[1. Kumbasar, R.A. (2008). Studies on extraction of chromium (VI) from acidic solutions containing various metal ions by emulsion liquid membrane using Alamine 336 as extractant. J. Memb. Sci. 325 (1), 460-466. DOI: 10.1016/j. memsci.2008.08.009.]Search in Google Scholar
[2. Acosta, A.O., Illanes, C. & Marchese, J. (2009). Removal and recovery of Cr (III) with emulsion liquid membranes. Desalin. Wat. Treat. 7 (1-3), 18-24. DOI: 10.5004/dwt.2009.438.10.5004/dwt.2009.438]Search in Google Scholar
[3. Luo, J.H., Li, J., Qi, Y.B. & Cao, Y.Q. (2013). Study on the removal of chromium(III) by solvent extraction. Desalin. Wat. Treat. 51 (10-12), 2130-2134. DOI: 10.1080/19443994.2012.735404.10.1080/19443994.2012.735404]Search in Google Scholar
[4. Koujalagi, P.S., Divekar, S.V., Kulkarni, R.M. & Nagarale, R.K. (2013). Kinetics, thermodynamic, and adsorption studies on removal of chromium(VI) using Tulsion A-27(MP) resin. Desalin. Wat. Treat. 51 (16-18), 3273-3283. DOI: 10.1080/19443994.2012.749049.10.1080/19443994.2012.749049]Search in Google Scholar
[5. Tor, A., Cengeloglu, Y., Ersoz, M. & Arslan, G. (2004). Transport of chromium through cation-exchange membranes by Donnan dialysis in the presence of some metals of different valences. Desalination 170 (2), 151-159. DOI: 10.1016/j. desal.2004.04.002.]Search in Google Scholar
[6. Vincent, T. & Guibal, E. (2000). Non-dispersive liquid extraction of Cr(VI) by TBP/Aliquat 336 using chitosan-made hollow fi ber. Sol. Extract. Ion Exchan. 18 (6), 1241-1260. DOI: 10.1080/07366290008934732.10.1080/07366290008934732]Search in Google Scholar
[7. Kimbrough, D.E., Cohen, Y., Winer, A.M., Creelman, L. & Mabuni, C. (1999). A critical assessment of chromium in the environment. Crit. Rev. Env. Sci. Tec. 29 (1), 1-46. DOI: 10.1080/10643389991259164.10.1080/10643389991259164]Search in Google Scholar
[8. Tabakci, M., Tabakci, B. & Beduk, A.D. (2012). Synthesis and application of an effi cient calix[4]arene-based anion receptor bearing imidazole groups for Cr(VI) anionic species. Tetrahedron 68 (22), 4182-4186. DOI: 10.1016/j.tet.2012.03.103.10.1016/j.tet.2012.03.103]Search in Google Scholar
[9. Guo, X., Zhang, F., Peng, Q., Xu, S., Lei, X., Evans, D. G. & Duan, X. (2011). Layered double hydroxide/eggshell membrane: An inorganic biocomposite membrane as an effi cient adsorbent for Cr(VI) removal. Chem. Eng. J. 166 (1), 81-87. DOI: 10.1016/j.cej.2010.10.010.10.1016/j.cej.2010.10.010]Search in Google Scholar
[10 . Fu, F.L., Han, W.J., Huang, C.J., Tang, B. & Hu, M. (2013). Removal of Cr(VI) from wastewater by supported nanoscale zero-valent iron on granular activated carbon. Desalin. Wat. Treat. 51 (13-15), 2680-2686. DOI: 10.1080/19443994.2012.749328.10.1080/19443994.2012.749328]Search in Google Scholar
[11 . Algarra, M., Jimenez, M.V., Rodriguez-Castellon, E., Jimenez-Lopez, A. & Jimenez-Jimenez, J. (2005). Heavy metals removal from electroplating wastewater by aminopropyl- -Si MCM-41. Chemosphere 59 (6), 779-786. DO I: 10.1016/j. chemosphere.2004.11.023.10.1016/j.chemosphere.2004.11.02315811406]Search in Google Scholar
[12. E.U.E.P. Office of Solid Waste Draft PBT Chemical List Office of Solid Waste and Emergency Response; EPA/530/D- -98/001A; Office of Solid Waste and Emergency Response: 1998. ]Search in Google Scholar
[13 . Kumbasar, R.A. (2009). Separation and concentration of cobalt from zinc plant acidic thiocyanate leach solutions containing cobalt and nickel by an emulsion liquid membrane using triisooctylamine as carrier. J. Memb. Sci. 333 (1-2), 118-124. DOI: 10.1016/j.memsci.2009.02.004. 10.1016/j.memsci.2009.02.004]Search in Google Scholar
[14 . Kumbasar, R.A. (2010). Selective extraction of chromium (VI) from multicomponent acidic solutions by emulsion liquid membranes using tributhylphosphate as carrier. J. Hazard. Mater. 178 (1-3), 875-882. DOI: 10.1016/j.jhazmat.2010.02.019. 10.1016/j.jhazmat.2010.02.019]Search in Google Scholar
[15 . Chiha, M., Samar, M.H. & Hamdaoui, O. (2006). Extraction of chromium (VI) from sulphuric acid aqueous solutions by a liquid surfactant membrane (LSM). Desalination 194 (1-3), 69-80. DOI: 10.1016/j.desal.2005.10.025. 10.1016/j.desal.2005.10.025]Search in Google Scholar
[16 . Pospiech, B. (2014). Selective recovery of cobalt(II) towards lithium(I) from chloride media by transport across polymer inclusion membrane with triisooctylamine. Pol. J. Chem. Tech. 16 (1), 15-20. DOI: 10.2478/pjct-2014-0003. 10.2478/pjct-2014-0003]Search in Google Scholar
[17 . Almeida, M.I.G.S., Cattrall, R.W. & Kolev, S.D. (2012). Recent trends in extraction and transport of metal ions using polymer inclusion membranes (PIMs). J. Mem. Sci. 415-416, 9-23. DOI: 10.1016/j.memsci.2012.06.006. 10.1016/j.memsci.2012.06.006]Search in Google Scholar
[18 . de Juan, D., Meseguer, V. & Lozano, L.J. (1998). Chromium extraction with organic solvents Part 2. Extraction with TBP and with Primene 81R. Rev. Metal. Madrid. 34 (4), 319-327. DOI:10.3989/revmetalm.1998.v34.i4.798. 10.3989/revmetalm.1998.v34.i4.798]Search in Google Scholar
[19 . Hsu, H.T., Chen, S.S., Chang, W.S. & Li, C.W. (2013). Synergistic effects of chromium(VI) reduction/EDTA oxidization for PCB wastewater by photocatalysis combining ionic exchange membrane processes. Desalin. Wat. Treat. 51 (1-3), 495-502. DOI: 10.1080/19443994.2012.693651. 10.1080/19443994.2012.693651]Search in Google Scholar
[20 . Nogueira, C.A. & Delmas, F. (1999). New fl owsheet for the recovery of cadmium, cobalt and nickel from spent Ni-Cd batteries by solvent extraction. Hydrometallurgy 52 (3), 267-287. DOI: 10.1016/S0304-386X(99)00026-2. 10.1016/S0304-386X(99)00026-2]Search in Google Scholar
[21 . Li, N.N. (1988). Liquid Membrane - Past, Present and Future. Abstr. Pap. Am. Chem. S 195 51-IEC. ]Search in Google Scholar
[22 . May, S.W. & Li, N.N. (1972). The immobilization of urease using liquid-surfactant membranes. Biochem. Bioph. Res. Commun. 47 (5), 1179-85. DO I: 10.1016/0006-291X(72)90959-X.10.1016/0006-291X(72)90959-X]Search in Google Scholar
[23. Asher, W.J., Bovee, K.C., Frankenfeld, J.W., Hamilton, R.W., Henderson, L.W., Holtzapple, P.G. & Li, N.N. (1975). Liquid membrane system directed toward chronic uremia. Kid. Inter. Supp., (3), 409-12. DOI: 1057717. ]Search in Google Scholar
[24 . Alguacil, F.J. & Villegas, M.A. (2002). Liquid membranes and the treatment of metal-bearing wastewaters. Rev Metal Madrid. 38 (1), 45-55. DOI: 10.3989/revmetalm.2002.v38.i1.383 10.3989/revmetalm.2002.v38.i1.383]Search in Google Scholar
[25 . de Gyves, J. & Rodríguez de San Miguel, E. (1999). Metal Ion Separations by Supported Liquid Membranes. Industrial & Engineering Chemistry Research 38 (6), 2182-2202. DOI: 10.1021/ie980374p. 10.1021/ie980374p]Search in Google Scholar
[26 . Kumbasar, R.A. (2008). Selective separation of chromium (VI) from acidic solutions containing various metal ions through emulsion liquid membrane using trioctylamine as extractant. Sep. Purif. Technol. 64 (1), 56-62. DOI: 10.1016/j. seppur.2008.08.005. ]Search in Google Scholar
[27 . Sonmez, E., Sonmez, F., Kumbasar, R.A. & Eyupoglu, V. (2012). Synergistic and selective extraction of Cd2+ from acidic solution containing Cd2+, Co2+, Ni2+ by triisooctylamine (TIOA) and tributyl phosphate (TBP). J. Industr. Engineer. Chem. 18 (4), 1286-1292. DOI: 10.1016/j.jiec.2012.01.025. 10.1016/j.jiec.2012.01.025]Search in Google Scholar
[28 . Alguacil, F.J. (2002). Facilitated transport and separation of manganese and cobalt by a supported liquid membrane using DP-8R as a mobile carrier. Hydrometallurgy 65 (1), 9-14. 10.1016/S0304-386X(02)00059-2]Search in Google Scholar
[29 . Kumbasar, R.A. & Tutkun, O. (2004). Separation and concentration of gallium from acidic leach solutions containing various metal ions by emulsion type of liquid membranes using TOPO as mobile carrier. Hydrometallurgy 75 (1-4), 111-121. DOI: 10.1016/j.hydromet.2004.07.009. 10.1016/j.hydromet.2004.07.009]Search in Google Scholar
[30 . Chaudry, M.A., Malik, M.T. & Ali, A. (1990). Transport of Co(II) Ions through Di(2-Ethylhexyl) Phosphoric Acid-Ccl4 Supported Liquid Membranes. Separ. Sci. Technol. 25 (11-12), 1161-1174. DOI: 10.1080/01496399008051845. 10.1080/01496399008051845]Search in Google Scholar
[31 . Chiarizia, R. (1991). Stability of supported liquid membranes containing longchain aliphatic amines as carriers. J. Membr. Sci. 55 (1-2), 65-77. DOI: 10.1016/S0376-7388(00)82327-3. 10.1016/S0376-7388(00)82327-3]Search in Google Scholar
[32 . Eyupoglu, V. & Tutkun, O. (2011). The Extraction of Cr(VI) by a Flat Sheet Supported Liquid Membrane Using Alamine 336 as a Carrier. Arab. J. Sci. Eng. 36 (4), 529-539. DOI: 10.1007/s13369-011-0057-5. 10.1007/s13369-011-0057-5]Search in Google Scholar
[33 . Surucu, A., Eyupoglu, V. & Tutkun, O. (2012). Selective separation of cobalt and nickel by fl at sheet supported liquid membrane using Alamine 300 as carrier. J. Ind. Eng. Chem. 18 (2), 629-634. DOI: 10.1016/j.jiec.2011.11.019. 10.1016/j.jiec.2011.11.019]Search in Google Scholar
[34 . Ali Kumbasar, R. (2009). Extraction of chromium (VI) from multicomponent acidic solutions by emulsion liquid membranes using TOPO as extractant. J. Hazard. Mater. 167 (1-3), 1141-1147. DOI: 10.1016/j.jhazmat.2009.01.113. 10.1016/j.jhazmat.2009.01.113]Search in Google Scholar
[35 . Gogia, S.K., Singh, D., Singh, O.V. & Tandon, S.N. (1987). Study on the Synergistic Extraction of Cobalt(Ii) with Lower Fatty-Acids in the Presence of Heterocyclic Amines and Some Metal-Ion Separations. Talanta 34 (3), 303-306. DOI: 10.1016/0039-9140(87)80036-X. 10.1016/0039-9140(87)80036-X]Search in Google Scholar
[36 . Ramakul, P., Supajaroon, T., Prapasawat, T., Pancharoen, U. & Lothongkum, A.W. (2009). Synergistic separation of yttrium ions in lanthanide series from rare earths mixture via hollow fi ber supported liquid membrane. J. Indust. Engineer. Chem. 15 (2), 224-228. DOI: 10.1016/j.jiec.2008.09.011. 10.1016/j.jiec.2008.09.011]Search in Google Scholar
[37 . Zhu, Z., Zhang, W., Pranolo, Y. & Cheng, C.Y. (2012). Separation and recovery of copper, nickel, cobalt and zinc in chloride solutions by synergistic solvent extraction. Hydrometallurgy 127-128, 1-7. DOI: 10.1016/j.hydromet.2012.07.001. 10.1016/j.hydromet.2012.07.001]Search in Google Scholar
[38 . Campderros, M.E. & Marchese, J. (2001). Transport of niobium(V) through a TBP-Alamine 336 supported liquid membrane from chloride solutions. Hydrometallurgy 61 (2), 89-95. DOI: 10.1016/S0304-386X(01)00165-7. 10.1016/S0304-386X(01)00165-7]Search in Google Scholar
[39 . Gaikwad, A.G. (2004). Synergetic transport of europium through a contained supported liquid membrane using trioctylamine and tributyl phosphate as carriers. Talanta 63 (4), 917-926. DOI: 10.1016/j.talanta.2003.12.041. 10.1016/j.talanta.2003.12.04118969518]Search in Google Scholar
[40 . Zidi, C., Tayeb, R. & Dhahbi, M. (2011). Extraction of phenol from aqueous solutions by means of supported liquid membrane (MLS) containing tri-n-octyl phosphine oxide (TOPO). J. Hazard. Mater. 194 62-68. DOI: 10.1016/j. jhazmat.2011.07.071. ]Search in Google Scholar
[41 . Y. Marcus, A.S.K. (1969). Ion Exchange and Solvent extraction of Metal Complexes. Interscience: New York. DOI: 10.1126/science.166.3911.1391-a. 10.1126/science.166.3911.1391-a]Search in Google Scholar