References

  1. E. Goretti, M. Pallottini, M.I. Ricciarini, R. Selvaggi, D. Cappelletti, Heavy metals bioaccumulation in selected tissues of red swamp crayfish: an easy tool for monitoring environmental contamination levels, Sci. Total Environ., 559 (2016) 339–346.
  2. S. Satarug, D.A. Vesey, G.C. Gobe, Current health risk assessment practice for dietary cadmium: data from different countries, Food Chem. Toxicol., 106 (2017) 430–445.
  3. S. Vasudevan, J. Lakshmi, Effect of alternating and direct current in an electrocoagulation process on the removal of cadmium from water, Water Sci. Technol., 65 (2012) 353–360.
  4. A. Izadi, A. Mohebbi, M. Amiri, N. Izadi, Removal of iron ions from industrial copper raffinate and electrowinning electrolyte solutions by chemical precipitation and ion exchange, Miner. Eng., 113 (2017) 23–35.
  5. J.A. Sirviö, M. Visanko, Lignin-rich sulfated wood nanofibers as high-performing adsorbents for the removal of lead and copper from water, J. Hazard. Mater., 383 (2020) 121174, doi: 10.1016/j.jhazmat.2019.121174.
  6. C. Zhang, Z. Yu, G. Zeng, B. Huang, H. Dong, J. Huang, Z. Yang, J. Wei, L. Hu, Q. Zhang, Phase transformation of crystalline iron oxides and their adsorption abilities for Pb and Cd, Chem. Eng. J., 284 (2016) 247–259.
  7. G. Hong, X. Li, L. Shen, M. Wang, C. Wang, X. Yu, X. Wang, High recovery of lead ions from aminated polyacrylonitrile nanofibrous affinity membranes with micro/nanostructure, J. Hazard. Mater., 295 (2015) 161–169.
  8. Faheem, H. Yu, J. Liu, J. Shen, X. Sun, J. Li, L. Wang, Preparation of MnOx-loaded biochar for Pb2+ removal: adsorption performance and possible mechanism, J. Taiwan Inst. Chem. Eng., 66 (2016) 313–320.
  9. Y. Ma, W.-J. Liu, N. Zhang, Y.-S. Li, H. Jiang, G.-P. Sheng, Polyethylenimine modified biochar adsorbent for hexavalent chromium removal from the aqueous solution, Bioresour. Technol., 169 (2014) 403–408.
  10. J. Zhang, F. Lü, L. Shao, P. He, The use of biochar-amended composting to improve the humification and degradation of sewage sludge, Bioresour. Technol., 168 (2014) 252–258.
  11. Z. Chen, X. Xiao, B. Chen, L. Zhu, Quantification of chemical states, dissociation constants and contents of oxygen-containing groups on the surface of biochars produced at different temperatures, Environ. Sci. Technol., 49 (2015) 309–317.
  12. L. Ramirez Arenas, S. Ramseier Gentile, S. Zimmermann, S. Stoll, Nanoplastics adsorption and removal efficiency by granular activated carbon used in drinking water treatment process, Sci. Total Environ., 791 (2021) 148175, doi: 10.1016/j. scitotenv.2021.148175.
  13. S. Wan, N. Qu, F. He, M. Wang, G. Liu, H. He, Tea wastesupported hydrated manganese dioxide (HMO) for enhanced removal of typical toxic metal ions from water, RSC Adv., 5 (2015) 88900–88907.
  14. Z. Song, F. Lian, Z. Yu, L. Zhu, B. Xing, W. Qiu, Synthesis and characterization of a novel MnOx-loaded biochar and its adsorption properties for Cu2+ in aqueous solution, Chem. Eng. J., 242 (2014) 36–42.
  15. H. Su, Z. Fang, P.E. Tsang, J. Fang, D. Zhao, Stabilisation of nanoscale zero-valent iron with biochar for enhanced transport and in-situ remediation of hexavalent chromium in soil, Environ. Pollut., 214 (2016) 94–100.
  16. X.-f. Tan, Y.-g. Liu, Y.-l. Gu, Y. Xu, G.-m. Zeng, X.-j. Hu, S.-b. Liu, X. Wang, S.-m. Liu, J. Li, Biochar-based nanocomposites for the decontamination of wastewater: a review, Bioresour. Technol., 212 (2016) 318–333.
  17. C. Sun, T. Chen, Q. Huang, J. Wang, S. Lu, J. Yan, Enhanced adsorption for Pb(II) and Cd(II) of magnetic rice husk biochar by KMnO4 modification, Environ. Sci. Pollut. Res., 26 (2019) 8902–8913.
  18. X.-F. Tan, S.-S. Zhu, R.-P. Wang, Y.-D. Chen, P.-L. Show, F.-F. Zhang, S.-H. Ho, Role of biochar surface characteristics in the adsorption of aromatic compounds: pore structure and functional groups, Chin. Chem. Lett., 32 (2021) 2939–2946.
  19. W. Cai, J. Wei, Z. Li, Y. Liu, J. Zhou, B. Han, Preparation of aminofunctionalized magnetic biochar with excellent adsorption performance for Cr(VI) by a mild one-step hydrothermal method from peanut hull, Colloids Surf., A, 563 (2019) 102–111.
  20. J.M. Salleh, A.B. Nor, M.Z. Othman, Synthesis and characterization of superfine nanostructure manganese dioxide spontaneously coated onto carbon nanotubes, Adv. Mater. Res., 364 (2012) 398–401.
  21. H.-Y. Wang, P. Chen, Y.-G. Zhu, K. Cen, G.-X. Sun, Simultaneous adsorption and immobilization of As and Cd by birnessiteloaded biochar in water and soil, Environ. Sci. Pollut. Res., 26 (2019) 8575–8584.
  22. J. Liang, X. Li, Z. Yu, G. Zeng, Y. Luo, L. Jiang, Z. Yang, Y. Qian, H. Wu, Amorphous MnO2 modified biochar derived from aerobically composted swine manure for adsorption of Pb(II) and Cd(II), ACS Sustainable Chem. Eng., 5 (2017) 5049–5058.
  23. S.O. Amusat, T.G. Kebede, S. Dube, M.M. Nindi, Ball-milling synthesis of biochar and biochar–based nanocomposites and prospects for removal of emerging contaminants: a review, J. Water Process Eng., 41 (2021) 101993, doi: 10.1016/j. jwpe.2021.101993.
  24. Q. Du, J. Sun, Y. Li, X. Yang, X. Wang, Z. Wang, L. Xia, Highly enhanced adsorption of Congo red onto graphene oxide/ chitosan fibers by wet-chemical etching off silica nanoparticles, Chem. Eng. J., 245 (2014) 99–106.
  25. J. Wu, T. Wang, J. Wang, Y. Zhang, W.-P. Pan, A novel modified method for the efficient removal of Pb and Cd from wastewater by biochar: enhanced the ion exchange and precipitation capacity, Sci. Total Environ., 754 (2021) 142150, doi: 10.1016/j. scitotenv.2020.142150.
  26. L.D. Puppa, M. Komárek, F. Bordas, J.-C. Bollinger, E. Joussein, Adsorption of copper, cadmium, lead and zinc onto a synthetic manganese oxide, J. Colloid Interface Sci., 399 (2013) 99–106.
  27. S. Zhu, M.A. Khan, F. Wang, Z. Bano, M. Xia, Rapid removal of toxic metals Cu2+ and Pb2+ by amino trimethylene phosphonic acid intercalated layered double hydroxide: a combined experimental and DFT study, Chem. Eng. J., 392 (2020) 123711, doi: 10.1016/j.cej.2019.123711.