1. A.A. El-Bindary, M.A.A. El-Kawi, A.M. Hafez, I.G.A. Rashed, E.E. Aboelnaga, Removal of reactive blue 19 from aqueous solution using rice straw fly ash, J. Mater. Environ. Sci., 7 (2016) 1023–1036.
  2. S.A. Carmalin, C.E. Lima, Removal of emerging contaminants from the environment by adsorption, Ecotoxicol. Environ. Saf., 150 (2018) 1–17.
  3. S.W. Liao, C.I. Lin, L.H. Wang, Kinetic study on lead (II) ion removal by adsorption onto peanut hull ash, J. Taiwan Inst. Chem. Eng., 42 (2011) 166–172.
  4. L. Mouni, D. Merabet, A. Bouzaza, L. Belkhiri, Adsorption of Pb (II) from aqueous solutions using activated carbon developed from apricot stone, Desalination, 276 (2011) 148–153.
  5. T.S. Anirudhan, S.S. Sreekumari, Adsorptive removal of heavy metal ions from industrial effluents using activated carbon derived from waste coconut buttons, J. Environ. Sci., 23 (2011) 1989–1998.
  6. T. Depci, A.R. Kul, Y. Onal, Competitive adsorption of lead and zinc from aqueous solution on activated carbon prepared from van apple pulp: study in single- and multi-solute systems, Chem. Eng. J., 200–202 (2012) 224–236.
  7. C. Saka, BET, TG-DTG, FT-IR, SEM, iodine number analysis and preparation of activated carbon from acorn shell by chemical activation with ZnCl2, J. Anal. Appl. Pyrolysis, 95 (2012) 21–24.
  8. J.K. Bediako, S. Kim, W. Wei, Y.S. Yun, Adsorptive separation of Pb(II) and Cu(II) from aqueous solutions using as-prepared carboxymethylated waste Lyocell fiber, Int. J. Environ. Sci. Technol., 13 (2016) 875–886.
  9. H. Çelebi, O. Gök, Use of AQIS for adsorption of Pb2+ from aqueous solution, Sigma J. Eng. Nat. Sci., 35 (2017) 69–75.
  10. Agency for Toxic Substances and Disease Registry (ATSDR), Division of Toxicology and Human Health Science, Lead, 2007, Available at:, [Accessed 24-March-2018].
  11. S.P. Boeykens, A. Saralegui, N. Caracciolo, M.N. Piol, Agroindustrial waste for lead and chromium biosorption, J. Sustainable Dev. Energy, Water Environ. Syst., 6 (2018) 341–350.
  12. H. Ali, E. Khan, M.A. Sajad, Phytoremediation of heavy metalsconcepts and applications, Chemosphere, 91 (2013) 869–881.
  13. K.L. Wasewar, P. Kumar, S. Chand, B.N. Padmini, T.T. Teng, Adsorption of cadmium ions from aqueous solution using granular activated carbon and activated clay, Clean-Soil Air Water, 38 (2010) 649–656.
  14. M.H.S. Ghazi, N. Modirshahla, M.A. Behnajady, B. Vahid, Adsorption of C.I. Acid Red 97 dye from aqueous solution onto walnut shell: kinetics, thermodynamics parameters, isotherms, Int. J. Environ. Sci. Technol., 12 (2015) 1401–1408.
  15. G.Z. Kyzas, Z. Terzopoulou, V. Nikolaidis, E. Alexopoulou, D.N. Bikiaris, Low-cost hemp biomaterials for nickel ions removal from aqueous solutions, J. Mol. Liq., 209 (2015) 209–218.
  16. E. Heraldy, W.W. Lestari, D. Permatasori, D.D. Arimurti, Biosorbent from tomato waste and apple juice residue for lead removal, J. Environ. Chem. Eng., 6 (2018) 1201–1208.
  17. H. Daraei, A. Mittal, M. Noorisepehr, F. Daraei, Kinetic and equilibrium studies of adsorptive removal of phenol onto eggshell waste, Environ. Sci. Pollut. Res., 20 (2013) 4603–4611.
  18. H. Wang, B. Gao, J. Fang, Y.S. Ok, Y. Xue, K. Yang, X. Cao, Engineered biochar derived from eggshell-treated biomass for removal of aqueous lead, Ecol. Eng., (2017) ,Doi: https://doi. org/10.1016/j.ecoleng.2017.06.029.
  19. P.S. Guru, S. Dash, Sorption on eggshell waste-a review on ultrastructure: biomineralization and other applications, Adv. Colloid Interface Sci., 209 (2014) 49–67.
  20. M. Ahmad, Y. Hashimoto, D.H. Moon, S.S. Lee, Y.S. Ok, Immobilization of lead in a Korean military shooting range soil using eggshell waste: an integrated mechanistic approach, J. Hazard. Mater., 209–210 (2012) 392–401.
  21. Y.A. Almaroai, A.R.A. Usman, M. Ahmad, D.H. Moon, J.S. Cho, Y.K. Joo, C. Jeon, S.S. Lee, Y. Ok, Effects of biochar, cow bone, and eggshell on Pb availability to maize in contaminated soil irrigated with saline water, Environ. Earth Sci., 71 (2014) 1289–1296.
  22. A. Zahir Hussain, K.M. Mohamed Sheriff, Removal of heavy metals from wastewater using low cost adsorbents, Arch. Appl. Sci. Res., 6 (2014) 52–54.
  23. H. Çelebi, O. Gök, Evaluation of lead adsorption kinetics and isotherms from aqueous solution using natural walnut shell, Int. J. Environ. Res., 11 (2017) 83–90.
  24. O.A. Oyeleke, Outline of Food Analysis, ABU Press, Nigeria, 1984, p. 79.
  25. A.O.A.C., Official Methods of Analysis, 18th ed., Association of Analytical Chemists, Washington DC, 2005.
  26. N.Y. Al-Awwal, U.L. Ali, Proximate analyses of different samples of egg shells obtained from Sokoto Market in Nigeria, Int. J. Sci. Res., 4 (2015) 564–566.
  27. L.P. Ramteke, P.R. Gogate, Treatment of water containing heavy metals using a novel approach of immobilized modified sludge biomass based adsorbents, Sep. Purif. Technol., 163 (2016) 215–227.
  28. O. Gök, Ö. Çimen Mesutoğlu, Olive pomace as low-cost adsorbent for the removal heavy metals, J. Faculty Eng. Archit. Gazi Univ., 32 (2017) 507–516.
  29. S.K. Bozbaş, Y. Boz, Low-cost biosorbent: Anadara inaequivalvis shells for removal of Pb(II) and Cu(II) from aqueous solution, Process Saf., 103 (2016) 144–152.
  30. Ihsanullah, F.A. Al-Khaldi, B. Abu-Sharkh, A.M. Abulkibash, M.I. Qureshi, T. Laoui, M.A. Atieh, Effect of acid modification on adsorption of hexavalent chromium (Cr(VI)) from aqueous solution by activated carbon and carbon nanotubes, Desal. Wat. Treat., 3994 (2015) 1–13.
  31. D. Zhao, X. Gao, C. Wu, R. Xie, S. Feng, C. Chen, Facile preparation of amino functionalized graphene oxide decorated with Fe3O4 nanoparticles for the adsorption of Cr(VI), Appl. Surf. Sci., 384 (2016) 1–9.
  32. M. Ahmad, K. Manzoor, P. Venkatachalam, S. Ikram, Kinetic and thermodynamic evaluation of adsorption of Cu (II) by thiosemicarbazide chitosan, Int. J. Biol. Macromol., 92 (2016) 910–919.
  33. A.I.A. Sherlala, A.A.A. Raman, M.M. Bello, A. Asghar, A review of the applications of organo-functionalized magnetic graphene oxide nanocomposites for heavy metal adsorption, Chemosphere, 193 (2018) 1004–1017.
  34. A. Almasi, M. Omidi, M. Khodadadian, R. Khamutian, M.B. Gholivand, Lead (II) and cadmium (II) removal from aqueous solution using processed walnut shell: kinetic and equilibrium study, Toxicol. Environ. Chem., 94 (2012) 660–671.
  35. R. Wolfova, E. Pertile, P. Fecko, Removal of lead from aqueous solution by walnut shell, J. Environ. Chem. Ecotoxicol., 5 (2013) 159–167.
  36. L. Massimi, A. Giuliano, M.L. Astolfi, R. Congedo, A. Masotti, S. Canepari, Efficiency evaluation of food waste materials for the removal of metals and metalloids from complex multielement solutions, Materials, 11 (2018) 1–15.
  37. L. Han, L. Qian, R. Liu, M. Chen, J. Yan, Q. Hu, Lead adsorption by biochar under the elevated competition of cadmium and aluminum, Sci. Rep., 7 (2017) 1–11.
  38. P.S. Kumar, S. Ramalingam, S.D. Kirupha, A. Murugesan, T. Vidhyadevi, S. Sivanesan, Adsorption behavior of nickel (II) onto cashew nut shell: equilibrium, thermodynamics, kinetics, mechanism and process design, Chem. Eng. J., 167 (2011) 122–131.
  39. A. Kaur, S. Sharma, Removal of heavy metals from waste water by using various adsorbents – a review, Indian J. Sci. Technol., 10 (2017) 1–14.
  40. S. Mopoung, P. Moonsri, W. Palas, S. Khumpai, Characterization and properties of activated carbon prepared from tamarind seeds by KOH activation for Fe(III) adsorption from aqueous solution, Sci. World J., 2015 (2015) 1–9.
  41. M.N. Freire, J.N.F. Holanda, Characterization of avian eggshell waste aiming its use in a ceramic wall tile paste, Cerâmica, 52 (2006) 240–244.
  42. A.S.M. Bashir, Y. Manusamy, Characterization of raw eggshell powder (ESP) as a good bio-filler, J. Eng. Res. Technol., 2 (2015) 56–60.
  43. S.C. Onwubu, Using Eggshell for the Development of a Quality Alternative Material to Pumice in Reducing the Surface Roughness of Heat-Cured Acrylic Resins, MSc Thesis, 2016, pp. 23–24.
  44. G. Kashi, On the analysis of phenol removal from drinking water by batch reactor using powdered eggshell, Biosci. Biotechnol. Res. Comm., 10 (2017) 287–296.
  45. C.O. Ijagbemi, M.H. Baek, D.S. Kim, Montmorillonite surface properties and sorption characteristics for heavy metal removal from aqueous solutions, J. Hazard. Mater., 166 (2009) 538–546.
  46. E. Pehlivan, T. Altun, S. Cetin, M. Iqbal Bhanger, Pb (II) sorption by waste biomass of hazelnut and almond shell, J. Hazard. Mater., 167 (2009) 1203–1208.
  47. S. Taşar, F. Kaya, A. Ozer, Biosorption of lead (II) ions from aqueous solution by peanut shells: equilibrium, thermodynamic and kinetic studies, J. Environ. Chem. Eng., 2 (2014) 1018–1026.
  48. M. Ghaedi, H. Mazaheri, S. Khodadoust, S. Hajati, M.K. Purkait, Application of central composite design for simultaneous removal of methylene blue and Pb2+ ions by walnut wood activated carbon, Spectrochim. Acta, Part A, 135 (2015) 479–490.
  49. N. Azouaou, M. Belmedani, H. Mokaddem, Z. Sadaoui, Adsorption of Pb from aqueous solution onto untreated orange barks, Chem. Eng. Trans., 32 (2013) 55–60.
  50. Z. Abbasi, M. Alikarami, E.R. Nezhad, F. Moradi, V. Moradi, Adsorptive removal of Co2+ and Ni2+ by peels of banana from aqueous solution, Univers. J. Chem., 1 (2013) 90–95.
  51. N.S.M. Tahiruddin, S.Z.A. Rahman, Adsorption of lead in aqueous solution by a mixture of activated charcoal and peanut shell, World J. Sci. Technol. Res., 1 (2013) 102–109.
  52. M. Najafi, Y. Yousefi, A.A. Rafati, Synthesis, characterization and adsorption studies of several heavy metal ions on aminofunctionalized silica nano hollow sphere and silica gel, Sep. Purif. Technol., 85 (2011) 193–205.
  53. M. Momcilovic, M. Purenovic, A. Bojic, A. Zarubica, M. Randelovic, Removal of lead (II) ions from aqueous solutions by adsorption onto pinecone activated carbon, Desalination, 276 (2011) 53–59.
  54. G. Vazquez, O. Mosquera, M.S. Freire, G. Antorrena, J. Gonzalez- Alvarez, Alkaline pre-treatment of waste chestnut shell from a food industry to enhance cadmium, copper, lead and zinc ions removal, Chem. Eng. J., 184 (2012) 147–155.
  55. A.P.A. Salvado, L.B. Campanholi, J.M. Fonseca, C.R.T. Tarley, J. Caetano, D.C. Dragunski, Lead (II) adsorption by peach palm waste, Desal. Wat. Treat., 48 (2012) 335–343.
  56. G. Blazquez, M. Calero, A. Ronda, G. Tenorio, M.A. Martın- Lara, Study of kinetics in the biosorption of lead onto native and chemically treated olive stone, J. Ind. Eng. Chem., 20 (2014) 2754–2760.
  57. K. Yetilmezsoy, S. Demirel, Artificial neural network approach for modeling of Pb (II) adsorption from aqueous solution by Antep pistachio (Pistacia vera L.) shells, J. Hazard. Mater., 153 (2008) 1288–1300.
  58. S.R. Shukla, S.P. Roshan, Removal of Pb(II) from solution using cellulose-containing materials, J. Chem. Technol. Biotechnol., 80 (2005) 176–183.
  59. G. Issabayeva, M.K. Aroua, N.M. Sulaiman, Continuous adsorption of Pb(II) ions in a column packed with palm shell activated carbon, J. Hazard. Mater., 155 (2008) 109–113.
  60. J.C.P. Vaghetti, E.C. Lima, B. Royer, B.M. da Cunha, N.F. Cardoso, Pecan nutshell as biosorbent to remove Cu(II), Mn(II) and Pb(II) from aqueous solutions, J. Hazard. Mater., 162 (2009) 270–280.
  61. M. Kazemipour, M. Ansari, S. Tajrobehkar, M. Majdzadeh, H.R. Kerman, Removal of Pb(II), cadmium, zinc, and copper from industrial wastewater by carbon developed from walnut, hazelnut, almond, pistachio shell, and apricot stone, J. Hazard. Mater., 150 (2008) 322–327.
  62. S. Janyasuthiwong, S.M. Phiri, P. Kijjanapanich, E.R. Rene, G. Esposito, P.N.L. Lens, Copper, lead and zinc removal from metal contaminated wastewater by adsorption onto agricultural wastes, Environ. Technol., 36 (2015) 3071–3083.
  63. J.M. Barbosa, C. Lopez-Velandia, A. del Pilar Maldonado, L. Giraldo, J.C. Moreno-Pirajan, Removal of lead (II) and zinc (II) ions from aqueous solutions by adsorption onto activated carbon synthesized from watermelon shell and walnut shell, Adsorption, 19 (2013) 675–685.
  64. A.K. Karunanayake, O.A. Todd, M. Crowley, L. Ricchetti, C.U. Pittman Jr, R. Anderson, D. Mohan, T. Mlsna, Lead and cadmium remediation using magnetized and nonmagnetized biochar from Douglas fir, Chem. Eng. J., 331 (2018) 480–491.