References

  1. P.S. Keng, S.L. Lee, S.T. Ha, Y.T. Hung, S.T. Ong, Removal of hazardous heavy metals from aqueous environment by low-cost adsorption materials, Environ. Chem. Lett., 12 (2014) 15–25.
  2. A. Sarı, G. Sahinoglu, M. Tuzen, Antimony (III) adsorption from aqueous solution using raw perlite and Mn-modified perlite: equilibrium, thermodynamic, and kinetic studies, Ind. Eng. Chem. Res., 51 (2012) 6877–6886.
  3. M.H. Dehghani, D. Sanaei, I. Ali, A. Bhatnagar, Removal of chromium (VI) from aqueous solution using treated waste newspaper as a low-cost adsorbent: kinetic modeling and isotherm studies, J. Mol. Liq., 215 (2016) 671–679.
  4. Q. Jinghong, D. Shihua, W. Haibo, C. Xu, D. Zongliang, Adsorption performance of low-cost gelatin-montmorillonite nano composite for Cr( III ) ions, RSC Adv., 5 (2015) 58284–58291.
  5. X. Xuebing, C. Po-Hsiang, L. Guocheng, J. Wei-Teh, J. Jiin-Shuh, L. Libing, L. Zhaohui, Ionic-liquid-crafted zeolite for the removal of anionic dye methyl orange, J. Taiwan Inst. Chem. E., 59 (2016) 237–243.
  6. R. Huang, B. Yang, Q. Liu, Y. Liu, Simultaneous adsorption of aniline and Cr(VI) ion by activated carbon/chitosan composite, J. Appl. Polym. Sci., 131 (2014) 1001–1007.
  7. D. Park, Y.S. Yun, J.Y. Kim, J.M. Park, How to study Cr (VI) biosorption: Use of fermentation waste for detoxifying Cr (VI) in aqueous solution, Chem. Eng. J., 136 (2008) 173–179.
  8. D. Petruzzelli, R. Passino, G. Tiravanti, Ion exchange process for chromium removal and recovery from tannery wastes, Water Sci. Technol., 36 (1995) 197–207.
  9. S. Rengaraj, K.H. Yeon, S.H. Moon, Removal of chromium from water and wastewater by ion exchange resins, J. Hazard. Mater., 87 (2001) 273–287.
  10. C.A. Kozlowski, W. Walkowiak, Removal of chromium (VI) from aqueous solutions by polymer inclusion membranes, Water Res., 36 (2002) 4870–4876.
  11. F. Akbal, S. Camcı, Copper, chromium and nickel removal from metal plating wastewater by electro coagulation, Desalination, 269 (2011) 214–222.
  12. W. Yaoguang, H. Lihua, Z. Guangya, Y. Tao, Y. Liangguo, W. Qin, D. Bin, Removal of Pb(II) and methylene blue from aqueous solution by magnetic hydroxyapatite-immobilized oxidized multi-walled carbon nano tubes, J. Colloid Interface Sci., 494 (2017) 380–388.
  13. L. Wuhui, H. Tsuyoshi, S. Keiko, Optimization of hexadecylpyridinium- modified montmorillonite for removal of perchlorate based on adsorption mechanisms, Appl. Surf. Sci., 123 (2016) 29–36.
  14. K.U. Mohammad, A review on the adsorption of heavy metals by clay minerals, with special focus on the past decade, Chem. Eng. J., 308 (2017) 438–462.
  15. S.A. Boyd, G.Y. Sheng, B.J. Teppen, C.T. Johnston, Mechanisms for the adsorption of substituted nitrobenzenes by smectite clays, Environ. Sci. Technol., 35 (2001) 4227–4234.
  16. W.F. Jaynes, S.A. Boyd, Hydrophobicity of siloxane surfaces in smectites as revealed by aromatic hydrocarbon adsorption from water, Clays Clay Miner., 39 (1991) 428–436.
  17. S.T. Akar, Y. Yetimoglu, T. Gedikbey, Removal of chromium (VI) ions from aqueous solutions by using Turkish montmorillonite clay: effect of activation and modification, Desalination, 244 (2009) 97–108.
  18. A.S.K. Kumar, R. Ramachandran, S. Kalidhasan, V. Rajesh, N. Rajesh, Potential application of dodecylamine modified sodium montmorillonite as an effective adsorbent for hexavalent chromium, Chem. Eng. J., 211–212 (2012) 396–405.
  19. W. Guifang, H. Yuyan, S. Xin, S. Komarneni, M. Shaojian, W. Yujue, Cr(VI) adsorption by montmorillonite nano composites, Appl. Clay Sci., 125 (2016) 111–118.
  20. H. Bingjie, L. Hanjin, Adsorption of hexavalent chromium onto montmorillonite modified with hydroxyaluminum and cetyltrimethyl ammonium bromide, Appl. Surf. Sci., 257 (2010) 769–775.
  21. B. Avinash, M. Takeshi, S. Sukhprit, S. Kenichi, S. Hideki, A. Masahiko, Structural diversity, physico chemical properties and application of imidazolium surfactants: Recent advances, Adv. Colloid Interface Sci., 231 (2016) 36–58.
  22. R. Sadeghi, R. Golabiazar, Study of salt effects on the aggregation behavior of ionic liquid1-dodecyl-3-methylimidazolium bromide in aqueous solution, J. Mol. Liq., 197 (2014) 176–183.
  23. A. Cognigni, P. Gaertner, R. Zirbs, H. Peterlik, K. Prochazka, C. Schröder, K. Bica, Surface-active ionic liquids in micellar catalysis: Impact of anion selection on reaction rates in nucleophilic substitutions, Phys. Chem. Chem. Phys., 18 (2016) 13375–13384.
  24. S.M. Urahata, M.C.C. Ribeiro, Structure of ionic liquids of 1-alkyl-3-methyl-imidazolium cations: A systematic computer simulation study, J. Chem. Phys., 120 (2004) 1855–1863.
  25. G. Zheng, G. Manglai, L. Zhongxin, L. Laifu, Y. Yage, L. Yuening, Bis-pyridinium dibromides modified organo-bentonite for the removal of aniline from wastewater: a positive role of polar interaction, Appl. Clay Sci., 29 (2014) 107–115.
  26. C. Daimei, C. Jian, L. Xinlong, J. Haipeng, X. Zhiguo, Characterization of anion-cationic surfactants modified montmorillonite and its application for the removal of methyl orange, Chem. Eng. J., 171 (2011) 1150–1158.
  27. B. Makhoukhi, D. Villemin, M.A. Didi, Preparation, characterization and thermal stability of bentonite modified with bis-imidazolium salts, Mater. Chem. Phys., 138 (2013) 199–203.
  28. I.A. Lawal, B. Moodley, Synthesis, characterisation and application of imidazolium based ionic liquid modified montmorillonite sorbents for the removal of amaranth dye, RSC Adv., 5 (2015) 61913–61924.
  29. R. Guégan, M. Giovanela, F. Warmont, M. Motelica-Heino, Nonionic organoclay: A ‘Swiss Army knife’ for the adsorption of organic micro-pollutants, J. Colloid Interface Sci., 437 (2015) 71–79.
  30. Z. Li, W.T. Jiang, P.H. Chang, G. Lv, S. Xu, Modification of a Ca-montmorillonite with ionic liquids and its application for chromate removal, J. Hazard. Mater., 270 (2014)169–175.
  31. G. Uyar, H. Kaygusuz, F.B. Erim, Methylene blue removal by alginate-clay quasi-cryogel beads, React. Funct. Polym., 106 (2016) 1–7.
  32. Y.Q. Liang, H. Li, A comparison of trimeric surfactant intercalated montmorillonite with its gemini modified one: characterization and application in methyl orange removal, J. Mol. Liq., 227 (2017) 139–146.
  33. Z. Sen, Y. Jian, X. Xiaodong, Y. Liangguo, W. Qin, D. Bin, Adsorptive removal of Cr(VI) from aqueous solution onto different kinds of modified bentonites, Environ. Prog. Sustain., 34 (2014) 39–46.