1. G. Crini, Recent developments in polysaccharide-based materials used as adsorbents in wastewater treatment, Prog. Polym. Sci., 30 (2005) 38–70.
  2. W.J. Weber Jr., P.M. McGinley, L.E. Katz, Sorption phenomena in subsurface systems: concepts, models and effects on contaminant fate and transport, Water Res., 25 (1991) 499–528.
  3. N. Bektaş, S. Kara, Removal of lead from aqueous solutions by natural clinoptilolite: equilibrium and kinetic studies, Sep. Purif. Technol., 39 (2004) 189–200.
  4. L. Lian, L.P. Guo, C.J. Guo, Adsorption of Congo red from aqueous solutions onto Ca-bentonite, J. Hazard. Mater., 161 (2009) 126–131.
  5. S.T. Akar, R. Uysal, Untreated clay with high adsorption capacity for effective removal of C.I. Acid Red 88 from aqueous solutions: batch and dynamic flow mode studies, Chem. Eng. J., 162 (2010) 591–598.
  6. L.A. Rodrigues, L.J. Maschio, R.E. da Silva, M.L.C.P. da Silva, Adsorption of Cr(VI) from aqueous solution by hydrous zirconium oxide, J. Hazard. Mater., 173 (2010) 630–636.
  7. M.D. Stoller, S.Y. Park, Y.W. Zhu, J.H. An, R.S. Ruoff, Graphenebased ultracapacitors, Nano Lett., 8 (2008) 3498–3502.
  8. Z. Jin, D. Nackashi, W. Lu, C. Kittrell, J.M. Tour, Decoration, migration, and aggregation of palladium nanoparticles on graphene sheets, Chem. Mater., 22 (2010) 5695–5699.
  9. S. Bai, X.P. Shen, G.X. Zhu, A.H. Yuan, J. Zhang, Z.Y. Ji, D.Z. Qiu, The influence of wrinkling in reduced graphene oxide on their adsorption and catalytic properties, Carbon, 60 (2013) 157–168.
  10. R. Dubey, J. Bajpai, A.K. Bajpai, Green synthesis of graphene sand composite (GSC) as novel adsorbent for efficient removal of Cr (VI) ions from aqueous solution, J. Water Process Eng., 5 (2015) 83–94.
  11. X.K. Wang, C.L. Chen, W.P. Hu, A.P. Ding, D.S. Xu, X.P. Zhou, Sorption of 243Am(III) to multiwall carbon nanotubes, Environ. Sci. Technol., 39 (2005) 2856–2860.
  12. J. Deng, Y.S. Shao, N.Y. Gao, Y. Deng, C.Q. Tan, S.Q. Zhou, X.H. Hu, Multiwalled carbon nanotubes as adsorbents for removal of herbicide diuron from aqueous solution, Chem. Eng. J., 193 (2012) 339–347.
  13. Y.S. Fu, H.Q. Chen, X.Q. Sun, X. Wang, Combination of cobalt ferrite and graphene: high-performance and recyclable visiblelight photocatalysis, Appl. Catal., B, 111 (2012) 280–287.
  14. M.J. McAllister, J.-L. Li, D.H. Adamson, H.C. Schniepp, A.A. Abdala, J. Liu, M. Herrera-Alonso, D.L. Milius, R. Car, R.K. Prud’homme, I.A. Aksay, Single sheet functionalized graphene by oxidation and thermal expansion of graphite, Chem. Mater., 19 (2007) 4396–4404.
  15. H. Xia, D.D. Zhu, Y.S. Fu, X. Wang, CoFe2O4-graphene nanocomposite as a high-capacity anode material for lithiumion batteries, Electrochim. Acta, 83 (2012) 166–174.
  16. C.X. Guo, H.B. Yang, Z.M. Sheng, Z.S. Lu, Q.L. Song, C.M. Li, Layered graphene/quantum dots for photovoltaic devices, Angew. Chem. Int. Ed., 49 (2010) 3014–3017.
  17. H.L. Wang, H.S. Casalongue, Y.Y. Liang, H.J. Dai, Ni(OH)2 nanoplates grown on graphene as advanced electrochemical pseudocapacitor materials, J. Am. Chem. Soc., 132 (2010) 7472–7477.
  18. Q. Song, Z.J. Zhang, Shape control and associated magnetic properties of spinel cobalt ferrite nanocrystals, J. Am. Chem. Soc., 126 (2004) 6164–6168.
  19. B. Baruwati, M.N. Nadagouda, R.S. Varma, Bulk synthesis of monodisperse ferrite nanoparticles at water-organic interfaces under conventional and microwave hydrothermal treatment and their surface functionalization, J. Phys. Chem. C, 112 (2008) 18399–18404.
  20. Y. Kinemuchi, K. Ishizaka, H. Suematsu, W.H. Jiang, K.S. Yatsui, Magnetic properties of nanosize NiFe2O4 particles synthesized by pulsed wire discharge, Thin Solid Films, 407 (2002) 109–113.
  21. H.Y. Guo, T.F. Jiao, Q.R. Zhang, W.F. Guo, Q.M. Peng, X.H. Yan, Preparation of graphene oxide-based hydrogels as efficient dye adsorbents for wastewater treatment, Nanoscale Res. Lett., 10 (2015) 272.
  22. C. Wang, C. Feng, Y.J. Gao, X.X. Ma, Q.H. Wu, Z. Wang, Preparation of a graphene-based magnetic nanocomposite for the removal of an organic dye from aqueous solution, Chem. Eng. J., 173 (2011) 92–97.
  23. J.N. Tiwari, K. Mahesh, N.H. Le, K.C. Kemp, R. Timilsina, R.N. Tiwari, K.S. Kim, Reduced graphene oxide-based hydrogels for the efficient capture of dye pollutants from aqueous solutions, Carbon, 56 (2013) 173–182.
  24. X.M. Wang, M.X. Lu, H. Wang, Y.F. Pei, H.H. Rao, X.Z. Du, Three-dimensional graphene aerogels–mesoporous silica frameworks for superior adsorption capability of phenols, Sep. Purif. Technol., 53 (2015) 7–13.
  25. K. Lu, G.X. Zhao, X.K. Wang, A brief review of graphenebased material synthesis and its application in environmental pollution management, Chin. Sci. Bull., 57 (2012) 1223–1234.
  26. J.F. Wang, T. Tsuzuki, B. Tang, X.L. Hou, L. Sun, X.G. Wang, Reduced graphene oxide/ZnO composite: reusable adsorbent for pollutant management, ACS Appl. Mater. Interfaces, 4 (2012) 3084–3090.
  27. G.Q. Xie, P.X. Xi, H.Y. Liu, F.J. Chen, L. Huang, Y.J. Shi, F.P. Hou, Z.Z. Zeng, C.W. Shao, J. Wang, A facile chemical method to produce superparamagnetic graphene oxide–Fe3O4 hybrid composite and its application in the removal of dyes from aqueous solution, J. Mater. Chem., 22 (2012) 1033–1039.
  28. W.S. Hummers Jr., R.E. Offeman, Preparation of graphitic oxide, J. Am. Chem. Soc., 80 (1958) 1339–1339.
  29. D.C. Marcano, D.V. Kosynkin, J.M. Berlin, A. Sinitskii, Z.Z. Sun, A. Slesarev, L.B. Alemany, W. Lu, J.M. Tour, Improved synthesis of graphene oxide, ACS Nano, 4 (2010) 4806–4814.
  30. D. Caruntu, Y. Remond, N.H. Chou, M.-J. Jun, G. Caruntu, J.B. He, G. Goloverda, C. O’Connor, V. Kolesnichenko, Reactivity of 3d transition metal cations in diethylene glycol solutions. Synthesis of transition metal ferrites with the structure of discrete nanoparticles complexed with long-chain carboxylate anions, Inorg. Chem., 41 (2002) 6137–6146.
  31. S. Bai, X.P. Shen, X. Zhong, Y. Liu, G.X. Zhu, X. Xu, K.M. Chen, One-pot solvothermal preparation of magnetic reduced graphene oxide-ferrite hybrids for organic dye removal, Carbon, 50 (2012) 2337–2346.
  32. B.D. Cullity, S.R. Stock, Elements of X-ray diffraction, 3rd ed., Prentice-Hall, New York, 2001.
  33. G.D. Chen, M. Sun, Q. Wei, Y.F. Zhang, B.C. Zhu, B. Du, Ag3PO4/graphene-oxide composite with remarkably enhanced visible light-driven photocatalytic activity toward dyes in water, J. Hazard. Mater., 244 (2013) 86–93.
  34. L.C.A. Oliveira, R.V.R.A. Rios, J.D. Fabris, V. Garg, K. Sapag, R.M. Lago, Activated carbon/iron oxide magnetic composites for the adsorption of contaminants in water, Carbon, 40 (2002) 2177–2183.
  35. A.S. Özcan, B. Erdem, A. Özcan, Adsorption of Acid Blue 193 from aqueous solutions onto Na–bentonite and DTMA– bentonite, J. Colloid Interface Sci., 280 (2004) 44–54.
  36. F. Ferrero, Dye removal by low cost adsorbents: hazelnut shells in comparison with wood sawdust, J. Hazard. Mater., 142 (2007) 144–152.
  37. I.M. Lipatova, L.I. Makarova, A.A. Yusova, Adsorption removal of anionic dyes from aqueous solutions by chitosan nanoparticles deposited on the fibrous carrier, Chemosphere, 212 (2018) 1155–1162.
  38. K.G. Bhattacharyya, S. Sen Gupta, Adsorption of Co(II) from aqueous medium on natural and acid activated kaolinite and montmorillonite, Sep. Sci. Technol., 42 (2007) 3391–3418.
  39. N.A. Oladoja, A.K. Akinlabi, Congo red biosorption on palm kernel seed coat, Ind. Eng. Chem. Res., 48 (2009) 6188–6196.
  40. A. Shukla, Y.-H. Zhang, P. Dubey, J.L. Margrave, S.S. Shukla, The role of sawdust in the removal of unwanted materials from water, J. Hazard. Mater., 95 (2002) 137–152.
  41. S. Sen Gupta, K.G. Bhattacharyya, Removal of Cd(II) from aqueous solution by kaolinite, montmorillonite and their poly(oxo zirconium) and tetrabutylammonium derivatives, J. Hazard. Mater. B, 128 (2006) 247–257.
  42. S. Lagergren, Zurtheorie der sogenannten adsorption gel osterstoffe, Kungliga Svenska Vetenskaps akademiens Handlingar, 24 (1898) 1–39.
  43. Y.S. Ho, G. McKay, Kinetic models for the sorption of dye from aqueous solution by wood, Process Saf. Environ. Prot., 76 (1998) 183–191.
  44. Y.S. Ho, G. McKay, Pseudo-second-order model for sorption processes, Process Biochem., 34 (1999) 451–465.
  45. S.H. Chien, W.R. Clayton, Application of Elovich equation to the kinetics of phosphate release and sorption in soils, Soil Sci. Soc. Am. J., 44 (1980) 265–268.
  46. W.J. Weber, J.C. Morris, Kinetics of adsorption on carbon from solution, J. Sanitary Eng. Div., 89 (1963) 31–60.
  47. M. Alkan, Ö. Demirbaş, M. Doğan, Adsorption kinetics and thermodynamics of an anionic dye onto sepiolite, Microporous Mesoporous Mater., 101 (2007) 388–396.
  48. G.E. Boyd, A.W. Adamson, L.S. Myers Jr., The exchange adsorption of ions from aqueous solutions by organic zeolites. II. Kinetics, J. Am. Chem. Soc., 69 (1947) 2836–2848.
  49. I. Langmuir, The Constitution and fundamental properties of solids and liquids. Part I. Solids, J. Am. Chem. Soc., 38 (1916) 2221–2295.
  50. H. Freundlich, Uber die adsorption in losungen [Adsorption in solution], Z. Physikalische Chemie, 57 (1906) 385–471.
  51. D.G. Kinniburgh, General purpose adsorption isotherms, Environ. Sci. Technol., 20 (1986) 895–904.
  52. T.T. Chao, M.E. Harward, S.C. Fang, Adsorption and desorption phenomena of sulfate ions in soils, Soil Sci. Soc. Am. Proc., 26 (1962) 234–237.
  53. M.I. Temkin, Kinetics of ammonia synthesis on promoted iron catalysts, Acta Phys. Chim. Sin. URSS, 12 (1940) 327–356.
  54. C.C. Travis, E.L. Etnier, A survey of sorption relationships for reactive solutes in soil, J. Environ. Qual., 10 (1981) 8–17.
  55. O. Redlich, D.L. Peterson, A useful adsorption isotherm, J. Phys. Chem., 63 (1959) 1024–1024.
  56. N.D. Hutson, R.T. Yang, Theoretical basis for the Dubinin– Radushkevitch (D-R) adsorption isotherm equation, Adsorption, 3 (1997) 189–195.
  57. S. Aksoyoglu, Sorption of U(VI) on granite, J. Radioanal. Nucl. Chem. Art., 134 (1989) 393–403.
  58. Y.S. Ho, G. McKay, Sorption of dye from aqueous solution by peat, Chem. Eng. J., 70 (1998) 115–124.
  59. K. Badii, F.D. Ardejani, M.A. Saberi, N.Y. Limaee, S. Zia-edin Shafaei, Adsorption of Acid blue 25 dye on diatomite in aqueous solutions, Indian J. Chem. Technol., 17 (2010) 7–16.
  60. I.A.W. Tan, A.L. Ahmad, B.H. Hameed, Adsorption isotherms, kinetics, thermodynamics and desorption studies of 2,4,6-trichlorophenol on oil palm empty fruit bunch-based activated carbon, J. Hazard. Mater., 164 (2009) 473–482.