Abstract
This chapter covers the impurity removal techniques before electrowinning. Alkaline hydraulic NaOH precipitation, Zn dust cementation, and Na2S precipitation can be used to purify ZnSO4 and PbSO4 PLSs. Fe and As impurities can be removed by NaOH + H2O2 hydraulic precipitation at a pH of 3.5. Al, Cu, and Cd can be precipitated at pH: 5.0 using Zn dust. Two-stage separate precipitation was performed better impurity removal than combined one-stage precipitation. Na2S precipitation of PbSO4 and Pb brine solution was also covered in detail.
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Abbreviations
- EAFD:
-
Electric Arc Furnace Dust
- EW:
-
Electrowinning
- LME:
-
London Metal Exchange
- PLS:
-
Pregnant Leach Solution
- RLE:
-
Roasting Leaching Electrowinning
- SX:
-
Solvent Extraction
- XRD:
-
X-Ray Diffraction
References
Ahmed IM, Nayl AA, Daoud JA (2016) Leaching and recovery of zinc and copper from brass slag by sulfuric acid. J Saudi Chem Soc 20:S280–S285. https://doi.org/10.1016/j.jscs.2012.11.003
Babcan J (1971) Synthesis of JarositeKFe3(SO4)2(OH)6. Geol Zb 22:299–304
Claassen JO, Sandenbergh RF (2006) Particle growth parameters in the precipitation of metastable iron phases from zinc-rich solutions. Hydrometallurgy 84:165–174
Davey PT, Scott TR (1975) Formation of β-FeOOH and α-Fe2O3 in the Goethite process. Trans Inst Min Metall Sec C C 84:83–86
Dutrizac JE, Riveros PA (1999) The precipitation of hematite from ferric chloride media at atmospheric pressure. Metall Mater Trans 30B:993–1001
Dutrizac JE, Jambor JL (2000) Jarosites and their application in hydrometallurgy. Rev Mineral Geochem 40:405–452
Güler E, Seyrankaya A (2016) Precipitation of impurity ions from zinc leach solutions with high iron contents- A special emphasis on cobalt precipitation. Hydrometallurgy 164:118–124
Han H, Sun W, Hu Y, Jia B, Tang H (2014) Anglesite and silver recovery from jarosite residues through roasting and sulphidization-flotation in zinc hydrometallurgy. J Haz Mater 278:49–54
Ismael MRC, Carvalho JMR (2003) Iron recovery from sulphate leach liquors in zinc hydrometallurgy. Miner Eng 16(1):31–39. https://doi.org/10.1016/S0892-6875(02)00310-2
Jambor JL, Dutrizac JE (1998) Occurrence and constitution of natural and synthetic ferrihydrite, a widespread iron oxyhydroxide. Chem Rev 98:2549–2586
Krause B, Sandenbergh RF (2015) Optimization of cobalt removal from an aqueous sulfate zinc leach solution for zinc electrowinning. Hydrometallurgy 155:132–140. https://doi.org/10.1016/j.hydromet.2015.05.001
Loan M, Parkinson G, Newman M, Farrow J (2002) Iron oxyhydroxide crystallization in a hydrometallurgical residue. J Cryst Growth 235:482–488
Loan M, Newman OMG, Cooper RMG, Farrow JB, Parkinson GM (2006) Defining the paragoethite process for iron removal in zinc hydrometallurgy. Hydrometallurgy 81:104–129
Mbedzi N, Ibana D, Browner R (2017) The effect of oxidant addition on ferrous iron removal from multi-element acidic sulphate solutions, AIP conference proceedings 1805, 030002 (2017). https://doi.org/10.1063/1.4974413.
Pappu A, Saxena M, Asolekar SR (2006) Jarosite characteristics and its utilization potentials. Sci Total Environ 359:232–243
Pradel J, Castillo S, Traverse JP, Grezes-Besset R, Darcy M (1993) Ferric hydroxideoxide from the goethite process: characterization and potential use. Ind Eng Chem Res 32:1801–1804
Raghavan R, Mohanan PK, Verna SK (1999) Modified zinc sulphate solution purification technique to obtain low levels of cobalt for the zinc electrowinning process. Hydrometallurgy 51:187–206
Raghavan R, Mohanan PK, Swarnkar RS (2000) Hydrometallurgical processing of lead-bearing materials for the recovery of lead and silver as a lead concentrate and lead metal. Hydrometallurgy 58:103–116
Saferzadeh MS, Dhawan N, Birinci M, Moradkhani D et al (2011) Reductive leaching of cobalt from zinc plant purification resıdues. Hydrometallurgy 106:51–57
Tsakiridis PE, Oustadakis P, Katsiapi S, Agatzini-Leonardou S (2010) Hydrometallurgical process for zinc recovery from electric arc furnace dust. Part Iı: Downstream processing and zinc recovery by electrowinning. J Hazard Mater 179:8–14. https://doi.org/10.1016/j.jhazmat.2010.04.004
USBM RI 9522
Yu JY (1996) Precipitation of Fe and Al compounds from the acid mine waters in the Dogyae area, Korea; A qualitative measure of equilibrium modelling applicability and neutralization capacity. Aquat Geochem 2:81–105
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Kaya, M. (2023). Impurity Purification Before Electrowinning. In: Kaya, M. (eds) Recycling Technologies for Secondary Zn-Pb Resources. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-031-14685-5_10
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