Browse > Article
http://dx.doi.org/10.9727/jmsk.2015.28.1.17

The Mineralogical and Chemical Characteristics of Slag from Kazakhstan and Leaching of Cu and Fe  

Kim, Bong-Ju (Department of Energy and Resource Engineering, Chosun University)
Cho, Kang-Hee (Department of Energy and Resource Engineering, Chosun University)
Shin, Seung-Han (Technology Research Center, Mine Reclamation Corporation)
Choi, Nag-Choul (Department of Rural Systems Engineering/Research Institute for Agriculture and Life Science, Seoul National University)
Park, Cheon-Young (Department of Energy and Resource Engineering, Chosun University)
Publication Information
Journal of the Mineralogical Society of Korea / v.28, no.1, 2015 , pp. 17-28 More about this Journal
Abstract
In order to study the mineralogical and chemical characteristics of copper slag, optical microscopy, SEM/EDS, EPMA, AAS and XRD analyses were carried out. In addition, sulfuric acid leaching experiments were performed to investigate the potential of the slag as a copper resource. It was confirmed that fayalite, chromite, bornite and chalcopyrite were contained in the slag. The slag mainly consisted of acicular fayalite and skeletal lath -euhedral chromite crystals. Also a very large amount of bornite and chalcopyrite grains were contained in the slag. The content of Fe and Cu in the slag was 18.37% and 0.93%, respectively. As a result of sulfuric acid leaching experiments, the leaching rates of Cu and Fe were increased through decreasing the slag particle size, increasing the sulfuric acid concentration and the leaching temperature. The maximum efficiency of Cu and Fe leaching were obtained under the conditions of particle size of 32 mesh, sulfuric acid concentration of 2.0 M, and leaching temperature of $60^{\circ}C$. Accordingly, it is expected that the slag could be available as a potential and alternative resource of metallic copper.
Keywords
copper slag; fayalite; chromite; bornite; chalcopyrite;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 Altundogan, H.S. and Tumen, F. (1997) Metal recovery from copper converter slag by roasting with ferric sulphate. Hydrometallurgy, 44, 261-267.   DOI   ScienceOn
2 Altundogan, H.S., Boyrazli, M., and Tumen, F. (2004) A study on the sulphuric acid leaching of copper converter slag in the presence of dichromate. Minerals Engineering, 17, 464-467.
3 Arslan, C. and Arslan, F. (2002) Recovery of copper, cobalt, and zinc from copper smelter and converter slags. Hydrometallurgy, 67, 1-7.   DOI   ScienceOn
4 Banza, A.N., Gock, E., and Kongolo, K. (2002) Base metals recovery from copper smelter slag by oxidising leaching and solvent extraction. Hydrometallurgy, 67, 63-69.   DOI   ScienceOn
5 Carranza, F., Lglesias, N., Mazuelos, A., Romero, R., and Forcat, O. (2009) Ferric leaching of copper slag flotation taillings, Minerals Engineering, 22, 107-110.   DOI   ScienceOn
6 Cho, K.H., Kim B.J., Choi, N.C., and Park, C.Y. (2014) The Variation of Cu Recovery by Electrowinning Conditions and Their Mineralogical Characteristics from Cathodic Deposition-powdered Copper. J. Miner. Soc. Korea, 27(4), 183-195 (in Korean with English abstract).   DOI   ScienceOn
7 Craig, J.R. and Vaughan, D.J. (1981) Ore microscopy and ore petrography. John Wiley & Sons, New York, 406p.
8 Davenport, W.G., King, M., Schlesinger, M., and Biswas, A.K. (2002) Extractive metallurgy of copper. Pergamon, Oxford, 432p.
9 Ghorbani, Y., Becker, M., Mainza, A., Franzidis, J.P., and Petersen, J. (2011) Large particle effects in the chemical/biochemical heap leach processes-a review. Minerals Engineering, 24, 1172-1184.   DOI   ScienceOn
10 Gorai, B., Jana, R.K., and Premchand. (2003) Characteristics and utilisation of copper slag-a review. Resources Conservation and Recycling, 39, 299-313.   DOI   ScienceOn
11 Kim B.J., Cho, K.H., Choi, N.C., and Park, C.Y. (2014a) The Characteristic Dissolution of Valuable Metals from Mine-Waste Rock by Heap Bioleaching, and the Recovery of Metallic Copper Powder with Fe Removal and Electrowinning. J. Miner. Soc. Korea, 27(4), 207-222 (in Korean with English abstract).   DOI   ScienceOn
12 Kim, B.J., Cho, K.H., Jo, J.Y., Choi, N.C., and Park, C.Y. (2014b), The characteristic of Te recovery in gold concentrate using electrolysis, Economic and Environmental Geology, 47, 645-655 (in Korean with English abstract).   DOI   ScienceOn
13 Kim, B.K., Kim, J.Y., Kim, J.S., Bang, B.R., Yu, T.U., Hwang, J.H., Peck, J.H., and Park, D.H. (2014c) Study on the optimization of 1MW plasma melting system for the recycling of copper in copper slag. The Korean Society of Mechanical Engineers 2014 symposium, 317-318 (in Korean with English abstract).
14 KOMIS-http://www.kores.net/main.do
15 Lee, J.E. (2014) Recovery of Fe from non-ferrous smelting slag using electrochemical process. M.D Thesis, Ulsan university, Ulsan, 51p (in Korean with English abstract).
16 Pracejus, B., 2008, The ore minerals under the microscope, Elsevier, New York, 875p.
17 Li, Y., Perederiy, I., and Papangelakis, V.G. (2008) Cleaning of waste smelter slags and recovery of valuable metals by pressure oxidative leaching. Journal Hazardous Materials, 152, 607-615.   DOI   ScienceOn
18 Parsons, M.B., Bird, D.K., Einaudi, M.T., and Alpers, C.N. (2001) Geochemical and mineralogical controls on trace element release from the Penn Mine base-metal slag dump, California. Applied Geochemistry, 16, 1567-1593.   DOI   ScienceOn
19 Piatak, N., Seal, R.R., and Hammarstrom, J.M. (2004) Mineralogical and geochemical controls on the release of trace elements from slag produced by base-and precious-metal smelting at abandoned mine sites. Applied Geochemistry, 19, 1039-1064.   DOI   ScienceOn
20 Qin, W.Q., Zhang, Y.Q., Li, W.Z., and Wang, J. (2008) Simulated small-scale plot heap leaching of low-grade copper sulfide ore with selective extraction of copper. Transactions of Nonferrous Metals Society of China, 18, 1463-1467.   DOI   ScienceOn
21 Shin, H.J. and Lee, C.J. (2012) Atlas of rock-forming minerals in thin section, Kyoyookbook, Seoul, 379p.
22 Shtiza, A., Swennen, R., and Tashko, A. (2005) Chromium and nickel distribution in soils, active river, overbank sediments and dust around the Burrel chromium smelter(Albania). Journal of Geochemical Exploration, 87, 92-108.   DOI   ScienceOn
23 Veglio, F., Trifoni, M., Pagnanelli, F., and Toro, L. (2001) Shrinking core model with variable activation energy: a kinetic model of manganiferous ore leaching with sulphuric acid and lactose. Hydrometallurgy, 60, 167-179.   DOI   ScienceOn
24 Yang, Z., Rui-lin, M., Wang-don, N., and Hui, W. (2010) Selective leaching of base metals from copper smelter slag. Hydrometallurgy, 103, 25-29.   DOI   ScienceOn
25 Vitkova, M., Ettler, V., Johan, Z., Kribek, B., Sebek, O., and Mihaljevic, M. (2010) Primary and secondary phase in copper-cobalt smelting slags from the Copperbelt province, Zambia. Mineralogical Magazine, 74, 581-600.   DOI   ScienceOn
26 Wei, X., Viadero, Jr, R.C., and Buzby, K.M. (2005) Recovery of iron and aluminum from acid mine drainage by selective precipitation. Environmental Engineering Science, 22, 745-755.   DOI   ScienceOn