[1] O. Charles, A. Hamouz, M.K. Estatie, M.A. Morsy and T.A. Saleh, Lead ion removal by novel highly cross-linked Mannich based polymers, J. Taiwan Inst. Chem. Eng. 70 (2017) 345–351.
[2] N.A. Miranda, S. Baltazar, A. Garcıa, D. Munoz-Lira, P. Sepulveda, M.A. Rubioa and D.A.F. Nicolas, Nanoscale zero valent supported by Zeolite and Montmorillonite: template effect of the removal of lead ion from an aqueous solution, J. Hazard. Mater. 301 (2016) 371–380.
[3] O.S. Lawal, O.S. Ayanda, O.O. Rabiu, and K.O. Adebowal, Application of black walnut (Juglan) husk for the removal of ion from aqueous solution, Water Sci. Technol. 75 (2017) 2454–2464.
[4] M.S. Rajput, A.K. Sharma, S. Sharma and S. Verma, Removal of Lead (II) from aqueous solutions by orange peel, Int. J. Appl. Res. 9 (2015) 411–413.
[5] L.F. Musico, C.M. Santos, M.L.P. Dalida, and D.F.R. odrigues, Improved removal of lead(II) from water using a polymer-based graphene oxide nanocomposite, J. Mater. Chem. (2013) 3789–3796.
[6] S. Kumar, R.R. Nair, P.B. Pillai, S.N. Gupta, M.A.R. Iyengar, and A.K. Sood, Graphene oxide MnFe2O4 magnetic nanohy-brids for efficient removal of lead and arsenic from, water. Appl. Mater. Interf. 6 (2014) 7426-17436.
[7] S. Joshi, V.K. Garg, J. Saini, and K. Kadirvelu, Removal of toulidine blue O dye from aqueous solution by silica-iron oxide nanoparticles, Mater. Focus. 7 (2018) 140–146.
[8] P.V. Thitame and S.R.Shukla, Removal of lead (II) from synthetic solution and industry wastewater using almond shell activated carbon, Environ. Prog. Sustain Energy 36 (2017) 1628–1633.
[9] Y.M. Ahmed, A. Al-Mamun, A. Khatib, M.R., Al, A.T.Jameel and M. AlSaadi, Efficient lead sorption from wastewater by carbon nanofibers, Environ. Chem. Lett. 13 (2015) 341–346.
[10] .C.S.A. Hamouz, I.O. Adelabu and T.A. Saleh, Novel cross- linked melamine based polyamine/CNT composites for lead ions removal, J. Environ. Manage. 192 (2017) 163–173.
[11] L. Fan, C. Luo, M. Sun, X. Li and H. Qiu, Highly selective adsorption of lead ions by water-dispersible magnetic chitosan/ graphene oxide composites, Colloids Surf. B 103 (2013) 523–529.
[12] J. Saini, V.K. Garg and R.K. Gupta, Green synthesized SiO2@OPW nanocomposites for enhanced Lead (II) removal from water, Arabian J. Chemistr, In Press.
[13] H.A. Sani, M.B. Ahmad, M.Z. Hussein, N.A. Brahim and T.A. Saleh, Nanocomposite of ZnO with montmorillonite for removal of lead and copper ions from aqueous solutions, Process Saf. Environ. Protect. 109 (2017) 97–105.
[14] X. Luo, X. Lei, X. Xie, B. Yu, N. Cai and F. Yu, Adsorptive removal of Lead from water by the effective and reusable magnetic cellulose nanocomposite beads entrapping activated bentonite, Carbohyd. Polym. 151(2016) 640–648.
[15] S.Wan, F. He, J. Wu, W. Wan, Y. Gu and B. Gao, Rapid and highly selective removal of lead from water using graphene oxide-hydrated manganese oxide nanocomposites, J. Hazard. Mater. 314 (2016) 32–40.
[16] G.Yang, L. Tang, G. Zeng, Y. Cai, J. Tang, Y. Pang and Y. Zhou, Simultaneous removal of lead and phenol contamination from water by nitrogen-functionalized magnetic ordered meso- porous carbon. Chem. Eng. J. 259 (2015) 854–864.
[17] T.A. Saleh, Nanocomposite of carbon nanotubes/silica nanoparticles and their use for adsorption of Pb (II): from surface properties to sorption mechanism, Desalination Water Treat. 57 (2016) 10730-10744.
[18] J. Liu, X. Yang, Z. Shen, B. Zhang, J. Yang, W. Hong and Z. Zhuang, Silica nanoparticles capture atmospheric lead: Implications in the treatment of environmental heavy metal pollution, Chemosphere 90 (2013) 653-656.
)