References

  1. S. Ayub, A.A. Siddique, Md. S. Khursheed, A. Zarei, I. Alam, E. Asgari, F. Changani, Removal of heavy metals (Cr, Cu, and Zn) from electroplating wastewater by electrocoagulation and adsorption processes, Desal. Water Treat., 179 (2020) 263–271.
  2. A. Azimi, A. Azari, M. Rezakazemi, M. Ansarpour, Removal of heavy metals from industrial wastewaters: a review, ChemBioEng Rev., 4 (2017) 37–59.
  3. F. Fu, Q. Wang, Removal of heavy metal ions from wastewaters: a review, J. Environ. Manage., 92 (2011) 407–418.
  4. C.P.J. Isaac, A. Sivakumar, Removal of lead and cadmium ions from water using Annona squamosa shell: kinetic and equilibrium studies, Desal. Water Treat., 51 (2013) 7700–7709.
  5. P. Xu, B. Elson, J.E. Drewes, Chapter 12 – Electrosorption of Heavy Metals with Capacitive Deionization: Water Reuse, Desalination and Resources Recovery, J. Kucera, Ed., Desalination: Water from Water, Scrivener Publishing LLC, United States, 2014, pp. 521–548.
  6. V. Masindi, K.L. Muedi, Chapter 7 – Environmental Contamination by Heavy Metals, H. El-Din M. Saleh,
    R.F. Aglan, Eds., Heavy Metals, IntechOpen, 2018, pp. 115–133.
  7. P. Chowdhury, A. Elkamel, A.K. Ray, Chapter 2 – Photocatalytic Processes for the Removal of Toxic Metal Ions, S. Sharma, Ed., Heavy Metals in Water: Presence, Removal and Safety, Royal Society of Chemistry, UK, 2014, pp. 25–43.
  8. A. Ahmadi, S. Heidarzadeh, A.R. Mokhtari, E. Darezereshki, H.A. Harouni, Optimization of heavy metal removal from aqueous solutions by maghemite (γ-Fe2O3) nanoparticles using response surface methodology, J. Geochem. Explor., 147 (2014) 151–158.
  9. Y. Chen, L. Peng, Q. Zeng, Y. Yang, M. Lei, H. Song, L. Chai, J. Gu, Removal of trace Cd(II) from water with the manganese oxides/ACF composite electrode, Clean Technol. Environ. Policy, 17 (2015) 49–57.
  10. A.H. Abbar, R.H. Salman, A.S. Abbas, Cadmium removal using a spiral-wound woven wire meshes packed bed rotating cylinder electrode, Environ. Technol. Innovation, 13 (2019) 233–243.
  11. Y. Wei, L. Xu, K. Yang, Z. Wang, Y. Kong, H. Xue, Electrosorption of toxic heavy metal ions by mono S- or
    N-doped and S, N-codoped 3D graphene aerogels, J. Electrochem. Soc., 164 (2017) E17–E22.
  12. E. García-Quismondo, R. Gómez, F. Vaquero, A.L. Cudero, J. Palma, M. Anderson, New testing procedures of a capacitive deionization reactor, Phys. Chem. Chem. Phys., 15 (2013) 7648–7656.
  13. M. Dai, L. Xia, S. Song, C. Peng, J.R. Rangel-Mendez, R. Cruz- Gaona, Electrosorption of As(III) in aqueous solutions with activated carbon as the electrode, Appl. Surf. Sci., 434 (2018) 816–821.
  14. G. Zhou, W. Li, Z. Wang, X. Wang, S. Li, D. Zhang, Electrosorption for organic pollutants removal and desalination by graphite and activated carbon fiber composite electrodes, Int. J. Environ. Sci. Technol., 12 (2015) 3735–3744.
  15. X. Su, T. Alan Hatton, Electrosorption, Kirk‐Othmer Encyclopedia of Chemical Technology, John Wiley & Sons, Inc., United States, 2016, pp. 1–11.
  16. C.-H. Hou, C. Liang, S. Yiacoumi, S. Dai, C. Tsouris, Electrosorption capacitance of nanostructured carbon-based materials, J. Colloid Interface Sci., 302 (2006) 54–61.
  17. C.-H. Hou, C.-Y. Huang, A comparative study of electrosorption selectivity of ions by activated carbon electrodes in capacitive deionization, Desalination, 314 (2013) 124–129.
  18. X. Zhao, B. Jia, Q. Sun, G. Jiao, L. Liu, D. She, Removal of Cr6+ ions from water by electrosorption on modified activated carbon fibre felt, R. Soc. Open Sci., 5 (2018) 1–13.
  19. C. Hu, F. Liu, H. Lan, H. Liu, J. Qu, Preparation of a manganese dioxide/carbon fiber electrode for electrosorptive removal of copper ions from water, J. Colloid Interface Sci., 446 (2015) 380–386.
  20. X.Z. Wang, M.G. Li, Y.W. Chen, R.M. Cheng, S.M. Huang, L.K. Pan, Z. Sun, Electrosorption of NaCl solutions with carbon nanotubes and nanofibers composite film electrodes, Electrochem. Solid-State Lett., 9 (2006) 23–26.
  21. J.C. Farmer, S.M. Bahowick, J.E. Harrar, D.V. Fix, R.E. Martinelli, A.K. Vu, K.L. Carroll, Electrosorption of chromium ions on carbon aerogel electrodes as a means of remediating ground water, Energy Fuels, 11 (1997) 337–347.
  22. B. Pierozynski, D. Zielinska, Electrosorption of quercetin on glassy carbon electrode, J. Electroanal. Chem., 651 (2011) 100–103.
  23. S.H. Kazemi, M.G. Maghami, M.A. Kiani, Electrodeposited manganese dioxide nanostructures on electro-etched carbon fibers: high performance materials for supercapacitor applications, Mater. Res. Bull., 60 (2014) 137–142.
  24. X. Ma, Y.A. Chen, K. Zhou, P.C. Wu, C.H. Hou, Enhanced desalination performance via mixed capacitive-Faradaic ion storage using RuO2-activated carbon composite electrodes, Electrochim. Acta, 295 (2019) 769–777.
  25. Z. Ye, T. Li, G. Ma, X. Peng, J. Zhao, Morphology controlled MnO2 electrodeposited on carbon fiber paper for highperformance supercapacitors, J. Power Sources, 351 (2017) 51–57.
  26. G. Yu, L. Hu, M. Vosgueritchian, H. Wang, X. Xie, J.R. McDonough, X. Cui, Y. Cui, Z. Bao, Solution-processed graphene/MnO2 nanostructured textiles for high-performance electrochemical capacitors, Nano Lett., 11 (2011) 2905–2911.
  27. R.H. Salman, M.H. Hafiz, A.S. Abbas, Preparation and characterization of graphite substrate manganese dioxide electrode for indirect electrochemical removal of phenol, Russ. J. Electrochem., 55 (2019) 407–418.
  28. M. Amini, H. Younesi, N. Bahramifar, A.A. Lorestani, F. Ghorbani, A. Daneshi, M. Sharifzadeh, Application of response surface methodology for optimization of lead biosorption in an aqueous solution by Aspergillus niger, J. Hazard. Mater., 154 (2008) 694–702.
  29. U.K. Garg, M.P. Kaur, D. Sud, V.K. Garg, Removal of hexavalent chromium from aqueous solution by adsorption on treated sugarcane bagasse using response surface methodological approach, Desalination, 249 (2009) 475–479.
  30. Y. Zhao, X. Min Hu, B. Hui Jiang, L. Li, Optimization of the operational parameters for desalination with response surface methodology during a capacitive deionization process, Desalination, 336 (2014) 64–71.
  31. B. Kiran, A. Kaushik, C.P. Kaushik, Response surface methodological approach for optimizing removal of Cr(VI) from aqueous solution using immobilized cyanobacterium, Chem. Eng. J., 126 (2007) 147–153.
  32. Y. Zheng, A. Wang, Removal of heavy metals using polyvinyl alcohol semi-IPN poly(acrylic acid)/tourmaline composite optimized with response surface methodology, Chem. Eng. J., 162 (2010) 186–193.
  33. Y.-H. Liu, H.-C. Hsi, K.-C. Li, C.-H. Hou, Electrodeposited manganese dioxide/activated carbon composite as a highperformance electrode material for capacitive deionization, ACS Sustainable Chem. Eng., 4 (2016) 4762–4770.
  34. B. Choi, S. Lee, C. Fushimi, A. Tsutsumi, Fibrous MnO2 electrode electrodeposited on carbon fiber for a fuel cell/battery system, Electrochim. Acta, 56 (2011) 6696–6701.
  35. C. Liu, J. Wang, J. Tian, L. Xiang, Synthesis and surface characterization of γ-MnO2 nanostructures, J. Nanomater., 2013 (2013) 1–6.
  36. S. Jana, S. Pande, A.K. Sinha, S. Sarkar, M. Pradhan, M. Basu, S. Saha, T. Pal, A green chemistry approach for the synthesis of flower-like Ag-doped MnO2 nanostructures probed by surfaceenhanced raman spectroscopy, J. Phys. Chem. C, 113 (2009) 1386–1392.
  37. Q. Cheng, J. Tang, J. Ma, H. Zhang, N. Shinya, L.C. Qin, Graphene and nanostructured MnO2 composite electrodes for supercapacitors, Carbon, 49 (2011) 2917–2925.
  38. H.Z. Chi, S. Yin, D. Cen, K. Chen, Y. Hu, H. Qin, H. Zhu, The capacitive behaviours of MnO2/carbon fiber composite electrode prepared in the presence of sodium tetraborate, J. Alloys Compd., 678 (2016) 42–50.
  39. M. Toupin, T. Brousse, D. Bélanger, Charge storage mechanism of MnO2 electrode used in aqueous electrochemical capacitor, Chem. Mater., 16 (2004) 3184–3190.
  40. P. Tripathi, V. Chandra Srivastava, A. Kumar, Optimization of an azo dye batch adsorption parameters using Box–Behnken design, Desalination, 249 (2009) 1273–1279.
  41. A. Zirehpour, A. Rahimpour, M. Jahanshahi, M. Peyravi, Mixed matrix membrane application for olive oil wastewater treatment: process optimization based on Taguchi design method, J. Environ. Manage., 132 (2014) 113–120.
  42. B. Ayoubi-Feiz, S. Aber, A. Khataee, E. Alipour, Electrosorption and photocatalytic one-stage combined process using a new type of nanosized TiO2/activated charcoal plate electrode, Environ. Sci. Pollut. Res., 21 (2014) 8555–8564.
  43. D. Ba, I.H. Boyaci, Modeling and optimization: usability of response surface methodology, J. Food Eng., 78 (2007) 836–845.
  44. E. Hazir, T. Ozcan, Response surface methodology integrated with desirability function and genetic algorithm approach for the optimization of CNC machining parameters, Arabian J. Sci. Eng., 44 (2019) 2795–2809.
  45. P.S. Kumar, C. Vincent, K. Kirthika, K.S. Kumar, Kinetics and equilibrium studies of Pb2+ ion removal from aqueous solutions by use of nano-silver-sol-coated activated carbon, Braz. J. Chem. Eng., 27 (2010) 339–346.
  46. N. Lv, X. Wang, S. Peng, H. Zhang, L. Luo, Study of the kinetics and equilibrium of the adsorption of oils onto hydrophobic jute fiber modified via the sol-gel method, Int. J. Environ. Res. Public Health, 15 (2018) 1–14.
  47. X. Zhong, W. Liang, H. Wang, C. Xue, B. Hu, Aluminum-based metal-organic frameworks (CAU-1) highly efficient UO22+ and TcO4 ions immobilization from aqueous solution, J. Hazard. Mater., 407 (2021) 124729, doi: 10.1016/j.jhazmat.2020.124729.