6RAHMANI A ,MOUSAVI H, FAZLI M.Effect of nanostructure alumina on adsorption of heavy metals [J ] .Desalina- tion, 2010,253 : 94-100.
7DEBNATH S,BISWAS K, GHOSH U.Removal of Ni (11) and Cr (VI) with titanium (IV) oxide nanoparticle ag-glomerates in fixed-bed columns[J ] .In Eng Chem Re, 2010,49 : 2031-2039.
8CAO C Y, QU J ,WEI F, et al. Superb adsorption capacity and mechanism of flowerlike magnesium oxide nanostruc- tures for lead and cadmium ions [J ].ACS Appl Mat Interfaces, 2012 (4):4283-4287.
9MAHDAVI S,JALALI M,AFKHAMI A.R.emoval of heavy metals from aqueous solutions using Fe304,ZnO,and CuO nanoparticles[J]. J Nanopart Re, 2012,14 : 1-18.
10HUA M, ZHANG S, PAN B, et al.Heavy metal removal from water/wastewater by nanosized metal oxides :A review [J ]. j Hazard Mater, 2011,211/212 : 317-331.