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acid grafted on chitosan/epichlorohydrin composite: Kinetics, isotherms, thermodynamics and
desorption studies. Int. J. Biol. Macromol. 123, 664–676 (2019)
13. E. Igberase, P.O. Osifo, Application of diethylenetriamine grafted on glyoxal cross-linked
chitosan composite for the effective removal of metal ions in batch system. Int. J. Biol.
Macromol. 134, 1145–1155 (2019)
14. E. Igberase, P.O. Osifo, A comparison study of the adsorption of metal ions by chitosan
derivatives in aqueous solution (2020)
15. K. Ahmad, I.A. Bhatti, M. Muneer, M. Iqbal, Z. Iqbal, Removal of heavy metals (Zn, Cr, Pb,
Cd, Cu and Fe) in aqueous media by calcium carbonate as an adsorbent. Int. J. Chem. Biochem.
Sci. 2, 48–53 (2012)
16. U. Farooq, J.A. Kozinski, M.A. Khan, M. Athar, Biosorption of heavy metal ions using wheat
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(2010)
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in a single component aqueous solution: equilibrium, kinetic, thermodynamic, and desorption
studies. Int. J. Anal. Chem. 2017 (2017)
19. M.M. Rao, G.P.C. Rao, K. Seshaiah, N.V. Choudary, M.C. Wang, Activated carbon from Ceiba
pentandra hulls, an agricultural waste, as an adsorbent in the removal of lead and zinc from
aqueous solutions. Waste Manag 28(5), 849–858 (2008)
20. S. Hao, A. Verlotta, P. Aprea, F. Pepe, D. Caputo, W. Zhu, Optimal synthesis of aminofunctionalized mesoporous silicas for the adsorption of heavy metal ions. Microporous
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22. K.J. Adarsh, D.G. Madhu, A comparative study on metal adsorption properties of different
forms of chitosan. Int. J. Innov. Res. Sci. Eng. Technol. 3(2), 9609–9617 (2014)
23. P. Suksabye, P. Thiravetyan, W. Nakbanpote, S. Chayabutra, Chromium removal from
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24. E. Igberase, P. Osifo, A. Ofomaja, Mathematical modelling of Pb 2+ , Cu 2+ , Ni 2+ , Zn 2+ , Cr 6+
and Cd 2+ ions adsorption from a synthetic acid mine drainage onto chitosan derivative in a
packed bed column. Environ. Technol. (United Kingdom) 39(24), 3203–3220 (2018)
25. L. Zhang, Y. Zeng, Z. Cheng, Removal of heavy metal ions using chitosan and modified
chitosan: a review. J. Mol. Liq. 214, 175–191 (2016)
26. T. Becker, M. Schlaak, H. Strasdeit, Adsorption of nickel(II), zinc(II) and cadmium(II) by new
chitosan derivatives. React. Funct. Polym. 44(3), 289–298 (2000)
27. R. Bassi, S.O. Prasher, B.K. Simpson, Removal of selected metal ions from aqueous solutions
using chitosan flakes. Sep. Sci. Technol. 35(4), 547–560 (2000)
28. Y.S. Ho, G. McKay, Application of kinetic models to the sorption of copper(II) on to peat.
Adsorpt. Sci. Technol. 20(8), 797–815 (2002)
29. P.O. Osifo, The use of chitosan beads for the adsorption and regeneration of heavy metals
(2007), p. 156
30. I.S. Lima, C. Airoldi, A thermodynamic investigation on chitosan-divalent cation interactions.
Thermochim. Acta 421(1–2), 133–139 (2004)
31. K. Jaafari, T. Ruiz, S. Elmaleh, J. Coma, K. Benkhouja, Simulation of a fixed bed adsorber
packed with protonated cross-linked chitosan gel beads to remove nitrate from contaminated
water. Chem. Eng. J. 99(2), 153–160 (2004)
32. K. Kurita, H. Akao, J. Yang, M. Shimojoh, Nonnatural branched polysaccharides: synthesis
and properties of chitin and chitosan having disaccharide maltose branches. Biomacromol 4(5),
1264–1268 (2003)
113
12. E. Igberase, A. Ofomaja, P.O. Osifo, Enhanced heavy metal ions adsorption by 4-aminobenzoic
acid grafted on chitosan/epichlorohydrin composite: Kinetics, isotherms, thermodynamics and
desorption studies. Int. J. Biol. Macromol. 123, 664–676 (2019)
13. E. Igberase, P.O. Osifo, Application of diethylenetriamine grafted on glyoxal cross-linked
chitosan composite for the effective removal of metal ions in batch system. Int. J. Biol.
Macromol. 134, 1145–1155 (2019)
14. E. Igberase, P.O. Osifo, A comparison study of the adsorption of metal ions by chitosan
derivatives in aqueous solution (2020)
15. K. Ahmad, I.A. Bhatti, M. Muneer, M. Iqbal, Z. Iqbal, Removal of heavy metals (Zn, Cr, Pb,
Cd, Cu and Fe) in aqueous media by calcium carbonate as an adsorbent. Int. J. Chem. Biochem.
Sci. 2, 48–53 (2012)
16. U. Farooq, J.A. Kozinski, M.A. Khan, M. Athar, Biosorption of heavy metal ions using wheat
based biosorbents—a review of the recent literature. Bioresour. Technol. 101(14), 5043–5053
(2010)
17. A. Itodo, F. Abdulrahman, L. Hassan, S. a. Maigandi, H. Itodo, Intraparticle diffusion and
intraparticulate diffusivities of herbicide on derived activated carbon. Researcher 2(2) (2010),
pp. 74–86
18. E. Igberase, P. Osifo, A. Ofomaja, The adsorption of Pb, Zn, Cu, Ni, and Cd by modified ligand
in a single component aqueous solution: equilibrium, kinetic, thermodynamic, and desorption
studies. Int. J. Anal. Chem. 2017 (2017)
19. M.M. Rao, G.P.C. Rao, K. Seshaiah, N.V. Choudary, M.C. Wang, Activated carbon from Ceiba
pentandra hulls, an agricultural waste, as an adsorbent in the removal of lead and zinc from
aqueous solutions. Waste Manag 28(5), 849–858 (2008)
20. S. Hao, A. Verlotta, P. Aprea, F. Pepe, D. Caputo, W. Zhu, Optimal synthesis of aminofunctionalized mesoporous silicas for the adsorption of heavy metal ions. Microporous
Mesoporous Mater. 236, 250–259 (2016)
21. M.O. Omorogie, J.O. Babalola, E.I. Unuabonah, W. Song, J.R. Gong, Efficient chromium
abstraction from aqueous solution using a low-cost biosorbent: Nauclea diderrichii seed
biomass waste. J. Saudi Chem. Soc. 20(1), 49–57 (2016)
22. K.J. Adarsh, D.G. Madhu, A comparative study on metal adsorption properties of different
forms of chitosan. Int. J. Innov. Res. Sci. Eng. Technol. 3(2), 9609–9617 (2014)
23. P. Suksabye, P. Thiravetyan, W. Nakbanpote, S. Chayabutra, Chromium removal from
electroplating wastewater by coir pith. J. Hazard. Mater. 141(3), 637–644 (2007)
24. E. Igberase, P. Osifo, A. Ofomaja, Mathematical modelling of Pb 2+ , Cu 2+ , Ni 2+ , Zn 2+ , Cr 6+
and Cd 2+ ions adsorption from a synthetic acid mine drainage onto chitosan derivative in a
packed bed column. Environ. Technol. (United Kingdom) 39(24), 3203–3220 (2018)
25. L. Zhang, Y. Zeng, Z. Cheng, Removal of heavy metal ions using chitosan and modified
chitosan: a review. J. Mol. Liq. 214, 175–191 (2016)
26. T. Becker, M. Schlaak, H. Strasdeit, Adsorption of nickel(II), zinc(II) and cadmium(II) by new
chitosan derivatives. React. Funct. Polym. 44(3), 289–298 (2000)
27. R. Bassi, S.O. Prasher, B.K. Simpson, Removal of selected metal ions from aqueous solutions
using chitosan flakes. Sep. Sci. Technol. 35(4), 547–560 (2000)
28. Y.S. Ho, G. McKay, Application of kinetic models to the sorption of copper(II) on to peat.
Adsorpt. Sci. Technol. 20(8), 797–815 (2002)
29. P.O. Osifo, The use of chitosan beads for the adsorption and regeneration of heavy metals
(2007), p. 156
30. I.S. Lima, C. Airoldi, A thermodynamic investigation on chitosan-divalent cation interactions.
Thermochim. Acta 421(1–2), 133–139 (2004)
31. K. Jaafari, T. Ruiz, S. Elmaleh, J. Coma, K. Benkhouja, Simulation of a fixed bed adsorber
packed with protonated cross-linked chitosan gel beads to remove nitrate from contaminated
water. Chem. Eng. J. 99(2), 153–160 (2004)
32. K. Kurita, H. Akao, J. Yang, M. Shimojoh, Nonnatural branched polysaccharides: synthesis
and properties of chitin and chitosan having disaccharide maltose branches. Biomacromol 4(5),
1264–1268 (2003)