References

  1. I.M. Kenawy, M.A.H. Hafez, M.A. Ismail, M.A. Hashem, Adsorption of Cu(II), Cd(II), Hg(II), Pb(II) and Zn(II) from aqueous single metal solutions by guanyl-modified cellulose, Int. J. Biol. Macromol., 107 (2018) 1538–1549.
  2. M.A. Hashem, M. Hasan, M.A. Momen, S. Payel, M.S. Nur-A-Tomal, Water hyacinth biochar for trivalent chromium adsorption from tannery wastewater, Environ. Sustainability Indic., 5 (2020) 100022, doi: 10.1016/j.indic.2020.100022.
  3. A.A. Alqadami, Mu. Naushad, M.A. Abdalla, T. Ahamad, Z.A. ALOthman, S.M. Alsehri, A.A. Ghfar, Efficient removal of toxic metal ions from wastewater using a recyclable nanocomposite: a study of adsorption parameters and interaction mechanism, J. Cleaner Prod., 156 (2017) 426–436.
  4. T. Benvenuti, M.A. Siqueira Rodrigues, A.M. Bernardes, J. Zoppas-Ferreira, Closing the loop in the electroplating industry by electrodialysis, J. Cleaner Prod., 155 (2017) 130–138.
  5. S.L. Cardoso, C.S.D. Costa, E. Nishikawa, M.G.C. da Silva, M.G.A. Vieira, Biosorption of toxic metals using the alginate extraction residue from the brown algae Sargassum filipendula as a natural ion-exchanger, J. Cleaner Prod., 165 (2017) 491–499.
  6. P.S. Kumar, S. Ramalingam, V. Sathyaselvabala, S.D. Kirupha, A. Murugesan, S. Sivanesan, Removal of cadmium(II) from aqueous solution by agricultural waste cashew nut shell, Korean J. Chem. Eng., 29 (2012) 756–768.
  7. A.B.P. Marín, M.I. Aguilar, J.F. Ortuño, V.F. Meseguer, J. Sáez, M. Lloréns, Biosorption of Zn(II) by orange waste in batch and packed-bed systems, J. Chem. Technol. Biotechnol., 85 (2010) 1310–1318.
  8. Z. Gokalp, D. Mohammed, Assessment of heavy metal pollution in Heshkaro stream of Duhok city, Iraq, J. Cleaner Prod., 237 (2019) 117681, doi: 10.1016/j.jclepro.2019.117681.
  9. E.A.A. Omodele, A.G. Adewale, M.M. Mikaila, A Mini-Review on the Application of Alumina Nanoparticles for Water Treatment, International Science Conference, Faculty of Science Auditorium, Federal University
    Oye-Ekiti, Ekiti State, Nigeria, 2019, pp. 4–8.
  10. K. Nithya, A. Sathish, P.S. Kumar, Packed bed column optimization and modeling studies for removal of chromium ions using chemically modified Lantana camara adsorbent, J. Water Process Eng., 33 (2019) 101069, doi: 10.1016/j.jwpe.2019.101069.
  11. K. Banerjee, A novel agricultural waste adsorbent, watermelon shell for the removal of copper from aqueous solutions, Iran. J. Energy Environ., 3 (2012) 143–156.
  12. P. Saha, S. Chowdhury, Insight Into Adsorption Thermodynamics, M. Tadashi, Ed., Thermodynamics, InTechOpen, 2011. Available at http://www.intechopen.com/books/thermodynamics/insight-into-adsorption-thermodynamics
  13. V.M. Marín-Rangel, R. Cortés-Martínez, R.A. Cuevas Villanueva, M.G. Garnica-Romo, H.E. Martínez-Flores, As(V) biosorption in an aqueous solution using chemically treated lemon (Citrus aurantifolia Swingle) residues, J. Food Sci., 77 (2012) 10–14.
  14. V. Mishra, C. Balomajumder, V.K. Agarwal, Kinetics, Mechanistic and thermodynamics of Zn(II) ion sorption: a modeling approach, CLEAN - Soil Air Water, 40 (2012) 718–727.
  15. T.A.H. Nguyen, H.H. Ngo, W.S. Guo, J. Zhang, S. Liang, Q.Y. Yue, Q. Li, T.V. Nguyen, Applicability of agricultural waste and by-products for adsorptive removal of heavy metals from wastewater, Bioresour. Technol., 148 (2013) 574–585.
  16. C. Lei, X. Zhu, B. Zhu, C. Jiang, Y. Le, J. Yu, Superb adsorption capacity of hierarchical calcined Ni/Mg/Al layered double hydroxides for Congo red and Cr(VI) ions, J. Hazard. Mater., 321 (2017) 801–811.
  17. A. Mandal, N. Singh, Kinetic and isotherm error optimization studies for adsorption of atrazine and imidacloprid on bark of Eucalyptus tereticornis L., J. Environ. Sci. Health., Part B, 51 (2016) 192–203.
  18. M. Ghaedi, A.G. Nasab, S. Khodadoust, M. Rajabi, S. Azizian, Application of activated carbon as adsorbents for efficient removal of methylene blue: kinetics and equilibrium study, J. Ind. Eng. Chem., 20 (2014) 2317–2324.
  19. L. Wu, W. Wan, Z. Shang, X. Gao, N. Kobayashi, G. Luo, Z. Li, Surface modification of phosphoric acid activated carbon by using non-thermal plasma for enhancement of Cu(II) adsorption from aqueous solutions, Sep. Purif. Technol., 197 (2018) 156–169.
  20. R.A. Figueroa, A. Leonard, A.A. MacKay, Modeling tetracycline antibiotic sorption to clays, Environ. Sci. Technol., 38 (2004) 476–483.
  21. L. Ai, Y. Zhou, J. Jiang, Removal of methylene blue from aqueous solution by montmorillonite/CoFe2O4 composite with magnetic separation performance, Desalination, 266 (2011) 72–77.
  22. J. Maity, S.K. Ray, Chitosan based nano composite adsorbentsynthesis, characterization and application for adsorption of binary mixtures of Pb(II) and Cd(II) from water, Carbohydr. Polym., 182 (2018) 159–171.
  23. R. Karthik, S. Meenakshi, Removal of Cr(VI) ions by adsorption onto sodium alginate-polyaniline nanofibers, Int. J. Biol. Macromol., 72 (2015) 711–717.
  24. Jumina, Y. Priastomo, H.R. Setiawan, Mutmainah, Y.S. Kurniawan, K. Ohto, Simultaneous removal of lead(II), chromium(III), and copper(II) heavy metal ions through an adsorption process using
    C-phenylcalix[4]pyrogallolarene material, J. Environ. Chem. Eng., 8 (2020) 103971, doi: 10.1016/j.jece.2020.103971.
  25. S. Raghav, D. Kumar, Adsorption equilibrium, kinetics, and thermodynamic studies of fluoride adsorbed by tetrametallic oxide adsorbent, J. Chem. Eng. Data, 63 (2018) 1682–1697.
  26. S. Ghosh, D. Mitra, Elimination of Chromium(VI) from Waste Water Using Various Biosorbents, A. Sarma, V. Singh, R. Bhattacharjya, S. Kartha, Eds., Urban Ecology, Water Quality and Climate Change, Water Science and Technology Library, Vol 84, Springer, Cham, 2018. doi: 10.1007/978-3-319-74494-0_20
  27. S. Mitra, A. Sarkar, S. Sen, Removal of chromium from industrial effluents using nanotechnology: a review, Nanotechnol. Environ. Eng., 2 (2017) 11, doi: 10.1007/s41204-017-0022-y.
  28. H. Hadi Najafabadi, M. Irani, L. Roshanfekr Rad, A. Heydari Haratameh, I. Haririan, Removal of Cu2+, Pb2+ and Cr6+ from aqueous solutions using a chitosan/graphene oxide composite nanofibrous adsorbent, RSC Adv., 5 (2015) 16532–16539.
  29. H. Wei, J. Zhu, S. Wu, S. Wei, Z. Guo, Electrochromic polyaniline/graphite oxide nanocomposites with endured electrochemical energy storage, Polymer (Guildf)., 54 (2013) 1820–1831.
  30. F. Guo, Y. Liu, H. Wang, G. Zeng, X. Hu, B. Zheng, T. Li, X. Tan, S. Wang, M. Zhang, Adsorption behavior of Cr(VI) from aqueous solution onto magnetic graphene oxide functionalized with 1,2-diaminocyclohexanetetraacetic acid, RSC Adv., 5 (2015) 45384–45392.
  31. X. Liu, Y. Zhou, W. Nie, L. Song, P. Chen, Fabrication of hydrogel of hydroxypropyl cellulose (HPC) composited with graphene oxide and its application for methylene blue removal, J. Mater. Sci., 50 (2015) 6113–6123.
  32. A.R. Kamali, D.J. Fray, Molten salt corrosion of graphite as a possible way to make carbon nanostructures, Carbon N. Y., 56 (2013) 121–131.
  33. K.R. Parmar, I. Patel, S. Basha, Z.V.P. Murthy, Synthesis of acetone reduced graphene oxide/Fe3O4 composite through simple and efficient chemical reduction of exfoliated graphene oxide for removal of dye from aqueous solution, J. Mater. Sci., 49 (2014) 6772–6783.
  34. L. Huang, Y. Wang, J. Tang, Y. Wang, J. Liu, Z. Huang, J. Jiao, W. Wang, J.K. Matt, B.A. Laurence, A new graphene nanocomposite to improve the electrochemical properties of magnesium-based amorphous alloy, Mater. Lett., 160 (2015) 104–108.
  35. R. Wijaya, G. Andersan, S. Permatasari Santoso, W. Irawaty, Green reduction of graphene oxide using kaffir lime peel extract (Citrus hystrix) and its application as adsorbent for methylene blue, Sci. Rep., 10 (2020) 1–9, doi: 10.1038/s41598-020- 57433-9.
  36. X. Yang, T. Zhou, B. Ren, A. Hursthouse, Y. Zhang, Removal of Mn(II) by sodium alginate/graphene oxide composite doublenetwork hydrogel beads from aqueous solutions, Sci. Rep., 8 (2018) 1–16.
  37. X. Liu, R. Ma, X. Wang, Y. Ma, Y. Yang, L. Zhuang, S. Zhang, R. Jehan, J. Chen, X. Wang, Graphene oxide-based materials for efficient removal of heavy metal ions from aqueous solution: a review, Environ. Pollut., 252 (2019) 62–73.
  38. A. Abu-Nada, G. McKay, A. Abdala, Recent advances in applications of hybrid graphene materials for metals removal from wastewater, Nanomaterials, 10 (2020) 595, doi: 10.3390/nano10030595.
  39. C.S. Nkutha, P.N. Diagboya, F.M. Mtunzi, E.D. Dikio, Application of eco-friendly multifunctional porous graphene oxide for adsorptive sequestration of chromium in aqueous solution, Water Environ. Res., 92 (2020) 1070–1079.
  40. S. Ahmed, Fatema-Tuj-Zohra, M.M. Mahdi, D.M. Mahmudunnabi, T.R. Choudhury, M.Z. Alam, M. Nurnabi, Synthesis and characterization of graphene oxide for removal of Cr(III) from tannery effluent, Desal. Water Treat., 244 (2021) 201–211.
  41. B.I. Olu-owolabi, P.N. Diagboya, W.C. Ebaddan, Mechanism of Pb2+ removal from aqueous solution using a nonliving moss biomass, Chem. Eng. J., 195–196 (2012) 270–275.
  42. H. Zhu, T. Chen, J. Liu, D. Li, Adsorption of tetracycline antibiotics from an aqueous solution onto graphene oxide/calcium alginate composite fibers, RSC Adv., 8 (2018) 2616–2621.
  43. Y. Fei, Y. Li, S. Han, J. Ma, Adsorptive removal of ciprofloxacin by sodium alginate/graphene oxide composite beads from aqueous solution, J. Colloid Interface Sci., 484 (2016) 196–204.
  44. N.I. Zaaba, K.L. Foo, U. Hashim, S.J. Tan, W.W. Liu, C.H. Voon, Synthesis of graphene oxide using modified Hummers method: solvent influence, Procedia Eng., 184 (2017) 469–477.
  45. M.Z. Iqbal, A.A. Abdala, Thermally reduced graphene: Synthesis, characterization and dye removal applications, RSC Adv., 3 (2013) 24455–24464.
  46. J. Wang, B. Chen, Adsorption and coadsorption of organic pollutants and a heavy metal by graphene oxide and reduced graphene materials, Chem. Eng. J., 281 (2015) 379–388.
  47. C. Valencia, C.H. Valencia, F. Zuluaga, M.E. Valencia, J.H. Mina, C.D. Grande-Tovar, Synthesis and application of scaffolds of chitosan-graphene oxide by the freeze-drying method for tissue regeneration, Molecules, 23 (2018) 2651, doi: 10.3390/molecules23102651.
  48. D.M. Mahmudunnabi, M.Z. Alam, M. Nurnabi, Removal of TURQUOISE GN from aqueous solution using graphene oxide, Desal. Water Treat., 174 (2020) 389–399.
  49. R. Jabari, M. Jahanshahi, A. Rashidi, A. Asghar, Applied surface science synthesize and characterization of graphene nanosheets with high surface area and nano-porous structure, Appl. Surf. Sci., 276 (2013) 672–681.
  50. S. Zhang, H. Wang, J. Liu, C. Bao, Measuring the specific surface area of monolayer graphene oxide in water, Mater. Lett., 261 (2019) 127098, doi: 10.1016/j.matlet.2019.127098.
  51. I. Sengupta, S. Chakraborty, M. Talukdar, S.K. Pal, S. Chakraborty, Thermal reduction of graphene oxide: how temperature influences purity, J. Mater. Res., 33 (2018), doi: 10.1557/jmr.2018.338.
  52. S. Lv, Q. Zhou, Y. Li, Y. He, H. Zhao, Tanning performance and environmental effects of nanosized graphene oxide tanning agent, Clean Technol. Environ. Policy, 18 (2016) 1997–2006.
  53. R.P. Mohubedu, P.N.E. Diagboya, C.Y. Abasi, E.D. Dikio, F. Mtunzi, Magnetic valorization of biomass and biochar of a typical plant nuisance for toxic metals contaminated water treatment, J. Cleaner Prod., 209 (2018) 1016–1024.
  54. P.N. Diagboya, E.D. Dikio, Dynamics of mercury solid phase extraction using Barbula lambarenensis, Environ. Technol. Innovation, 9 (2018) 275–284.
  55. P.R. Sera, P.N. Diagboya, S.O. Akpotu, F.M. Mtunzi, T.B. Chokwe, Potential of valourized Moringa oleifera seed waste modified with activated carbon for toxic metals decontamination in conventional water treatment, Bioresour. Technol. Rep., 16 (2021) 100881, doi: 10.1016/j.biteb.2021.100881.
  56. P.N. Diagboya, E.D. Dikio, Scavenging of aqueous toxic organic and inorganic cations using novel facile magneto-carbon blackclay composite adsorbent, J. Cleaner Prod., 180 (2018) 71–80.
  57. P. Tan, J. Sun, Y. Hu, Z. Fang, Q. Bi, Y. Chen, J. Cheng, Adsorption of Cu2+, Cd2+ and Ni2+ from aqueous single metal solutions on graphene oxide membranes, J. Hazard. Mater., 297 (2015) 251–260.
  58. R.L. White, C.M. White, H. Turgut, A. Massoud, Z.R. Tian, Comparative studies on copper adsorption by graphene oxide and functionalized graphene oxide nanoparticles, J. Taiwan Inst. Chem. Eng., 85 (2018) 18–28.
  59. A. Jean Jacques, T. Eko Kevin, T. Guy Merlain, K. Daouda, K. Joseph Mbadcam, Adsorption study of Cu2+ ions from aqueous solution using kaolinite and metakaolinite, Int. J. Mod. Res. Eng. Technol., 3 (2018) 13–23.
  60. H. Patel, Fixed-bed column adsorption study: a comprehensive review, Appl. Water Sci., 9 (2019) 45, doi: 10.1007/s13201-019-0927-7.
  61. I.-H.T. Kuete, D.R.T. Tchuifon, G.N. Ndifor-Angwafor, A.T. Kamdem, S.G. Anagho, Kinetic, isotherm and thermodynamic studies of the adsorption of thymol blue onto powdered activated carbons from garcinia cola nut shells impregnated with H3PO4 and KOH: non-linear regression analysis, J. Encapsulation Adsorpt. Sci., 10 (2020) 1–27.
  62. M.K. Rai, B.S. Giri, Y. Nath, H. Bajaj, S. Soni, R.S. Singh, B.N. Rai, Adsorption of hexavalent chromium from aqueous solution by activated carbon prepared from almond shell: Kinetics, equilibrium and thermodynamics study, J. Water Supply Res. Technol. AQUA, 67 (2018) 724–737.
  63. N.K. Mondal, S. Chakraborty, Adsorption of Cr(VI) from aqueous solution on graphene oxide (GO) prepared from graphite: equilibrium, kinetic and thermodynamic studies, Appl. Water Sci., 10 (2020) 1–10, doi: 10.1007/s13201-020-1142-2.
  64. W.J. Weber, P.M. McGinley, E.K. Lynn, A distributed reactivity model for sorption by soils and Sediments. 1. Conceptual basis and equilibrium assessments, Environ. Sci. Technol., 10 (1992) 1955–1962.
  65. T.A. Saleh, Isotherm, kinetic, and thermodynamic studies on Hg(II) adsorption from aqueous solution by silica- multiwall carbon nanotubes, Environ. Sci. Pollut. Res., 22 (2015) 16721–16731.
  66. E. Aranda-García, G.M. Chávez-Camarillo, E. Cristiani-Urbina, Effect of ionic strength and coexisting ions on the biosorption of divalent nickel by the acorn shell of the oak Quercus crassipes humb. & bonpl., Processes, 8 (2020) 1229 (1–17), doi: 10.3390/pr8101229.
  67. Z.P. Zanele, F.M. Mtunzi, S.M. Nelana, A.N. Ebelegi, N. Ayawei, E.D. Dikio, D. Wankasi, P.N. Diagboya, Metals and antibiotics as aqueous sequestration targets for magnetic polyamidoaminegrafted SBA-15, Langmuir, 37 (2021) 9764–9773.
  68. S. Kebede, Groundwater in Ethiopia: Features, Numbers and Opportunities, Springer, Berlin, Heidelberg, 2013, pp. 1–285. doi: 10.1007/978-3-642-30391-3.
  69. A. Siddique, A.K. Nayak, J. Singh, Synthesis of FeCl3- activated carbon derived from waste Citrus limetta peels for removal of fluoride: an eco-friendly approach for the treatment of groundwater and bio-waste collectively, Groundwater Sustainable Dev., 10 (2020) 100339, doi: 10.1016/j. gsd.2020.100339.
  70. M.E. Ali, M.E. Hoque, S.K. Safdar Hossain, M.C. Biswas, Nanoadsorbents for wastewater treatment: next generation biotechnological solution, Int. J. Environ. Sci. Technol., 17 (2020) 4095–4132.
  71. L. Li, C. Luo, X. Li, H. Duan, X. Wang, Preparation of magnetic ionic liquid/chitosan/graphene oxide composite and application for water treatment, Int. J. Biol. Macromol., 66 (2014) 172–178.
  72. F. Shoushtarian, M.R.A. Moghaddam, E. Kowsari, Efficient regeneration/reuse of graphene oxide as a nanoadsorbent for removing Basic red 46 from aqueous solutions, J. Mol. Liq., 312 (2020) 113386, doi: 10.1016/j.molliq.2020.113386.
  73. L. Chang, Y. Pu, P. Jing, Y. Cui, G. Zhang, S. Xu, B. Cao, J. Guo, F. Chen, C. Qiao, Magnetic core-shell
    MnFe2O4@TiO2 nanoparticles decorated on reduced graphene oxide as a novel adsorbent for the removal of ciprofloxacin and Cu(II) from water, Appl. Surf. Sci., 541 (2021) 148400, doi: 10.1016/j.apsusc.2020.148400.
  74. S.T. Yang, Y. Chang, H. Wang, G. Liu, S. Chen, Y. Wang, Y. Liu, A. Cao, Folding/aggregation of graphene oxide and its application in Cu2+ removal, J. Colloid Interface Sci., 351 (2010) 122–127.
  75. Y. Yuan, G. Zhang, Y. Li, G. Zhang, F. Zhang, X. Fan, Poly(amidoamine) modified graphene oxide as an efficient adsorbent for heavy metal ions, Polym. Chem., 4 (2013) 2164–2167.
  76. X. Mi, G. Huang, W. Xie, W. Wang, Y. Liu, J. Gao, Preparation of graphene oxide aerogel and its adsorption for Cu2+ ions, Carbon N. Y., 50 (2012) 4856–4864.
  77. Y. Wang, X. Liu, H. Wang, G. Xia, W. Huang, R. Song, Microporous spongy chitosan monoliths doped with graphene oxide as highly effective adsorbent for methyl orange and copper nitrate (Cu(NO3)2) ions, J. Colloid Interface Sci., 416(2014) 243–251.
  78. N. Kataria, V.K. Garg, Optimization of Pb(II) and Cd(II) adsorption onto ZnO nanoflowers using central composite design: isotherms and kinetics modelling, J. Mol. Liq., 271 (2018), doi: 10.1016/j.molliq.2018.08.135.
  79. Q. Huang, Y. Chen, H. Yu, L. Yan, J. Zhang, B. Wang, B. Du, L. Xing, Magnetic graphene oxide/MgAl-layered double hydroxide nanocomposite: one-pot solvothermal synthesis, adsorption performance and mechanisms for Pb2+, Cd2+, and Cu2+, Chem. Eng. J., 341 (2018) 1–9.
  80. W. Fu, Z. Huang, Magnetic dithiocarbamate functionalized reduced graphene oxide for the removal of Cu(II), Cd(II), Pb(II), and Hg(II) ions from aqueous solution: synthesis, adsorption, and regeneration, Chemosphere, 209 (2018) 449–456.