Abdel-Ghani, N. T., Hefny, M. M. & EL-Chaghaby, G. A., 2008, "Removal of metal ions from synthetic wastewater by adsorption onto eucalyptus camaldulenis tree leaves", J. Chil. Chem. Soc., 53(3),1585-1587.
Afkhami, A., Saber-Tehrani, M. & Bagheri, H., 2010, "Simultaneous removal of heavy metal ions in wastewater samples using nano-alumina modified with 2,4- dinitrophenylhydrazine", Journal of Hazardous Materials, 181, 836-844.
Ajmal, M., 2003, "Adsorption studies on rice husk: Removal and recovery of Cd(II) from wastewater", Bioresource Technology, 86, 147-149.
Cheng, Q., Qu, F., Li, N.B. & Luo, H.Q., 2012, "Mixed hemimicelles solid-phase extraction of chlorophenols in environmental water samples with 1-hexadecyl-3-methylimidazolium bromide-coated Fe3O4 magnetic nanoparticles with high-performance liquid chromatographic analysis", Anal. Chim. Acta., 715, 113-119.
Deliyanni, E. A., Peleka, E.N. & Matis,. K. A., 2007, "Removal of zinc ion from water by sorption onto iron-based nanoadsorbent", Journal of Hazardous Materials, 141, 176-184.
Duan, J., Liu, R., Chen, T., Zhang, B. & Liu, J., 2012, "Halloysite nanotube-Fe3O4 composite for removal of methyl violet from aqueous solutions", Desalination, 293, 46-52.
El-Shafey, E., Cox, M., Pichugin, A. A. & Appleton, Q., 2002, "Application of a carbon sorbent for the removal of cadmium and other heavy metal ions from aqueous solution", Journal of Chemical Technology & Biotechnology, 77, 429-436.
Emadi, M., Shams, E. & Amini, M. K., 2013, "Removal of zinc from aqueous solutions by magnetite silica core-shell nanoparticles", Journal of Chemistry, 2013, 10.
Faraji, M., Yamini, Y. & Rezaee, M., 2010, "Magnetic nanoparticles: Synthesis, stabilization, functionalization, characterization, and applications", J. Iran. Chem. Soc. 7, 1-37.
Ho, Y.S., Wase, D.A.J. & Forster, C.F., 1996, "Kinetic studies of competitive heavy metal adsorption by sphagnum moss peat", Journal of Environmental Technology, 17, 71-77.
Jafarzadeh Haghighi Fard, N., Mengelizadeh, N. & Hormozinejad, M., 2012, "The use of chitin shrimp shells for the biosorption of zinc from aqueous solutions", Journal of Water and Wastewater, 25 (1), 53-62.
(In Persian)
Katal, R., 2011, "Applications of polypyrrole to remove heavy metals (chromium, zinc) and remove the nitrate in water", MSc Thesis, Tarbiat Modares University, Tehran, Iran. (In Persian)
Kumar, Y.P.,
King, P. &
Prasad, V.S.R.K., 2006, "Removal of copper from aqueous solution using Ulva fasciata sp. A marine green algae",
Journal of Hazardous Materials, 137, 367-373.
Kalavathy, H.,
Karthik , B. & Miranda, L.R., 2010, "Removal and recovery of Ni and Zn from aqueous solution using activated carbon from Hevea brasiliensis: Batch and column studies",
Colloids Surf., B.,78, 291-302.
Kandah, M.I., 2004, "Zinc and cadmium adsorption on low-grade phosphate", Sep. Purif. Technol., 35, 61-70.
Kaya, A. & Oren, A.H., 2005, "Adsorption of zinc from aqueous solutions to bentonite", Journal of Hazardous Materials,125(1), 183-189.
Kumar, S., Nair, R.R., Pillai, P.B., Gupta, S., Iyengar, M. & Sood, A., 2014, "Graphene Oxide–MnFe2O4 magnetic nanohybrids for efficient removal of lead and arsenic from water", ACS Appl. Mater. Interfaces, 6, 17426-17436.
Larson, V. J. & Schierup, H. H., 1981, "The use of straw for removal of metals from wastewater", Journal of Environment, 10, 188-193.
Lin, Q., Li, Y. & Yang, M., 2012, "Tin oxide/rapheme composite fabricated via a hydrothermal method for gas sensors working at room temperature", Sens. Act., B Chem., 173 139-147.
Liu, Y., Jiang, X., Li, B., Zhang, X., Liu, T., Yan, X., et al., 2014, "
Halloysite nanotubes reduced graphene oxide composite for removal of dyes from water and as supercapacitors",
Journal of Mater. Chem. A., 2, 4264-4269.
Lu, A.H., Salabs, E.L., & Schuth, F., 2007, "Magnetic nanoparticles: Synthesis, protection, functionalization, and application", Angew. Chem. Int. Ed., 46, 1222-1244.
Mack, C. B.W., Duncan, J.R. & Burgess, J.E., 2007, "Biosorption of precious metals", Biotechnol. Adv., 25, 264-271.
Naiya, T. K., Bhattacharya, A. K. & Das, S. K., 2009, "Adsorption of Cd(II) and Pb(II) from aqueous solutions on activated alumina", Journal of Colloid Interface Science, 333, 14-26.
Pan, B.C., Zhang, Q. R., Zhang, W. M., Pana, P. J., Dua, W., Lv, L., et al., 2007, "Highly effective removal of heavy metals by polymer-based Zirconiumphosphate: A case study of lead ion", Journal of Colloid Interface Science, 310, 99-105.
Parvizi Moaed, H., Ardakani, S. & Ardakani, A., 2012, "Removal of heavy metals Cr(VI) ,Zn(II) from waste by rice husk", Journal of Natural Environment, 65(3), 327-315.
Pashzanusi, M., Raesi, M. & Kord, B., 2010, "The ability to remove metal ions from wastewater using trees leaves", J. Scien. Technol. Nat. Resour., 3.
Sahu, R.C., Patel, R. & Ray, B.C., 2011, "Adsorption of Zn(II) on activated red mud: Neutralized by CO
2",
Desalination, 266, 93-97.
Sen, T.K. & Gomez, D., 2011, "Adsorption of zinc from aqueous solution on natural bentonite", Desalination, 267(2), 286-294.
Shamohammadi, Sh., 2012, "Study of kinetics of copper in aquenous by sawdust adsorbent", Journal of Water and Wastewater., 23 (2), 127-133. (In Persian)
Shirsath, D. S. & Shirivastava, V.S., 2015, "Adsorptive removal of heavy metals by magnetic nanoadsorbent: An equilibrium and thermodynamic study", Appl. Nanosci., 5, 927-935.
Staudenmaier, L., 1898, "Method for the preparation of graphitic acid", Ber. Dtsch. Chem. Ges., 31, 1481.
Tehseen Aman, A.A.K., Usman Sabri, M. & Bano, Q., 2008, "Potato peels as solid waste for the removal of heavy metal copper (II) from waste water/industrial effluent", Colloids Surf., B., 63, 116-121.
Uzun, I. & Guzel, F., 2000, "Adsorption of some heavy metal ions from aqueous solution by activated carbon and comparison of percent adsorption results of activated carbon with those of some other adsorbents", Turkish Journal of Chemistry, 24, 291-297.
Wasewar, K.L., 2010, "Adsorption of metals onto tea factory waste: A review", IJRRAS, 3, 303-322.
Xing, W., Ni, L., Huo, P., Lu, Z., Liu, X., Luo, Y. & Yan, Y., 2012, "Preparation high photocatalytic activity of CdS/halloysite nanotubes (HNTs) nanocomposites with hydrothermal method", Appl. Surf. Sci. 259, 698-794.
Yang, S., Zong, P., Hu, J., Sheng, G., Wang, Q. & Wang, X., 2013, "Fabrication of β-cyclodextrin conjugated magnetic HNT/iron oxide composite for high-efficient decontamination of U(VI)", Journal of Chemical Engineering, 214, 376-385.
Zavar Mousavi, S.H. & Lotfi, Z., 2013, "Removal of nickel and cadmium from aqueous solution by modified magnetic nanoparticles", Journal of Water and Wastewater., 26(1), 2-11. (In Persian)
Zeng, S., Gan, N., Mera, R.W., Cao, Y., Li, T. & Sang, W., 2013, "Enrichment of polychlorinated biphenyl 28 from aqueous solutions using Fe3O4 grafted rapheme oxide", Journal of Chemical Engineering, 218, 108-115.