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Ibanez, J.P., and Umetsu, Y., Uptake of Cd²⁺ from aqueous solutions using protonated dry alginate beads, Canadian Metallurgical Quarterly, Vol.47 No.1, 2008

K.O. Adebowale, E.I. Unuabonah and B.I. Olu-Owolabi, Kinetic and thermodynamic aspects of the adsorption of Pb²⁺ and Cd²⁺ ions on tripolyphosphate-modified kaolinite clay, Chemical Engineering Journal, Vol.136, No. 2-3, 2008

S.S. Gupta and K.G. Bhattacharyya, Immobilization of Pb(II), Cd(II) and Ni(II) ions on kaolinite and montmorillonite surfaces from aqueous medium, Journal of Environmental Management, Vol. 87, No. 1, 2008

M. Benamor, Z. Bouariche, T. Belaid and M.T. Draa, Kinetic studies on cadmium ions by Amberlite XAD7 impregnated resins containing di(2-ethylhexyl) phosphoric acid as extractant, Separation and Purification Technology, Vol. 59, No. 1, 2008

B. Ramachandra Reddy, S. Venkateswara Rao and D. Neela Priya, Selective separation and recovery of divalent Cd and Ni from sulphate solutions with mixtures of TOPS 99 and Cyanex 471 X, Separation and Purification Technology, Vol.59 No.2, 2008

M.S. Safarzadeh, D. Moradkhani, M.O. Ilkhchi and N.H. Golshan, Determination of the optimum conditions for the leaching of Cd-Ni residues from electrolytic zinc plant using statistical design of experiments, Separation and Purification Technology, Vol. 58, No. 3, 2008

S.I. El Dessouky, Y.A. El-Nadi, I.M. Ahmed, E.A. Saad and J.A. Daoud, Solvent extraction separation of Zn(II), Fe(II), Fe(III) and Cd(II) using tributylphosphate and CYANEX 921 in kerosene from chloride medium, Chemical Engineering and Processing: Process Intensification, Vol. 47, No. 2, 2008

Vimal Chandra Srivastava, Indra Deo Mall and Indra Mani Mishra, Removal of cadmium(II) and zinc(II) metal ions from binary aqueous solution by rice husk ash, Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 312, No. 2-3, 2008

N.K. Amin, E-S.Z. El-Ashtoukhy and O. Abdelwahab, Rate of cadmium ions removal from dilute solutions by cementation on zinc using a rotating fixed bed , Hydrometallurgy, Vol.89 No.3-4, 2007

M.S. Safarzadeh, D. Moradkhani and M.O. Ilkhchi, Determination of the optimum conditions for the cementation of cadmium with zinc powder in sulfate medium, Chemical Engineering and Processing: Process Intensification, Vol.46 No.12, 2007

Zhou, Z.H., Removal of cadmium from raw indium by physical and chemical methods, Minerals & Metallurgical Processing, Vol.24 No.3, 2007

E. Rudnik and M. Nikiel, Hydrometallurgical recovery of cadmium and nickel from spent Ni-Cd batteries, Hydrometallurgy, Vol.89 No.1-2, 2007

C. Zhu, Z. Luan, Y. Wang and X. Shan, Removal of cadmium from aqueous solutions by adsorption on granular red mud (GRM), Separation and Purification Technology, Vol.57 No.1, 2007

L.R. Gouvea and C.A. Morais, Recovery of zinc and cadmium from industrial waste by leaching/cementation, Minerals Engineering, Vol.20 No.9, 2007

T.G.P. Vasquez, A.E.C. Botero, L.M.S. de Mesquita and M.L. Torem, Biosorptive removal of Cd and Zn from liquid streams with a Rhodococcus opacus strain, Minerals Engineering, Vol.20 No.9, 2007

Yu, J., et al, Poly (methacrylic acid) modified biomass for enhancement adsorption of Pb²⁺, Cd²⁺ and Cu²⁺, Journal of Chemical Technology & Biotechnology, Vol.82 No.6, 2007

A. Mellah and D. Benachour, The solvent extraction of zinc, cadmium and chromium from phosphoric acid solutions by tri-n butyl phosphate in kerosene diluent, Separation and Purification Technology, Vol.56 No.2, 2007

W. Wang, H. Chen and A. Wang, Adsorption characteristics of Cd(II) from aqueous solution onto activated palygorskite, Separation and Purification Technology, Vol.55 No.2, 2007

M.R. Fagundes-Klen, P. Ferri, T.D. Martins, C.R.G. Tavares and E.A. Silva, Equilibrium study of the binary mixture of cadmium-zinc ions biosorption by the Sargassum filipendula species using adsorption isotherms models and neural network, Biochemical Engineering Journal, Vol.34 No.2, 2007

M. Sadegh Safarzadeh, M.S. Bafghi, D. Moradkhani and M. Ojaghi Ilkhchi, A review on hydrometallurgical extraction and recovery of cadmium from various resources, Minerals Engineering, Vol.20 No.3, 2007

M. Tomaszewska, A. Borowiak-Resterna and A. Olszanowski, Cadmium extraction from chloride solutions with model N-alkyl- and N,N-dialkyl-pyridine-carboxamides, Hydrometallurgy, Vol.85 No.2-4, 2007

A. Deram, F.-O. Denayer, H.-C. Dubourgier, F. Douay, D. Petit and C. Van Haluwyn, Zinc and cadmium accumulation among and within populations of the pseudometalophytic species Arrhenatherum elatius: Implications for phytoextraction, Science of The Total Environment, Vol.372 No.2-3, 2007

E.I. Unuabonah, B.I. Olu-Owolabi, K.O. Adebowale and A.E. Ofomaja, Adsorption of lead and cadmium ions from aqueous solutions by tripolyphosphate-impregnated Kaolinite clay, Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol.292 No.2-3, 2007

S.R. Younesi, H. Alimadadi, E. Keshavarz Alamdari and S.P.H. Marashi, Kinetic mechanisms of cementation of cadmium ions by zinc powder from sulphate solutions, Hydrometallurgy, Vol.84 No.3-4, 2006

G. Purna Chandra Rao, S. Satyaveni, A. Ramesh, K. Seshaiah, K.S.N. Murthy and N.V. Choudary, Sorption of cadmium and zinc from aqueous solutions by zeolite 4A, zeolite 13X and bentonite, Journal of Environmental Management, Vol.81 No.3, 2006

C. Escobar, C. Soto-Salazar and M.I. Toral, Optimization of the electrocoagulation process for the removal of copper, lead and cadmium in natural waters and simulated wastewater, Journal of Environmental Management, Vol.81 No.4, 2006

S. Gu, Y. Yu, D. He and M. Ma, Comparison of transport and separation of Cd(II) between strip dispersion hybrid liquid membrane (SDHLM) and supported liquid membrane (SLM) using tri-n-octylamine as carrier, Separation and Purification Technology, Vol.51 No.3, 2006

M. Erdem and A. Ozverdi, Kinetics and thermodynamics of Cd(II) adsorption onto pyrite and synthetic iron sulphide, Separation and Purification Technology, Vol.51 No.3, 2006

G. Bayramoglu, I. Tuzun, G. Celik, M. Yilmaz and M.Y. Arica, Biosorption of mercury(II), cadmium(II) and lead(II) ions from aqueous system by microalgae Chlamydomonas reinhardtii immobilized in alginate beads, International Journal of Mineral Processing, Vol.81 No.1, 2006

Ocio, A., et al, Copper and cadmium extraction from highly concentrated phosphoric acid solutions using calcium alginate gels enclosing bis(2,4,4-trimethylpentyl)thiophosphinic acid, Journal of Chemical Technology & Biotechnology, Vol.81 No.8, 2006

Berber-Mendoza, M.S. et al, Effect of pH and temperature on the ion-exchange isotherm of Cd(II) and Pb(II) on clinoptilolite. J. of Chemical Technology & Biotechnology, Vol 81 No 6, 2006

Y.-S. Ho and A.E. Ofomaja, Biosorption thermodynamics of cadmium on coconut copra meal as biosorbent, Biochemical Engineering Journal, Vol.30 No.2, 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

N. Fiol, I. Villaescusa, M. Martínez, N. Miralles, J. Poch and J. Serarols, Sorption of Pb(II), Ni(II), Cu(II) and Cd(II) from aqueous solution by olive stone waste, Separation and Purification Technology, Vol.50 No.1, 2006

A. Mellah and D. Benachour, The solvent extraction of zinc and cadmium from phosphoric acid solution by di-2-ethyl hexyl phosphoric acid in kerosene diluent, Chemical Engineering and Processing, Vol.45 No.8, 2006

L. Gotfryd, M. Cox, The selective recovery of cadmium(II) from sulfate solutions by a counter-current extraction-stripping process using a mixture of diisopropylsalicylic acid and Cyanex^® 471X, Hydrometallurgy, Vol.81 No.3-4, 2006

K. Jurkiewicz, Flotation of zinc and cadmium cations in presence of manganese dioxide., Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol.276 No.1-3, 2006

G.H. Pino, L.M. Souza de Mesquita, M.L. Torem, G.A. Saavedra Pinto, Biosorption of cadmium by green coconut shell powder, Minerals Engineering, Vol.19 No.5, 2006

A. Ucer, A. Uyanik, S.F. Aygun, Adsorption of Cu(II), Cd(II), Zn(II), Mn(II) and Fe(III) ions by tannic acid immobilised activated carbon , Separation and Purification Technology, Vol.47 No.3, 2006

K. Nazari, A. Ghadiri, H. Babaie, Elimination of cadmium from wet process phosphoric acid with Alamine 336, Minerals Engineering, Vol.18 No.13-14, 2005

T. Akar, S. Tunali, Biosorption performance of Botrytis cinerea fungal by-products for removal of Cd(II) and Cu(II) ions from aqueous solutions, Minerals Engineering, Vol.18 No.11, 2005

Rodriguez, A.M., et al, Liquid-liquid extraction of cadmium (II) by Cyanex 923 and its application to a solid-supported liquid membrane system, Journal of Chemical Technology & Biotechnology, Vol.80 No.8, 2005

Leyva-Ramos, R., et al, Intraparticle diffusion of cadmium and zinc ions during adsorption from aqueous solution on activated carbon, Journal of Chemical Technology & Biotechnology, Vol.80 No.8, 2005

H.J. Fan, P.R. Anderson, Copper and cadmium removal by Mn oxide-coated granular activated carbon, Separation and Purification Technology, Vol.45 No.1, 2005

R. Leyva-Ramos, L.A. Bernal-Jacome, I. Acosta-Rodriguez, Adsorption of cadmium(II) from aqueous solution on natural and oxidized corncob, Separation and Purification Technology, Vol.45 No.1, 2005

D.K. Singh, M. Srivastava, Selective uptake and recovery of cadmium (II) by microcapsule containing chelating resin, Separation and Purification Technology, Vol.45 No.1, 2005

Halikia, I., and Voudouris, N., Investigation of zinc dissolution and cadmium precipitation rates in a Cd²⁺/Zn cementation system, Mineral Processing and Extractive Metallurgy, Vol.114 No.2, 2005

F.E. Okieimen, C.E. Sogbaike, J.E. Ebhoaye, Removal of cadmium and copper ions from aqueous solution with cellulose graft copolymers, Separation and Purification Technology, Vol.44 No.1, 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

J. Markiewicz-Patkowska, A. Hursthouse, H. Przybyla-Kij, The interaction of heavy metals with urban soils: sorption behaviour of Cd, Cu, Cr, Pb and Zn with a typical mixed brownfield deposit., Environment International, Vol.31 No.4, 2005

M. Ghosh, S.P. Singh, A comparative study of cadmium phytoextraction by accumulator and weed species., Environmental Pollution, Vol.133 No.2, 2005

K. Vogel-Mikus, D. Drobne, M. Regvar, Zn, Cd and Pb accumulation and arbuscular mycorrhizal colonisation of pennycress Thlaspi praecox Wulf. (Brassicaceae) from the vicinity of a lead mine and smelter in Slovenia., Environmental Pollution, Vol.133 No.2, 2005

Kumar, G.P., and Prasad, M.N.V., Cadmium adsorption and accumulation by ceratophyllum demersum L: a fresh water macrophyte. European Journal of Mineral Processing and Environmental Protection, Vol.4 No.2, 2004

J.L. Valverde, A. de Lucas, M. Carmona, M. González and J.F Rodríguez, Equilibrium data of the exchange of Cu2+, Cd2+ and Zn2+ ions for H+ on the cationic exchanger Lewatit TP-207. . Journal of Chemical Technology & Biotechnology, Vol.79 No.12, 2004

A. Selatnia, M.Z. Bakhti, A. Madani, L. Kertous, Y. Mansouri, Biosorption of Cd2+ from aqueous solution by a NaOH-treated bacterial dead Streptomyces rimosus biomass. Hydrometallurgy, Vol.75 No.1-4, 2004

B. Ramachandra Reddy, D. Neela Priya, J. Rajesh Kumar, Solvent extraction of cadmium (II) from sulphate solutions using TOPS 99, PC 88A, Cyanex 272 and their mixtures. Hydrometallurgy, Vol.74 No.3-4, 2004

F.J. Alguacil, M. Alonso, Transport of cadmium from a mixture of HCl and H3PO4 using phosphine oxides (Cyanex 921 and Cyanex 923) as carriers: the influence of the membrane diluents (Exxsol D100 and Solvesso 100). Hydrometallurgy, Vol.74 No.3-4, 2004

X. Zeng, T. Jin, J.P. Buchet, X. Jiang, Q. Kong, T. Ye, A. Bernard, G.F. Nordberg, Impact of cadmium exposure on male sex hormones: a population-based study in China., Environmental Research, Vol.96 No.3, 2004

T. Jin, G. Nordberg, T. Ye, M. Bo, H. Wang, G. Zhu, Q. Kong, A. Bernard, Osteoporosis and renal dysfunction in a general population exposed to cadmium in China., Environmental Research, Vol.96 No.3, 2004

Yu Liu, Hui Xu, Shu-Fang Yang, Joo-Hwa Tay, A theoretical model for biosorption of cadmium, zinc and copper by aerobic granules based on initial conditions. Journal of Chemical Technology & Biotechnology, Vol.79 No.9, 2004

G.W Reade, P. Bond, C. Ponce de Leon, F.C Walsh, The application of reticulated vitreous carbon rotating cylinder electrodes to the removal of cadmium and copper ions from solution. Journal of Chemical Technology & Biotechnology, Vol.79 No.9, 2004

G. Ozdemir, N. Ceyhan, T. Ozturk, F. Akirmak, T. Cosar, Biosorption of chromium(VI), cadmium(II) and copper(II) by Pantoea sp. TEM18., Chemical Engineering Journal, Vol.102 No.3, 2004

G. Monteleone, L. Morroni, B. Robinson, M.R. Tine, M. Venturini, F. Secco, Metal ion extraction in surfactant solution: Ni²⁺(aq) and Cd²⁺(aq) with the ligands PADA and PAR in SDS micellar systems., Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol.243 No.1-3, 2004

Loukidou M.X., Karapantsios T.D., Zouboulis A.I., Matis K.A, Diffusion kinetic study of cadmium(II) biosorption by Aeromonas caviae. Journal of Chemical Technology & Biotechnology, Vol.79 No.7, 2004

S. Cay, A. Uyanik, A. Ozasik, Single and binary component adsorption of copper(II) and cadmium(II) from aqueous solutions using tea-industry waste. Separation and Purification Technology, Vol.38 No.3, 2004

Fang J.; Tang B.; Li M.; Xu Z., Recovery of cadmium from a zinc hydrometallurgical leachate using reactive emulsion liquid membrane technology. Journal of Chemical Technology & Biotechnology, Vol.79 No.4, 2004

F. Luo, D. Li, P. Wei, Synergistic extraction of zinc(II) and cadmium(II) with mixtures of primary amine N1923 and neutral organophosphorous derivatives. Hydrometallurgy, Vol.73 No.1-2, 2004

E. Keshavarz Alamdari, D. Moradkhani, D. Darvishi, M. Askari and D. Behnian, Synergistic effect of MEHPA on co-extraction of zinc and cadmium with DEHPA. Minerals Engineering, Vol.17 No.1, 2004

M.A. Hashim, K.H. Chu, Biosorption of cadmium by brown, green, and red seaweeds. Chemical Engineering Journal, Vol.97 No.2-3, 2004

M.I. Kandah, Zinc and cadmium adsorption on low-grade phosphate. Separation and Purification Technology, Vol.35 No.1, 2004

K. Wang, B. Xing, Mutual effects of cadmium and phosphate on their adsorption and desorption by goethite. Environmental Pollution, Vol.127 No.1, 2004

N. Zhu, L. Zhang, C. Li, C. Cai, Recycling of spent nickel-cadmium batteries based on bioleaching process. Waste Management, Vol.23 No.8, 2003

A. Hammaini, A. Ballester, M.L. Blazquez, F. Gonzalez, J. Munoz. Effect of the presence of lead on the biosorption of copper, cadmium and zinc by activated sludge. Hydrometallurgy, Vol. 67 No.1-3, 2002

K. Rostami, M.R. Joodaki. Some studies of cadmium adsorption using Aspergillus niger, Penicillium austurianum, employing an airlift fermenter. Chemical Engineering Journal, Vol.89 No.1-3, 2002

Y. Yalcinkaya, L. Soysal, A. Denizli, M.Y. Arica, S. Bektas, O. Genc. Biosorption of cadmium from aquatic systems by carboxymethylcellulose and immobilized Trametes versicolor. Hydrometallurgy, Vol.63 No.1, 2002

Duta, E.P., Franca, F.P., and Costa, A.C.A., The performance of a continuous system for biosorption and desorption of zinc, cadmium, manganese and copper by the seaweed sargassum sp. The European Journal of Mineral Processing and Environmental Protection, Vol.2 No.3, 2002

G. Lusvardi, G. Malavasi, L. Menabue, M. Saladini. Removal of cadmium ion by means of synthetic hydroxyapatite. Waste Management, Vol.22 No.8, 2002

P. Kaewsarn, Q. Yu. Cadmium(II) removal from aqueous solutions by pre-treated biomass of marine alga Padina sp. Environmental Pollution, Vol.112, No.2, 2001

F Barbier, M Petit-Ramel. Adsorption of lead and cadmium ions from aqueous solution to the montmorillonite/water interface. Colloid and Surfaces, A: Physiochem. and Eng. Asp., Vol.166 No 1-3, 2000

Z. Aksu. Equilibrium and kinetic modelling of cadmium(II) biosorption by C. vulgaris in a batch system: effect of temperature. Separation and Purification Technology, Vol.21 No.3, 2001

P. Huang, D.W. Fuerstenau. The effect of the adsorption of lead and cadmium ions on the interfacial behavior of quartz and talc. Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol.177 No.2-3, 2000

A.J.B. Dutra, A. Espinola, P.P. Borges. Cadmium Removal from Diluted Aqueous Solutions by Electrowinning in a Flow-by Cell. Minerals Engineering, Vol.13, No.10-11, Sept. 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

WHO Ernst, HJM Nelissen. Life-cycle phases of a zinc- and cadmium-resistant ecotype of Silene vulgaris in risk assessment of polymetallic mine soils. Environmental Pollution, Vol.107 No.3, 2000

Cox, A., and Fray, D.J., Recycling of cadmium from domestic, sealed NiCd battery waste by use of chlorination. Trans. IMM, Sect. C., Vol. 108, Sept.-Dec. 1999

IB Scorzelli, AL Fragomeni, ML Torem. Removal of cadmium from a liquid effluent by ion flotation, Minerals Engineering, Vol.12, No.8, 1999