[1] United States Environmental Protection Agency, Development Document for Proposed Effluent Limitations Guidelines and Standards for the Centralized Waste Treatment Industry EPA 821-R-98-020, vol. I, 1998. [2] United States Environmental Protection Agency, Development Document for Proposed Effluent Limitations Guidelines and Standards for the Centralized Waste Treatment Industry EPA 821-R-98-020, vol. Ⅱ, 1998. [3] S.P. Cheng, Heavy metal pollution in China:Origin, pattern and control, Environ. Sci. Pollut. Res. 10(3) (2003) 192-198. [4] W.W. Ngah, M.A.K.M. Hanafiah, Removal of heavy metal ions from wastewater by chemically modified plant wastes as adsorbents:A review, Bioresour. Technol. 99(10) (2008) 3935-3948. [5] S.E. Kentish, G.W. Stevens, Innovations in separations technology for the recycling and re-use of liquid waste streams, Chem. Eng. J. 84(2) (2001) 149-159. [6] F. Wang, F. He, J. Zhao, N. Sui, L. Xu, H. Liu, Extraction and separation of cobalt(Ⅱ), copper(Ⅱ) and manganese(Ⅱ) by Cyanex272, PC-88A and their mixtures, Sep. Purif. Technol. 93(2012) 8-14. [7] U.K. Kesieme, N. Milne, H. Aral, C.Y. Cheng, M. Duke, Economic analysis of desalination technologies in the context of carbon pricing, and opportunities for membrane distillation, Desalination 323(2013) 66-74. [8] F. Fu, Q. Wang, Removal of heavy metal ions from wastewaters:A review, J. Environ. Manag. 92(3) (2011) 407-418. [9] J.M. Zhao, X.Y. Shen, F.L. Deng, F.C. Wang, Y. Wu, H.Z. Liu, Synergistic extraction and separation of valuable metals from waste cathodic material of lithium ion batteries using Cyanex272 and PC-88A, Sep. Purif. Technol. 78(3) (2011) 345-351. [10] K. Sarangi, P.K. Parhi, E. Padhan, A.K. Palai, K.C. Nathsarma, K.H. Park, Separation of iron(Ⅲ), copper(Ⅱ) and zinc(Ⅱ) from a mixed sulphate/chloride solution using TBP, LIX84I and Cyanex 923, Sep. Purif. Technol. 55(1) (2007) 44-49. [11] D.S. Flett, New reagents or new ways with old reagents, J. Chem. Technol. Biotechnol. 74(2) (1999) 99-105. [12] C.Y. Cheng, K.R. Barnard, W. Zhang, D.J. Robinson, Synergistic solvent extraction of nickel and cobalt:A review of recent developments, Solvent Extr. Ion Exch. 29(5-6) (2011) 719-754. [13] D. Flett, S. Titmuss, Synergistic effect of LIX63 on the extraction of copper and cobalt by naphthenic acid, J. Inorg. Nucl. Chem. 31(1969) 2612. [14] M. Tanaka, M. Maruyama, Y. Sato, Solvent extraction recovery of nickel from spent electroless nickel plating baths using mixtures of organophosphorous acids and hydroxyoximes, Solvent Extr. Res. Dev., Jpn. 10(2003) 51-63. [15] J.S. Preston, A.C. du Preez, Synergistic effects in the solvent extraction of some divalent metals by mixtures of versatic 10 acid and pyridinecarboxylate esters, J. Chem. Technol. Biotechnol. 61(2) (1994) 159-165. [16] J.S. Preston, A.C. du Preez, Separation of nickel and calcium by solvent extraction using mixtures of carboxylic acids and alkylpyridines, Hydrometallurgy 58(3) (2000) 239-250. [17] D.S. Flett, D.R. Spink, Solvent extraction of non-ferrous metals:A review 1972-1974, Hydrometallurgy 1(1976) 207. [18] A.d. Preez, J. Preston, Separation of nickel and cobalt from calcium, magnesium and manganese by solvent extraction with synergistic mixtures of carboxylic acids, J. South. Afr. Inst. Min. Metall. 104(6) (2004) 333-338. [19] C.Y. Cheng, Solvent extraction of nickel and cobalt with synergistic systems consisting of carboxylic acid and aliphatic hydroxyoxime, Hydrometallurgy 84(2006) 109. [20] C.Y. Cheng, W. Zhang, Y. Pranolo, Separation of cobalt and zinc from manganese, magnesium, and calcium using a synergistic solvent extraction system consisting of Versatic10 and LIX63, Solvent Extr. Ion Exch. 28(5) (2010) 608-624. [21] C.Y. Cheng, K.R. Barnard, W. Zhang, Z. Zhu, Y. Pranolo, Recovery of nickel, cobalt, copper and zinc in sulphate and chloride solutions using synergistic solvent extraction, Chin. J. Chem. Eng. 24(2) (2016) 237-248. [22] Z. Zhu, W. Zhang, Y. Pranolo, C.Y. Cheng, Separation and recovery of copper, nickel, cobalt and zinc in chloride solutions by synergistic solvent extraction, Hydrometallurgy 127(2012) 1-7. [23] R.B. Sudderth, W.H. Jensen, Utilization of LIX63 in Same Liquid Ion Exchange Systems, CIMM, 1976, General Meeting Montreal Quebec Canada, April 21-25, 1974. [24] C.Y. Cheng, G. Boddy, W. Zhang, M. Godfrey, et al., Recovery of nickel and cobalt from laterite leach solutions using direct solvent extraction:Part 1:Selection of a synergistic SX system, Hydrometallurgy 104(2010) 45. [25] C.Y. Cheng, G. Boddy, W. Zhang, M. Godfrey, et al., Recovery of nickel and cobalt from laterite leach solutions using direct solvent extraction:Part 2:Semi-and fullycontinuous tests, Hydrometallurgy 104(2010) 53. [26] G.A. Kordosky, J.M. Sierakoski, J.E. House, The LIX860 series:unmodified copper extraction reagents, Proc. of the International Solvent Extraction Conf., Denver, Colorado, 1983. [27] G.A. Kordosky, Copper SX circuit design and operation-current advances and future possibilities, Technical Proceedings ALTA 2003 SK/IX World Summit, Perth, Australia, 2003. [28] G. Leszek, P. Grzegorz, Contaminants of Post-leaching Copper Solutions and their behavior during extraction with industrial extractants, Physicochem. Probl. Miner. Process. 49(1) (2013) 133-143. [29] B. Ndlovu, T. Mahlangu, Calcium and magnesium rejection from sulphate solutions in lateritic nickel solvent extraction using Versatic 10 acid-LIX® 84-IC system, J. South. Afr. Inst. Min. Metall. 108(4) (2008) 223-228. [30] R. Sarkar, S. Ray, S. Basu, Synergism in solvent extraction and solvent extraction kinetics, J. Chem. Biol. Phys. Sci. (JCBPS) 4(4) (2014) 3156. [31] D. Moradkhani, M. Urbani, C.Y. Cheng, M. Askari, D. Bastani, The separation of cadmium from zinc with a synergistic mixture of nonylsalicylic acid and triisobutylphosphine sulphide, Hydrometallurgy 78(1) (2005) 129-136. [32] 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 Versatic10 and Cyanex272, Miner. Eng. 17(4) (2004) 535-543. [33] D. Pouillon, F.M. Doyle, Solvent extraction of metals with carboxylic acids:Theoretical analysis of extraction behaviour, Hydrometallurgy 19(3) (1988) 269-288. [34] F. Miller, Carboxylic acids as metal extractants, Talanta 21(7) (1974) 685-703. [35] N.M. Rice, Recent developments and potential uses for carboxylic acid extractants:A review, Hydrometallurgy 3(2) (1978) 111-133. [36] J.S. Preston, Solvent extraction of nickel and cobalt by mixtures of carboxylic acids and non-chelating oximes, Hydrometallurgy 11(1) (1983) 105-124. [37] M. Tanaka, M. Maruyama, Y. Sato, Solvent extraction recovery of nickel from spent electroless nickel plating baths using mixtures of organophosphorous acids and hydroxyoximes, Solvent Extr. Res. Dev., Jpn. 10(2003) 51-63. [38] M.T. Coll, A. Fortuny, C.S. Kedari, A.M. Sastre, Studies on the extraction of Co(Ⅱ) and Ni(Ⅱ) from aqueous chloride solutions using Primene JMT-Cyanex272 ionic liquid extractant, Hydrometallurgy 125(2012) 24-28. [39] J.S. Preston, Solvent extraction of metals by carboxylic acids, Hydrometallurgy 14(2) (1985) 171-188. [40] X.B. Sun, J.P. Wang, D.Q. Li, H.F. Li, Synergistic extraction of rare earths by mixture of bis(2,4,4-trimethylpentyl)phosphinic acid and Sec-nonylphenoxy acetic acid, Sep. Purif. Technol. 50(1) (2006) 30-34. [41] E.A. Fouad, Separation of copper from aqueous sulfate solutions by mixtures of Cyanex301 and LIX984N, J. Hazard. Mater. 166(2009) 720. [42] J.S. Preston, A.C. du Preez, Solvent extraction of nickel from acidic solutions using synergistic mixtures containing pyridinecarboxylate esters. Part 3. Systems based on arylsulphonic acids, J. Chem. Technol. Biotechnol. 71(1) (1998) 43-50. [43] B.R. Reddy, D.N. Priya, Chloride leaching and solvent extraction of cadmium, cobalt and nickel from spent nickel-cadmium, batteries using Cyanex923 and 272, J. Power Sources 161(2) (2006) 1428-1434. [44] A. Borowiak-Resterna, J. Szymanowski, Effect of hydroxyoxime structure upon metal-complexing properties, J. Radioanal. Nucl. Chem. 150(2) (1991) 235-246. [45] Jan Szymanowski, Aleksandra Borowiak-Resterna, Chemistry and analytical characterization of the effect of hydroxyoxime structure upon metal-complexing and extraction properties, Crit. Rev. Anal. Chem. 22(1-2) (1991) 519-566. [46] E.R. de San Miguel, J.C. Aguilar, J.P. Bernal, M.L. Ballinas, M.T.J. Rodriguez, J. De Gyves, K. Chimmel, Extraction of Cu (Ⅱ), Fe (Ⅲ), Ga (Ⅲ), Ni (Ⅱ), in (Ⅲ), Co (Ⅱ), Zn (Ⅱ) and Pb (Ⅱ) with LIX® 984 dissolved in n-heptane, Hydrometallurgy 47(1) (1997) 19-30. |