[1] [1] HUANG Q Q, CHEN Y, YU H Q, et al. Magnetic graphene oxide/MgAl-layered double hydroxide nanocomposite: one-pot solvothermal synthesis, adsorption performance and mechanisms for Pb2+, Cd2+, and Cu2+［J］. Chemical Engineering Journal, 2018, 341: 1-9.

[2] [2] CHITPONG N, HUSSON S M. High-capacity, nanofiber-based ion-exchange membranes for the selective recovery of heavy metals from impaired waters［J］. Separation and Purification Technology, 2017, 179: 94-103.

[3] [3] HASE H, NISHIUCHI T, SATO T, et al. A novel method for remediation of nickel containing wastewater at neutral conditions［J］. Journal of Hazardous Materials, 2017, 329: 49-56.

[5] [5] DONG Z H, WANG D, LIU X, et al. Bio-inspired surface-functionalization of graphene oxide for the adsorption of organic dyes and heavy metal ions with a superhigh capacity［J］. Journal of Materials Chemistry A, 2014, 2(14): 5034-5040.

[8] [8] Cao S W, Zhang H, Meng C H, et al. Preparation of calcium alginate-SiO2 hybrid materials and adsorption properties for Cu(Ⅱ)［J］. Polymer Materials Science and Engineering, 2020, 36(2): 169-175.

[9] [9] WANG X B, CAI W P, LIU S W, et al. ZnO hollow microspheres with exposed porous nanosheets surface: structurally enhanced adsorption towards heavy metal ions［J］. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2013, 422: 199-205.

[10] [10] MAHDAVI S, JALALI M, AFKHAMI A. Heavy metals removal from aqueous solutions using TiO2, MgO, and Al2O3 nanoparticles［J］. Chemical Engineering Communications, 2013, 200(3): 448-470.

[12] [12] EL-DEEN A G, CHOI J H, KIM C S, et al. TiO2 nanorod-intercalated reduced graphene oxide as high performance electrode material for membrane capacitive deionization［J］. Desalination, 2015, 361: 53-64.

[13] [13] BET-MOUSHOUL E, MANSOURPANAH Y, FARHADI K, et al. TiO2 nanocomposite based polymeric membranes: a review on performance improvement for various applications in chemical engineering processes［J］. Chemical Engineering Journal, 2016, 283: 29-46.

[15] [15] LIN X X, RONG F, JI X, et al. Carbon-doped mesoporous TiO2 film and its photocatalytic activity［J］. Microporous and Mesoporous Materials, 2011, 142(1): 276-281.

[17] [17] YE K H, LI K S, LU Y R, et al. An overview of advanced methods for the characterization of oxygen vacancies in materials［J］. TrAC Trends in Analytical Chemistry, 2019, 116: 102-108.

[18] [18] INOUE F, ANDO R A, CORIO P. Raman evidence of the interaction between multiwalled carbon nanotubes and nanostructured TiO2［J］. Journal of Raman Spectroscopy, 2011, 42(6): 1379-1383.

[19] [19] VASSILEVA E, PROINOVA I, HADJIIVANOV K. Solid-phase extraction of heavy metal ions on a high surface area titanium dioxide (anatase)［J］. Analyst, 1996, 121(5): 607-612.

[20] [20] MADHAVA RAO M, RAMESH A, PURNA CHANDRA RAO G, et al. Removal of copper and cadmium from the aqueous solutions by activated carbon derived from Ceiba pentandra hulls［J］. Journal of Hazardous Materials, 2006, 129(1/2/3): 123-129.

[21] [21] RAVICHANDRAN L, SELVAM K, SWAMINATHAN M. Highly efficient activated carbon loaded TiO2 for photo defluoridation of pentafluorobenzoic acid［J］. Journal of Molecular Catalysis A: Chemical, 2010, 317(1/2): 89-96.

[22] [22] TAN P, SUN J, HU Y Y, et al. Adsorption of Cu2+, Cd2+ and Ni2+ from aqueous single metal solutions on graphene oxide membranes［J］. Journal of Hazardous Materials, 2015, 297: 251-260.

[23] [23] RAMESHA G K, VIJAYA KUMARA A, MURALIDHARA H B, et al. Graphene and graphene oxide as effective adsorbents toward anionic and cationic dyes［J］. Journal of Colloid and Interface Science, 2011, 361(1): 270-277.