dreisinger D., Doyle F., 2014. A critical review on solvent extraction of rare earths from aqueous solutions, Minerals Engineering, (56), 10–28.