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Original Articles

Ionic Liquids as Extracting Agents for Heavy Metals

&
Pages 189-203 | Received 25 Jun 2011, Accepted 26 Aug 2011, Published online: 03 Feb 2012

REFERENCES

  • Wang , L.K. ; Chen , Y.-T. ; Hung , N. ; Shammas , K. ( 2009 ) Heavy Metals in the Environment ; CRC Press, Taylor & Francis Group : Boca Raton , FL .
  • Blacksmith Institute (USA), Green Cross (Swiss) ( 2008 ). The World's Worst Pollution Problems: The Top Ten of the Toxic Twenty ; www.worstpolluted.org .
  • Directive 2000/60/EC of the European Parliament and of the Council establishing a framework for the Community action in the field of water policy. Water Frame Directive, FWD, (2000).
  • U.S. EPA, Federal Register ( 1998 ). National Recommended Water Quality Criteria . 63 : 68354 .
  • Kentish , S.E. ; Stevens , G.W. ( 2001 ) Innovations in separations technology for the recycling and re-use of liquid waste steams . Chem. Eng. J. , 84 : 149 .
  • Steward , F.A. ; McLay , W.J. ; Reinhard , F.P. ( 1999 ) Waste minimization and recovery technologies . Metal Finishing , 97 : 823 .
  • Fu , F. ; Wang , Q. ( 2011 ) Removal of heavy metal ions from wastewaters: A review . J. Environ. Manage. , 92 : 407 .
  • Basha , C.A. ; Bhadrinarayana , N.S. ; Anantharaman , N. ; Meera Sheriffa Begum , K.M. ( 2008 ) Heavy metal removal from copper smelting effluent using electrochemical cylindrical flow reactor . J. Hazard. Mater. , 152 : 71 .
  • Battistoni , P. ; Cola , E. ; Fatone , F. ; Bolzonella , D. ; Eusebi , A.L. ( 2007 ) Micropollutants removal and operating strategies in ultrafiltration membrane systems for municipal wastewater treatment: Preliminary results . Ind. Eng. Chem. Res. , 46 : 6716 .
  • Tabakci , M. ; Memon , S. ; Yilmaz , M. ( 2007 ) Synthesis and extraction properties of new “proton-switchable” tri- and tetra-substituted calyx[4]arene derivates bearing pyridinium units . Tetrahedron , 63 : 6861 .
  • Papadopoulos , A. ; Fatta , D. ; Parperis , K. ; Mentzis , A. ; Haralambous , K. ; Loizidou , M. ( 2004 ) Nickel uptake from wastewater strema produced in a metal finishing industry by combination of ion-exchange and precipitation methods . Sep. Purif. Technol. , 39 : 181 .
  • Eccles , H. ( 1999 ) Treatment of metal-contaminated wastes: Why selected biological processes? Trends Biotechnol. , 17 : 462 .
  • Fujii , K. ; Nonaka , T. ; Akimoto , Y. ; Umebayashi , Y. ; Ishiguro , S. ( 2008 ) Solvation structures of some transition metal(II) ions in room-temperature ionic liquid, 1-ethyl-3-methylimidazolium bis(trifluoromethanesulfonyl)amide . Anal. Sci. , 24 ( 10 ): 1377 .
  • Umebayashi , Y. ; Yamaguchi , T. ; Fukuda , S. ; Mitsugi , T. ; Takeuchi , M. ; Fujii , K. ; Ishiguro , S. ( 2008 ) Raman spectroscopic study of alkaline metal ion salvation in 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)amide ionic liquid . Anal. Sci. , 24 ( 10 ): 1297 .
  • Zuo , Y. ; Liu , Y. ; Chen , J. ; Li , D.Q. ( 2008 ) The separation of cerium(IV) from nitric acid solutions containing thorium(IV) and lanthanides(III) using pure [C8mim]PF6 as extracting phase . Ind. Eng. Chem. Res. , 47 ( 7 ): 2349 .
  • Kozonoi , N. ; Ikeda , Y. ( 2007 ) Extraction mechanism of metal ion from aqueous solution to the hydrophobic ionic liquid, 1-butyl-3-methylmidazolium nonafluorobutanesulfonate . Monats. Chem. , 138 ( 11 ): 1145 .
  • Germani , R. ; Mancini , M.V. ; Savelli , G. ; Spreti , N. ( 2007 ) Mercury extraction by ionic liquids: Temperature and chain length effect . Tetrahedron Lett. , 48 ( 10 ): 1767 .
  • de los Ríos , A.P. ; Hernández-Fernández , F.J. ; Lozano , L.J. ; Sánchez , S. ; Moreno , J.I. ; Godínez , C. ( 2010 ) Removal of metal ions from aqueous solutions by extraction with ionic liquids . J. Chem. Eng. Data , 55 ( 2 ): 605 .
  • Williams , D.B. ; Stoll , M.E. ; Scott , B.L. ; Costa , D.A. ; Oldham , W.J. ( 2005 ) Coordination chemistry of the bis(trifluoromethylsulfonyl)imide anion: molecular interactions in room temperature ionic liquids . Chem. Commun. , ( 11 ): 1438 .
  • Dhumal , N.R. ; Damodaran , K. ( 2009 ) Molecular interactions and normal vibrations of Fe-bis(trifluoromethanesulfonyl)imide and 1-ethyl-3-methylimidazolium-Fe-bis(trifluoromethanesulfonyl)imide ionic liquids: A density functional study . J. Mol. Struc.–Theochem. , 96 ( 1–3 ): 78 .
  • Swatloski , R.P. ; Holbrey , J.D. ; Rogers , R.D. (2003) Ionic liquids are not always green: Hydrolysis of 1-butyl-3-methylimidazolium hexafluorophosphate. Green Chem. , 5 (4): 361.
  • Seeley , F.G. ; Crouse , D.J. ( 1966 ) Extraction of metals from chloride solutions with amines . J. Chem. Eng. Data , 11 ( 3 ): 424 .
  • El-Wakil , A.M. ; Farag , A.B. ; Ez-Eldin , A.K. ( 1982 ) Liquid-liquid extraction of iron(III), cobalt(II), nickel(II) and cadmium(II) from aqueous halide media with Aliquat 336 . Fresen. Z. Anal. Chem. , 311 ( 5 ): 522 .
  • Hoh , Y.C. ; Chuang , W.S. ; Yueh , P.S. ( 1985 ) The extraction of platinum from platinum(II) chloride solution by a quaternary ammonium compound . J. Chem. Technol. Biotechnol., Chem. Technol. , 35A ( 1 ): 41 .
  • De Mendonça Fábrega , F. ; Borges Mansur , M. ( 2007 ) Liquid-liquid extraction of mercury(II) from hydrochloric acid solutions by Aliquat 336 . Hydrometallurgy , 87 ( 3–4 ): 83 .
  • Lee , J.-Y. ; Kumar , R.J. ; Kim , J.-S. ; Kim , D.-J. ; Yoon , H.-S. ( 2009 ) Extraction and separation of Pt(IV)/Rh(III) from acidic chloride solutions using Aliquat 336 . J. Ind. Eng. Chem. , 15 ( 3 ): 359 .
  • Nayl , A.A. ( 2010 ) Extraction and separation of Co(II) and Ni(II) from acidic sulfate solutions using Aliquat 336 . J. Hazard. Mater. , 173 ( 1–3 ): 223 .
  • Atanassova , M. ; Dukov , I.L. ( 2004 ) Synergistic solvent extraction and separation of trivalent lanthanide metals with mixtures of 4-benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one and Aliquat 336 . Sep. Purif. Technol. , 40 ( 2 ): 171 .
  • El-Nadi , Y.A. ; Daoud , J.A. ; Aly , H.F. ( 2005 ) Modified leaching and extraction of uranium from hydrous oxide cake of Egyptian monazite . Inter. J. Miner. Process. , 76 ( 1–2 ): 101 .
  • Ali , A.M.I. ; El-Nadi , Y.A. ; Daoud , J.A. ; Aly , H.F. ( 2007 ) Recovery of thorium (IV) from leached monazite solutions using counter-current extraction . Inter. J. Miner. Process. , 81 ( 4 ): 217 .
  • Regel-Rosocka , M. ( 2009 ) Extractive removal of zinc(II) from chloride liquors with phosphonium ionic liquids/toluene mixtures as novel extractants . Sep. Purif. Technol. , 66 ( 1 ): 19 .
  • Cieszyńska , A. ; Regel-Rosocka , M. ; Wiśniewski , M. ( 2007 ) Extraction of palladium(II) ions from chloride solutions with phosphonium ionic liquid Cyphos® IL 101 . Pol. J. Chem. Technol. , 9 ( 2 ): 99 .
  • Alguacil , F.J. ; Alonso , M. ; Lopez , F.A. ; Lopez-Delgado , A. ( 2010 ) Pseudo-emulsion membrane strip dispersion (PEMSD) pertraction of chromium(VI) using Cyphos IL 101 ionic liquid as carrier . Environ. Sci. Technol. , 157 ( 2–3 ): 366 .
  • Kogelnig , D. ; Stojanovic , A. ; Jirsa , F. ; Körner , W. ; Krachler , R. ; Keppler , B.K. ( 2010 ) Transport and separation of iron(III) from nickel(II) with the ionic liquid trihexyl(tetradecyl)phosphonium chloride . Sep. Purif. Technol. , 72 ( 1 ): 56 .
  • Pham , T.P.T. ; Cho , C.-W. ; Yun , Y.-S. ( 2010 ) Environmental fate and toxicity of ionic liquids: A review . Water Res. , 44 ( 2 ): 352 .
  • Frade , R.F.M. ; Afonso , C.A.M. ( 2010 ) Impact of ionic liquids in environment and humans: An overview . Hum. Exp. Toxicol. , doi: 10.1177/0960327110371259 .
  • Sun , X.Q. ; Peng , B. ; Chen , J. ; Li , D.Q. ; Luo , F. ( 2008 ) An effective method for enhancing metal ion selectivity of ionic liquid-based extraction system: Adding water-soluble complexing agent . Talanta , 74 ( 4 ): 1071 .
  • Wei , G.-T. ; Yang , Z. ; Chen , C.-J. ( 2003 ) Room temperature ionic liquid as novel medium for liquid/liquid extraction of metal ions . Anal. Chim. Acta , 488 ( 2 ): 183 .
  • Lertlapwasin , R. ; Bhawawet , N. ; Imyim , A. ; Fuangswasdi , S. ( 2010 ) Ionic liquid extraction of heavy metal ions by 2-aminothiophenol in 1-butyl-3-methylimidazolium hexafluorophosphate and their association constants . Sep. Purif. Technol. , 72 ( 1 ): 70 .
  • Ajioka , T. ; Oshima , S. ; Hirayama , N. ( 2008 ) Use of 8-sulfonamidoquinoline derivates as chelate extraction reagents in ionic liquid extraction systems . Talanta , 74 ( 4 ): 903 .
  • Dietz , M.L. ; Stepinski , D.C. ( 2008 ) Anion concentration dependent partitioning mechanism in the extraction of uranium into room temperature ionic liquids . Talanta , 75 ( 2 ): 598 .
  • Dietz , M.L. ; Dzielawa , J.A. ( 2001 ) Ion-exchange as a mode of cation transfer into room-temperature ionic liquids containing crown ethers: Implications for the “greenness” of ionic liquids as diluents in liquid-liquid extraction . Chem. Commun. , ( 20 ): 2124 .
  • Dietz , M.L. ; Jakab , S. ; Yamato , K. ; Bartsch , R.A. ( 2008 ) Stereochemical effects on the mode of facilitated ion transfer into room-temperature ionic liquids . Green Chem. , 10 ( 2 ): 174 .
  • Kidani , K. ; Hirayama , N. ; Imura , H. ( 2008 ) Extraction behavior of divalent metal cations in ionic liquid chelate extraction systems using 1-alkyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imides and theonyltrifluoroacetone . Anal. Sci. , 24 ( 10 ): 1251 .
  • Stepinski , D.C. ; Jensen , M.P. ; Dzielawa , J.A. ; Dietz , M.L. ( 2005 ) Synergetic effects in the facilitated transfer of metal ions into room-temperature ionic liquids . Green Chem. , 7 ( 3 ): 151 .
  • Shimojo , K. ; Goto , M. ( 2004 ) Solvent extraction and stripping of silver ions in room temperature ionic liquids containing calixarenes . Anal. Chem. , 76 ( 17 ): 5039 .
  • Visser , A.E. ; Swatloski , R.P. ; Griffin , S.T. ; Hartman , D.H. ; Rogers , R.D. ( 2001 ) Liquid/liquid extraction of metal ions in room temperature ionic liquids . Sep. Sci. Technol. , 36 ( 5–6 ): 785 .
  • Domanska , U. ; Rekawek , A. ( 2009 ) Extraction of metal ions from aqueous solutions using imidazolium based ionic liquids . J. Solution Chem. , 38 ( 6 ): 739 .
  • Dietz , M.L. ( 2006 ) onic liquids as extraction solvents: Where do we stand? Sep. Sci. Technol. , 41 ( 10 ): 2047 .
  • Shen , Y.L. ; Tan , X.W. ; Wang , L. ; Wu , W.S. ( 2011 ) Extraction of the uranyl ion from the aqueous phase into an ionic liquid by diglycolamide . Sep. Purif. Technol. , 78 ( 3 ): 298 .
  • Jensen , M.P. ; Neuefeind , J. ; Beitz , J.V. ; Skanthakumar , S.; Soderholm L. ( 2003 ) Mechanism of metal ion transfer into room-temperature ionic liquids: The role of anion exchange . J. Am. Chem. Soc , 125 : 15466 .
  • Hirayama , N. ; Deguchi , M. ; Kawasumi , H. ; Honjo , T. ( 2005 ) Use of 1-alkyl-3-methylimidazolium hexafluorophosphate room temperature ionic liquids as chelate extraction solvent with 4,4,4-trifluoro-1-(2-thienyl)-1,3-butanedione . Talanta , 65 ( 1 ): 255 .
  • Popov , K. ; Vendilo , A. ; Pletnev , I. ; Lajunen , M. ; Rönkkömäki , H. ; Lajunen , L.H.J. ( 2011 ) Formation of Complexes in RTIL and Ion Separations . In: Ionic Liquids: Theory, Properties, New Approaches ; Kokorin , A. ed.; InTech : Rijeka , Croatia .
  • Srncik , M. ; Kogelnig , D. ; Stojanovic , A. ; Körner , W. ; Krachler , R. ; Wallner , G. ( 2009 ) Uranium extraction from aqueous solution by ionic liquids . Appl. Radiat. Isotopes , 67 ( 12 ): 2146 – 2149 .
  • Lee , S. ( 2006 ) Functionalized imidazolium salts for task-specific ionic liquids and their applications . Chem. Commun. , ( 10 ): 1049 .
  • Visser , A.E. ; Swatloski , R.P. ; Reichert , W.M. ; Mayton , R. ; Sheff , S. ; Wierzbicki , A. ; Davis , J.H.Jr. ; Rogers , R.D. ( 2001 ) Task-specific ionic liquids for the extraction of metal ions from aqueous solutions . Chem. Commun. , ( 01 ): 135 .
  • Visser , A.E. ; Swatloski , R.P. ; Reichert , W.M. ; Mayton , R. ; Sheff , S. ; Wierzbicki , A. ; Davis , J.H.Jr. ; Rogers , R.D. ( 2002 ) Task-specific ionic liquids incorporating novel cations for the coordination and extraction of Hg2 + and Cd2+: Synthesis, characterization and extraction studies . Environ.l Sci. Technol. , 36 ( 11 ): 2523 .
  • Kogelnig , D. ; Stojanovic , A. ; Galanski , M. ; Groessl , M. ; Jirsa , F. ; Krachler , R. ; Keppler , B.K. ( 2008 ) Greener synthesis of new ammonium ionic liquids and their potential as extracting agents . Tetrahedron Lett. , 49 ( 17 ): 2782 .
  • Stojanovic , A. ; Kogelnig , D. ; Fischer , L. ; Hann , S. ; Galanski , M. ; Grössl , M. ; Krachler , R. ; Keppler , B.K. (2010) Phosphonium and ammonium ionic liquids with aromatic anions: Synthesis, properties, and platinum extraction. Aust. J. Chem. , 63 (3): 511.
  • Ouadi , A. ; Klimchuk , O. ; Gaillard , C. ; Billard , I. ( 2007 ) Solvent extraction of U(IV) by task-specific ionic liquids bearing phosphoryl group . Green Chem. , 9 ( 11 ): 1160 .
  • Dubreuil , J.F. ; Famelart , M.-H. ; Bazureau , J.P. ( 2002 ) Ecofriendly fast synthesis of hydrophilic poly(ethylenglycol)-ionic liquid matrices for liquid-phase organic synthesis . Org. Process. Res. Dev. , 6 : 374 .
  • Papaiconomou , N. ; Lee , J.-M. ; Salminen , J.; v. Stosch , M. ; Prausnitz , J.M. ( 2008 ) Selective extraction of copper, mercury, silver and palladium ions from water using hydrophobic ionic liquids . J. Chem. Eng. Data , 47 ( 15 ): 5080 .
  • Harjani , J.R. ; Friščiċ , T. ; MacGillivray , L.R. ; Singer , R.D. ( 2006 ) Metal chelate formation using task-specific ionic liquids . Inorg. Chem. , 45 ( 25 ): 10025 .
  • Harjani , J.R. ; Friščiċ , T. ; MacGillivray , L.R. ; Singer , R.D. ( 2008 ) Removal of metal ions from aqueous solutions using chelating task-specific ionic liquids . Dalton Trans. , ( 34 ): 4595 .
  • Naik , P.U. ; McManus , G.J. ; Zaworotko , M.J. ; Singer , R.D. ( 2008 ) Salicylaldoxime and selen containing imidazolium ionic liquids for biphasic catalysis and metal extractions . Dalton Trans. , ( 36 ): 4834 .
  • Binnemans , K. ; Nockemann , P. ; Thijs , B. ; Pittois , S. ; Thoen , J. ; Glorieux , C. ; Van Hecke , K. ; Van Meervelt , L. ; Kirchner , B. ( 2006 ) Task-specific ionic liquid for solubilizing metal oxides . J. Phys. Chem. B , 110 ( 42 ): 20978 .
  • Nockemann , P. ; Thijs , B. ; Parac-Vogt , T.N. ; Van Hecke , K. ; Van Meervelt , L. ; Tinant , B. ; Hartenbach , I. ; Schleid , T. ; Ngan , V.T. ; Nguyen , M.T. ; Binnemans , K. ( 2008 ) Carboxyl-functionalized task-specific ionic liquids for solubilizing metal oxides . Inorg. Chem. , 47 ( 21 ): 9987 .
  • Nockemann , P. ; Thijs , B. ; Van Hecke , K. ; Van Meervelt , L. ; Binnemans , K. ( 2008 ) Polynuclear metal complexes obtained from the task-specific ionic liquid betainium bistriflimide . Cryst. Growth Des. , 8 ( 4 ): 1353 .
  • Kalb , R.S. ; Krachler , R. ; Keppler , B.K. ( 2006 ) Determination of heavy metal polluted process water, waste water and filter cake with high performance. Chemical Industry and Environment V, Volume I, W. Höflinger (Ed.), EMChIE, Vienna, Austria.
  • Egorov , V.M. ; Djigailo , D.I. ; Momotenko , D.S. ; Chernyshov , D.V. ; Torocheshnikova , I.I. ; Smirnova , S.V. ; Pletnev , I.V. ( 2010 ) Task-specific ionic liquid trioctylmethylammonium salicylate as extraction solvent for transition metal ions . Talanta , 80 ( 3 ): 1177 .
  • Rajendran , A. ; Ragupathy , D. ; Priyadarshini , M. ; Magesh , A. ; Jaishankar , P. ; Madhavan , N.S. ; Sajitha , K. ; Balaji , S. ( 2011 ) Effective extraction of heavy metals from their effluents using some potential ionic liquids as green chemicals . E.-J. Chem. , 8 ( 2 ): 697 .
  • Fischer , L. ; Falta , T. ; Koellemsperger , G. ; Stojanovic , A. ; Kogelnig , D. ; Galanski , M. ; Krachler , R. ; Keppler , B.K. ; Hann , S. ( 2011 ) Ionic liquids for extraction of metals and metal containing compounds from communal and industrial waste water . Water Re. , doi: 10.1061/j.watres.2011.06.011
  • Rickelton , W.A. ; Flett , D.S. ; West , D.W. ( 1984 ) Cobalt-nickel separation by solvent extraction with bis(2,4,4 trimethylpentyl)phosphinic acid . Solvent Extr. Ion Exc. , 2 ( 6 ): 815 .
  • Danesi , P.R. ; Reichley-Yinger , L. ; Mason , G. ; Kaplan , L. ; Horwitz , E.P. ; Diamond , H. ( 1985 ) Selectivity-structure trends in the extraction of cobalt(II) and nickel(II) by dialkyl phosphoric, alkyl alkylphosphonic, and dialkylphosphinic acids . Solvent Extr. Ion Exc. , 3 ( 4 ): 135 .
  • Rickelton , W.A. ; Robertson , A.J. ( 1982 ) US Patent 4 353 883
  • Robertson , A.J. ( 1983 ) Process for the preparation of highly purified, dialkyl phosphinic acids. US 4 374 780, WO/2006/047545A2
  • Sun , X. ; Ji , Y. ; Zhang , L. ; Chen , J. ; Li , D. ( 2010 ) Separation of cobalt and nickel using inner synergistic extraction from bifunctional ionic liquid extractant (Bif-ILE) . J. Hazard. Mater. , 181 ( 1–3 ): 447 .
  • Wang , W. ; Yang , H. ; Cui , H. ; Zhang , D. ; Liu , Y. ; Chen , J. ( 2011 ) Application of bifunctional ionic liquid extractants [A336][CA-12] and [A336][CA-100] to the lanthanum extraction and separation from rare earths in the chloride medium . Ind. Eng. Chem. Res. , 50 ( 12 ): 7534 .
  • Liu , Y. ; Zhu , L. ; Sun , X. ; Chen , L. ( 2010 ) Toward greener separations of rare earths: bifunctional ionic liquid extractants in biodiesel . AIChE J. , 56 ( 9 ): 2338 .
  • Gabelman , A. ; Hwang , S.-T. ( 1999 ) Hollow fiber membrane contactors . J. Membrane Sci. , 159 ( 1–2 ): 61 .
  • de Agreda , D. ; Garcia-Diaz , I. ; Lopez , F.A. ; Alguacil , F.J. ( 2011 ) Supported liquid membranes technologies in metals removal from liquid effluents . Rev. Metal. , 47 ( 2 ): 146 .
  • Fontàs , C. ; Palet , C. ; Salvado , V. ; Hidalgo , M. ( 2000 ) A hollow fiber supported liquid membrane based on Aliquat 336 as a carrier for rhodium(III) transport and preconcentration . J. Membrane Sci. , 178 ( 1–2 ): 131 .
  • Güell , R. ; Antico , E. ; Salvado , V. ; Fontàs , C. ( 2008 ) Efficient hollow fiber supported liquidmembrane system for the removal and preconcentration of Cr(VI) at trace levels . Sep. Purifi. Technol. , 62 ( 2 ): 389 .
  • Kao , H.-C. ; Juang , R.-S. ( 2005 ) Kinetic analysis of non-dispersive solvent extraction of concentrated Co(II) from chloride solutions with Aliquat 336: Significance of the knowledge of reaction equilibrium . J. Membrane Sci. , 264 ( 1–2 ): 104 .
  • Pancharoen , U. ; Poonkum , W. ; Lothongkum , A.W. ( 2009 ) Treatment of arsenic ions from produced water through hollow fiber supported liquid membrane . J. Alloys Comp. , 482 ( 1–2 ): 328 .
  • Myasoedova , G.V. ; Molochnikova , N.P. ; Mokhodoeva , O.B. ; Myasoedov , B.F. ( 2008 ) Application of ionic liquids for solid-phase extraction of trace elements . Anal. Sci. , 24 ( 10 ): 1351 .
  • Nghiem , L.D. ; Mornane , P. ; Potter , I.D. ; Perera , J.M. ; Cattrall , R.W. ; Kolev , S.D. ( 2006 ) Extraction and transport of metal ions and small organic compounds using polymer inclusion membranes (PIMs) . J. Membrane Sci. , 281 ( 1–2 ): 7 .
  • Rahman , M. ; Shoff , H.W. ; Brazel , C.S. ( 2005 ) Ionic Liquids as Alternative Plasticizers for Poly(vinyl chloride): Flexibility and Stability in Thermal, Leaching, and UV Environments . In Ionic Liquids in Polymer Systems ; Brazel , C.S. ; Rogers , R.D. eds.; American Chemical Society , 103 – 118 .
  • Argiropoulos , G. ; Cattrall , R.W. ; Hamilton , I.C. ; Kolev , S.D. ; Paimin , R. ( 1998 ) The study of a membrane for extracting gold(III) from hydrochloric acid solutions . J. Membrane Sci. , 138 ( 2 ): 279 .
  • Wang , L. ; Paimin , R. ; Cattrall , R.W. ; Shen , W. ; Kolev , S.D. ( 2000 ) The extraction of cadmium(II) and copper(II) from hydrochloric acid solutions using an Aliquat 336/PVC membrane . J. Membrane Sci. , 176 ( 1 ): 105 .
  • Blitz-Raith , A.H. ; Paimin , R. ; Cattrall , R.W. ; Kolev , S.D. ( 2007 ) Separation of cobalt(II) from nickel(II) by solid-phase extraction into Aliquat 336 chloride immobilized in poly(vinyl chloride) . Talanta , 71 ( 1 ): 419 .
  • Kolev , S.D. ; Sakai , Y. ; Cattrall , R.W. ; Paimin , R. ; Potter , I.D. ( 2000 ) Theoretical and experimental study of palladium(II) extraction from hydrochloric acid solutions into Aliquat 336/PVC membranes . Anal. Chim. Acta , 413 ( 1–2 ): 241 .
  • Juang , R.S. ; Kao , H.-C. ; Wu , W.-H. ( 2004 ) Analysis of liquid membrane extraction of binary Zn(II) and Cd(II) from chloride media with Aliquat 336 based on thermodynamic equilibrium models . J. Membrane Sci. , 228 ( 2 ): 169 .
  • Kogelnig , D. ; Regelsberger , A. ; Stojanovic , A. ; Jirsa , F. ; Krachler , R. ; Keppler , B.K. ( 2011 ) A polymer inclusion membrane based on the ionic liquid trihexyl(tetradecyl)phosphonium chloride and PVC for solid–liquid extraction of Zn(II) from hydrochloric acid solution . Monatsh. Chem. , doi: DOI 10.1007/s00706-011-0530-6
  • Guo , L. ; Liu , Y. ; Zhang , C. ; Chen , J. (2011) Preparation of PVDF-based polymer inclusion membrane using ionic liquid plasticizer and Cyphos IL 104 carrier for Cr(VI) transport. J. Membrane Sci. , 372 (1–2): 314.
  • Liu , Y.H. ; Guo , L. ; Zhu , L.L. ; Sun , X.Q. ; Chen , J. ( 2010 ) Removal of Cr(III, VI) by quaternary ammonium and quaternary phosphonium ionic liquids functionalized silica materials . Chem. Eng. J. , 158 ( 2 ): 108 .
  • Chen , J. ; Zhu , L. ; Liu , Y. ( 2009 ) Synthesis of n-methylimidazolium functionalized strongly basic anion exchange resins for adsorption of Cr(VI) . Ind. Eng. Chem. Res. , 48 ( 7 ): 3261 .
  • Yang , W.W. ; Luo , G.S. ; Gong , X.C. ( 2005 ) Extraction and separation of metal ions by a column packed with polystyrene microcapsules containing Aliquat 336 . Sep. Purif. Technol. , 43 ( 2 ): 175 .
  • Guibal , E. ; Vincent , T. ; Jouannin , C. ( 2009 ) Immobilization of extractants in biopolymer capsules for the synthesis of new resins: A focus on the encapsulation of tetraalkyl phosphonium ionic liquids . J. Mater. Chem. , 19 ( 45 ): 8515 .
  • Mahmoud , M.E. ; Al-Bishri , H.M. ( 2011 ) Supported hydrophobic ionic liquid on nano-silica for adsorption of lead . Chem. Eng. J. , 166 ( 1 ): 157 .

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