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M. Ito, M. Tsunekawa, E. Yamaguchi, K. Sekimura, K. Kashiwaya, K. Hori, N. Hiroyoshi, Estimation of degree of liberation in a coarse crushed product of cobalt-rich ferromanganese crust/nodules and its gravity separation, International Journal of Mineral Processing, Vol.87 No.3-4, 2008

L. Burzynska, W. Gumowska, E. Rudnik, J. Partyka, Mechanism of the anodic dissolution of Cu70-Co4-Fe14-Pb7 alloy originated from reduced copper converter slag in an ammoniacal solution: Recovery of copper and cobalt, Hydrometallurgy, Vol. 92, No.1-2, 2008

R. Sadanandam, M.F. Fonseca, K. Srikant, A.K. Sharma, S.K. Tangri and A.K. Suri, Production of high purity cobalt oxalate from spent ammonia cracker catalyst, Hydrometallurgy, Vol. 91, No.1-4, 2008

Yan-Zhao Yang, Tao Zhu, Chuan-Bo Xia, Xue-Mei Xin, Ling Liu and Zhan-Yu Liu, Study on the extraction of cobalt and nickel from NH₄SCN solution by Winsor II microemulsion system, Separation and Purification Technology, Vol.60 No.2, 2008

Y.F. Shen, W.Y. Xue, W. Li and Y.L. Tang, Selective recovery of nickel and cobalt from cobalt-enriched Ni-Cu matte by two-stage counter-current leaching, Separation and Purification Technology, Vol.60 No.2, 2008

P.K. Parhi, S. Panigrahi, K. Sarangi and K.C. Nathsarma, Separation of cobalt and nickel from ammoniacal sulphate solution using Cyanex 272, Separation and Purification Technology, Vol.59 No.3, 2008

P.K. Parhi and K. Sarangi, Separation of copper, zinc, cobalt and nickel ions by supported liquid membrane technique using LIX 84I, TOPS-99 and Cyanex 272, Separation and Purification Technology, Vol.59 No.2, 2008

Oustadakis, P., et al, Bulk precipitation of nickel and cobalt from sulphate leach liquor by CaO pulp, Mineral Processing and Extractive Metallurgy (Trans. IMM C), Vol.116, No.4, 2007

Deng, C.H., et al, Studies on the leaching kinetics of cobalt from spent catalyst with sulphuric acid, Mineral Processing and Extractive Metallurgy (Trans. IMM C), Vol.116, No.3, 2007

K.-H. Park, D. Mohapatra, K. Hong-In and G. Xueyi, Dissolution behavior of a complex Cu-Ni-Co-Fe matte in CuCl₂-NaCl-HCl leaching medium, Separation and Purification Technology, Vol.56 No.3, 2007

D. Darvishi, D.F. Haghshenas, S. Etemadi, E. Keshavarz Alamdari and S.K. Sadrnezhaad, Water adsorption in the organic phase for the D2EHPA-kerosene/water and aqueous Zn²⁺, Co²⁺, Ni²⁺ sulphate systems, Hydrometallurgy, Vol.88 No.1-4, 2007

Kun Huang, Qi-wei Li and Jing Chen, Recovery of copper, nickel and cobalt from acidic pressure leaching solutions of low-grade sulfide flotation concentrates, Minerals Engineering, Vol.20, No.7, 2007

K.-H. Park, D. Mohapatra, B.R. Reddy and C.-W. Nam, A study on the oxidative ammonia/ammonium sulphate leaching of a complex (Cu-Ni-Co-Fe) matte, Hydrometallurgy, Vol.86 No.3-4, 2007

Bulut, G., et al, Recovery of metal values from copper slags by flotation and roasting with pyrite, Minerals & Metallurgical Processing, Vol.24 No.1, 2007

M.S. Lee and M.J. Nicol, Removal of iron from cobalt sulfate solutions by ion exchange with Diphonix resin and enhancement of iron elution with titanium(III), Hydrometallurgy, Vol.86 No.1-2, 2007

M. Baghalha, V.G. Papangelakis and W. Curlook, Factors affecting the leachability of Ni/Co/Cu slags at high temperature, Hydrometallurgy, Vol.85 No.1, 2007

Z. Yu, Q. Feng, L. Ou, Y. Lu and G. Zhang, Selective leaching of a high-iron cobalt matte at atmospheric pressure, Separation and Purification Technology, Vol.53 No.1, 2007

B. Swain, J. Jeong, J. Lee and G.-H. Lee, Separation of cobalt and lithium from mixed sulphate solution using Na-Cyanex 272, Hydrometallurgy, Vol.84 No.3-4, 2006

P. Jebbinnk et al, Expanding the Cobalt Recovery Circuit at the Thompson Nickel Refinery, JOM, Vol.58 No.10, 2006

J. P.T. Kapusta, Cobalt Production and Markets: A Brief Overview, JOM, Vol.58 No.10, 2006

C.G. Anderson, The Design-of-Experiment Optimization and Development of Cobalite Ore Mineral Processing, JOM, Vol.58 No.10, 2006

Wang, S., Cobalt- its recovery, recycling and application, JOM, Vol.58 No.10, 2006

K.H. Park, D. Mohapatra and B.R. Reddy, A study on the acidified ferric chloride leaching of a complex (Cu-Ni-Co-Fe) matte, Separation and Purification Technology, Vol.51 No.3, 2006

K.H. Park, B.R. Reddy, S.H. Jung and D. Mohapatra, Transfer of cobalt and nickel from sulphate solutions to spent electrolyte through solvent extraction and stripping, Separation and Purification Technology, Vol.51 No.3, 2006

A. Dib and L. Makhloufi, Mass transfer correlation of simultaneous removal by cementation of nickel and cobalt from sulphate industrial solution containing copper: Part II: Onto zinc powder, Chemical Engineering Journal, Vol.123 No.1-2, 2006

Chu Yong Cheng, Solvent extraction of nickel and cobalt with synergistic systems consisting of carboxylic acid and aliphatic hydroxyoxime, Hydrometallurgy, Vol.84 No.1-2, 2006

J. Nan, D. Han, M. Yang, M. Cui and X. Hou, Recovery of metal values from a mixture of spent lithium-ion batteries and nickel-metal hydride batteries, Hydrometallurgy, Vol.84 No.1-2, 2006

P. Oustadakis, S. Agatzini-Leonardou and P.E. Tsakiridis, Nickel and cobalt precipitation from sulphate leach liquor using MgO pulp as neutralizing agent, Minerals Engineering, Vol.19 No.11, 2006

M. Paterson-Beedle, L.E. Macaskie, C.H. Lee, J.A. Hriljac, K.Y. Jee and W.H. Kim, Utilisation of a hydrogen uranyl phosphate-based ion exchanger supported on a biofilm for the removal of cobalt, strontium and caesium from aqueous solutions, Hydrometallurgy, Vol.83 No.1-4, 2006

R. Xu, K. Ma and Z. Guo, Activation mechanism of Sb₂O₃ during removal of cobalt from zinc sulphate solution, Hydrometallurgy, Vol.82 No.3-4, 2006

B.R. Reddy, D.N. Priya and K.H. Park, Separation and recovery of cadmium(II), cobalt(II) and nickel(II) from sulphate leach liquors of spent Ni-Cd batteries using phosphorus based extractants, Separation and Purification Technology, Vol.50 No.2, 2006

R. Coskun, C. Soykan, M. Sacak, Adsorption of copper(II), nickel(II) and cobalt(II) ions from aqueous solution by methacrylic acid/acrylamide monomer mixture grafted poly(ethylene terephthalate) fiber , Separation and Purification Technology, Vol.49 No.2, 2006

M. Filiz, N.A. Sayar, A.A. Sayar, Extraction of cobalt(II) from aqueous hydrochloric acid solutions into alamine 336-m-xylene mixtures, Hydrometallurgy, Vol.81 No.3-4, 2006

D.M. Manohar, B.F. Noeline, T.S. Anirudhan, Adsorption performance of Al-pillared bentonite clay for the removal of cobalt(II) from aqueous phase, Applied Clay Science, Vol.31 No.3-4, 2006

P.K. Gbor, S. Hoque, C.Q. Jia, Dissolution behavior of Fe, Co, and Ni from non-ferrous smelter slag in aqueous sulphur dioxide, Hydrometallurgy, Vol.81 No.2, 2006

G. Zeng, G. Xie, D. Yang, J. Wang, X. Li, R. Li, The effect of cadmium ion on cobalt removal from zinc sulfate solution, Minerals Engineering, Vol.19 No.2, 2006

D. Yang, G. Xie, G. Zeng, J. Wang, R.x. Li, Mechanism of cobalt removal from zinc sulfate solutions in the presence of cadmium, Hydrometallurgy, Vol.81 No.1, 2006

Kongolo, K., et al, Contribution of nickel, zinc and sulphur co-deposition during cobalt electrowinning, Journal of the South African Institute of Mining and Metallurgy, Vol.105 No.9, 2005

J. Nasi, K. Leiviska, Solution filtration in cobalt removal process: Detection of varying process conditions, Minerals Engineering, Vol.18 No.13-14, 2005

Tsakiridis, P.E., and Agatzini-Leonardou, S., Simultaneous solvent extraction of cobalt and magnesium in the presence of nickel from sulfate solutions by Ionquest 801, Journal of Chemical Technology & Biotechnology, Vol.80 No.11, 2005

I.G. Sharma, P. Alex, A.C. Bidaye, A.K. Suri, Electrowinning of cobalt from sulphate solutions. Hydrometallurgy, Vol.80 No.1-2, 2005

Y. Xie, Y. Xu, L. Yan, R. Yang, Recovery of nickel, copper and cobalt from low-grade Ni-Cu sulfide tailings. Hydrometallurgy, Vol.80 No.1-2, 2005

Kapusta, J. P. T., Recent Advances in the Extraction and Processing of Cu, Ni, and Co. JOM, Vol.57 No.7, 2005

F.D. Mendes, A.H. Martins, Selective nickel and cobalt uptake from pressure sulfuric acid leach solutions using column resin sorption, International Journal of Mineral Processing, Vol.77 No.1, 2005

F.D. Mendes, A.H. Martins, Recovery of nickel and cobalt from acid leach pulp by ion exchange using chelating resin, Minerals Engineering, Vol.18 No.9, 2005

R.H. Matjie, M.S. Scurrell, J. Bunt, The selective dissolution of alumina, cobalt and platinum from a calcined spent catalyst using different lixiviants, Minerals Engineering, Vol.18 No.8, 2005

K.H. Park, H.I. Kim, R.P. Das, Selective acid leaching of nickel and cobalt from precipitated manganese hydroxide in the presence of chlorine dioxide. Hydrometallurgy, Vol.78 No.3-4, 2005

B.R. Reddy, D. Neela Priya, S. Venkateswara Rao, P. Radhika, Solvent extraction and separation of Cd(II), Ni(II) and Co(II) from chloride leach liquors of spent Ni-Cd batteries using commercial organo-phosphorus extractants. Hydrometallurgy, Vol.77 No.3-4, 2005

M.V. Rane, V.H. Bafna, R. Sadanandam, A.K. Sharma, K. Ramadevi, N.K. Menon, M.F. Fonseca, S.K. Tangri, A.K. Suri, Recovery of high purity cobalt from spent ammonia cracker catalyst. Hydrometallurgy, Vol.77 No.3-4, 2005

D. Darvishi, D.F. Haghshenas, E.K. Alamdari, S.K. Sadrnezhaad, M. Halali, Synergistic effect of Cyanex 272 and Cyanex 302 on separation of cobalt and nickel by D2EHPA Hydrometallurgy, Vol.77 No.3-4, 2005

C. Bourget, B. Jakovljevic, D. Nucciarone, CYANEX^® 301 binary extractant systems in cobalt/nickel recovery from acidic sulphate solutions Hydrometallurgy, Vol.77 No.3-4, 2005

A. Mukherjee, A.M. Raichur, J.M. Modak, K.A. Natarajan, Dissolution of Cu, Co and Ni from ocean nodules by l-ascorbic acid, Chemical Engineering & Processing, Vol.44 No.7, 2005

R.S. Juang, H.C. Kao, Extraction separation of Co(II)/Ni(II) from concentrated HCl solutions in rotating disc and hollow-fiber membrane contactors., Separation and Purification Technology, Vol.42 No.1, 2005

Nelson, L.R., et al, Application of a high-intensity cooling system to DC-arc furnace production of ferrocobalt at Chambishi. J. South African IMM, Vol. 104 No 9, 2004

Moo-Yeal Lee et al, Determination of the efficiency and removal mechanism of cobalt by crab shell particles. Journal of Chemical Technology & Biotechnology, Vol.79 No.12, 2004

B.R. Reddy, J.R. Kumar and A.V. Reddy, Solvent extraction of zirconium(IV) from acidic chloride solutions using the thiosubstituted organophosphorus acids Cyanex 301 and 302. Journal of Chemical Technology & Biotechnology, Vol.79 No.11, 2004

E.D. van Hullebusch, M. H. Zandvoort and P.N.L. Lens, Nickel and cobalt sorption on anaerobic granular sludges: kinetic and equilibrium studies. Journal of Chemical Technology & Biotechnology, Vol.79 No.11, 2004

J.H. Huang, C. Kargl-Simard, M. Oliazadeh, A.M. Alfantazi, pH-Controlled precipitation of cobalt and molybdenum from industrial waste effluents of a cobalt electrodeposition process. Hydrometallurgy, Vol.75 No.1-4, 2004

B. Jakovljevic, C. Bourget, D. Nucciarone, CYANEX(R) 301 binary extractant systems in cobalt/nickel recovery from acidic chloride solutions. Hydrometallurgy, Vol.75 No.1-4, 2004

V.d.A. Cardoso, A.G.d. Souza, P.P.C. Sartoratto, L.M. Nunes, The ionic exchange process of cobalt, nickel and copper(II) in alkaline and acid-layered titanates., Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol.248 No.1-3, 2004

F.D. Mendes, A.H. Martins, Selective sorption of nickel and cobalt from sulphate solutions using chelating resins., International Journal of Mineral Processing, Vol.74 No.1-4, 2004

du Preez, A.C., and Preston, J.S., Separation of nickel and cobalt from calcium, magnesium and manganese by solvent extraction with synergistic mixtures of carboxylic acids. J. South African IMM, Vol.104 No.6, 2004

N Tzanetakis, K Scott, Recycling of nickel-metal hydride batteries. II: Electrochemical deposition of cobalt and nickel. Journal of Chemical Technology & Biotechnology, Vol.79 No.9, 2004

Dutrizac, J. E. Chen, T. T., Factors Affecting the Incorporation of Cobalt and Nickel in Jarosite-Type Compounds. Canadian Metallurgical Quarterly, Vol.43 No.3, 2004

Ramachandran, V., Copper, Nickel, and Cobalt Production: Impurity Control and Removal. JOM, Vol.56 No.7, 2004

Huang, J. H. Kargl-Simard, C. Alfantazi, A. M., Electrowinning of Cobalt From a Sulfate-Chloride Solution. Canadian Metallurgical Quarterly, Vol.43 No.2, 2004

S.K. Sahu, A. Agrawal, B.D. Pandey, V. Kumar, Recovery of copper, nickel and cobalt from the leach liquor of a sulphide concentrate by solvent extraction [rapid communication]. Minerals Engineering, Vol.17 No.7-8, 2004

P.E. Tsakiridis, S. Agatzini-Leonardou, Process for the recovery of cobalt and nickel in the presence of magnesium from sulphate solutions by Cyanex 272 and Cyanex 302. Minerals Engineering, Vol.17 No.7-8, 2004

Cerpa A.; Alguacil F.J., Separation of cobalt and nickel from acidic sulfate solutions using mixtures of di(2-ethylhexyl)phosphoric acid (DP-8R) and hydroxyoxime (ACORGA M5640). Journal of Chemical Technology & Biotechnology, Vol.79 No.5, 2004

S. Brochot, M.V. Durance, J. Villeneuve, P. d'Hugues, M. Mugabi, Modelling of the bioleaching of sulphide ores: application for the simulation of the bioleaching/gravity section of the Kasese Cobalt Company Ltd process plant. Minerals Engineering, Vol.17 No.2, 2004

P.E. Tsakiridis, S.L. Agatzini, Process for the recovery of cobalt and nickel in the presence of magnesium and calcium from sulphate solutions by Versatic 10 and Cyanex 272. Minerals Engineering, Vol.17 No.4, 2004

N.H. Chung, M. Tabata, Salting-out phase separation of the mixture of 2-propanol and water for selective extraction of cobalt(II) in the presence of manganese(II), nickel(II), and copper(II). Hydrometallurgy, Vol.73 No.1-2, 2004

P.E. Tsakiridis, S.L. Agatzini, Simultaneous solvent extraction of cobalt and nickel in the presence of manganese and magnesium from sulfate solutions by Cyanex 301. Hydrometallurgy, Vol.72 No.3-4, 2004

O.M. El Hussaini, N.M. Rice, Liquid-liquid extraction of niobium and tantalum from aqueous sulphate/fluoride solutions by a tertiary amine. Hydrometallurgy, Vol.72 No.3-4, 2004

Nathsarma, K.C., and Sarma, P.V.R.B., Solvent extraction of cobalt and zinc from sulphate solutions using phosphoric, phosphonic and phosphinic acids. The European Journal of Mineral Processing and Environmental Protection, Vol.3, No.2, 2003

K. Kongolo, M. Kipoka, K. Minanga, M. Mpoyo, Improving the efficiency of oxide copper-cobalt ores flotation by combination of sulphidisers. Mineral Engineering, Vol.16 No.10, 2003

C. Kargl-Simard, J.H. Huang, A.M. Alfantazi. Electrical conductivity and density of CoSO₄/H₂SO₄ solutions in the range of modern cobalt electrowinning electrolytes. Minerals Engineering, Vol.16, No.6, 2003

K.G. Mishra, P. Singh, D.M. Muir. Electrowinning of cobalt from sulphate solutions contaminated with organic impurities. Hydrometallurgy, Vol. 65 No.2-3, 2002

T.M. Dreher, A. Nelson, G.P. Demopoulos, D. Filippou. The kinetics of cobalt removal by cementation from an industrial zinc electrolyte in the presence of Cu, Cd, Pb, Sb and Sn additives. Hydrometallurgy, Vol.60 No.2, 2001

Y. Cao, P. Duby. Cobalt cementation with ferromanganese. Hydrometallurgy, Vol.61 No.3, 2001

N. Pradhan, P. Singh, B.C. Tripathy, S.C. Das. Electrowinning of cobalt from acidic sulphate solutions-effect of chloride ion. Minerals Engineering, Vol.14, No.7, 2001

C. Lupi, D. Pilone. Electrodeposition of nickel-cobalt alloys: the effect of process parameters on energy consumption. Minerals Engineering, Vol.14, No.11, 2001

Das, R. P., Production of Nickel and Cobalt from Secondary Sources - the Indian Experience. Erzmetall, Vol.54 No.9, 2001.

R.R. Moskalyk and A.M. Alfantazi, Review of present cobalt recovery practice. Minerals and Metallurgical Processing, Vol. 17 No. 4, November 2000.

M.I. Jeffrey, W.L. Choo, P.L. Breuer. The Effect of Additives and Impurities on the Cobalt Electrowinning Process. Minerals Engineering, Vol.13, No.12, Oct. 2000

Nelson, A., Wang, W., Demopoulos, G.P., and Houlachi, G., The removal of cobalt and zinc electrolyte by cementation: a critical review. Mineral Processing and Extractive Metallurgy Review, Vol. 20 Nos. 4-6, 2000

O Bockman, T Ostvold. Products formed during cobalt cementation on zinc in zinc sulphate electrolytes. Hydrometallurgy, Vol.54 No.2-3, Feb. 2000

D Stanojevic. Evaluation of cobalt from cobaltic waste products from the production of electrolytic zinc and cadmium. Hydrometallurgy, Vol.54 No.2-3, Feb. 2000

AN Mainza, S Simukanga, LK Witika. Effect of different collector dose rates on cobalt segregation. Minerals Engineering, Vol.12, No.9, 1999