References

  1. S.-Y. Lee, H.-J. Choi, Persimmon leaf bio-waste for adsorptive removal of heavy metals from aqueous solution, J. Environ. Manage., 209 (2018) 382–392.
  2. S.-W. Yu, H.-J. Choi, Application of hybrid bead, persimmon leaf and chitosan for the treatment of aqueous solution contaminated with toxic heavy metal ions, Water Sci. Technol., 78 (2018) 837–847.
  3. S. Basu, G. Ghosh, S. Saha, Adsorption characteristics of phosphoric acid induced activation of bio-carbon: equilibrium, kinetics, thermodynamics and batch adsorber design, Process Saf. Environ. Prot., 117 (2018) 125–142.
  4. Y. Dai, Q. Sun, W. Wang, L. Lu, M. Liu, J. Li, S. Yang, Y. Sun, K. Zhang, J. Xu, W. Zheng, Z. Hu, Y. Yang, Y. Gao,
    Y. Chen, X. Zhang, F. Gao, Y. Zhang, Utilizations of agricultural waste as adsorbent for the removal of contaminants: a review, Chemosphere, 211 (2018) 235–253.
  5. C.O. Thompson, A.O. Ndukwe, C.O. Asadu, Application of activated biomass waste as an adsorbent for the removal of lead(II) ion from wastewater, Emerging Contam., 6 (2020) 259–267.
  6. Y. Li, M. Wu, B. Wang, Y. Wu, M. Ma, X. Zhang, Synthesis of magnetic lignin-based hollow microspheres:
    a highly adsorptive and reusable adsorbent derived from renewable resources, ACS Sustainable Chem. Eng., 4 (2016) 5523–5532.
  7. N. Supanchaiyamat, K. Jetsrisuparb, J.T.N. Knijnenburg, D.C.W. Tsang, A.J. Hunt, Lignin materials for adsorption: current trend, perspectives and opportunities, Bioresour. Technol., 272 (2019) 570–581.
  8. S. Zhu, J. Xu, Y. Kuang, Z. Cheng, Q. Wu, J. Xie, B. Wang, W. Gao, J. Zeng, J. Li, K. Chen, Lignin-derived sulfonated porous carbon from cornstalk for efficient and selective removal of cationic dyes, Ind. Crops Prod., 159 (2021) 113071, doi: 10.1016/j. indcrop.2020.113071.
  9. G.A.O. Weijue, J.P.W. Inwood, P. Fatehi, Sulfonation of hydroxymethylated lignin and its application, J. Bioresour. Bioprod., 4 (2019) 80–88.
  10. A. Ämmälä, O. Laitinen, J.A. Sirviö, H. Liimatainen, Key role of mild sulfonation of pine sawdust in the production of lignin containing microfibrillated cellulose by ultrafine wet grinding, Ind. Crops Prod., 140 (2019) 111664, doi: 10.1016/j. indcrop.2019.111664.
  11. Y.-G. Park, K.-T. Kim, Selective separation of various heavy metals from synthesized phosphoric acid solutions, J. Ind. Eng. Chem., 95 (2021) 267–276.
  12. H. Zhuang, Y. Zhong, L. Yang, Adsorption equilibrium and kinetics studies of divalent manganese from phosphoric acid solution by using cationic exchange resin, Chin. J. Chem. Eng., 28 (2020) 2758–2770.
  13. N.V. Sych, S.I. Trofymenko, O.I. Poddubnaya, M.M. Tsyba, V.I. Sapsay, D.O. Klymchuk, A.M. Puziy, Porous structure and surface chemistry of phosphoric acid activated carbon from corncob, Appl. Surf. Sci., 261 (2012) 75–82.
  14. Q.-S. Liu, T. Zheng, P. Wang, L. Guo, Preparation and characterization of activated carbon from bamboo by microwave-induced phosphoric acid activation, Ind. Crops Prod., 31 (2010) 233–238.
  15. N. Zhou, H. Chen, Q. Feng, D. Yao, H. Chen, H. Wang, Z. Zhou, H. Li, Y. Tian, X. Lu, Effect of phosphoric acid on the surface properties and Pb(II) adsorption mechanisms of hydrochars prepared from fresh banana peels, J. Cleaner Prod., 165 (2017) 221–230.
  16. W.-l. Xiong, J. Zhang, J.-x. Yu, R.-a. Chi, Competitive adsorption behavior and mechanism for Pb2+ selective removal from aqueous solution on phosphoric acid modified sugarcane bagasse fixed-bed column, Process Saf. Environ. Prot., 124 (2019) 75–83.
  17. Q. Yang, P. Wu, J. Liu, S. Rehman, Z. Ahmed, B. Ruan, N. Zhu, Batch interaction of emerging tetracycline contaminant with novel phosphoric acid activated corn straw porous carbon: adsorption rate and nature of mechanism, Environ. Res., 181 (2020) 108899, doi: 10.1016/j.envres.2019.108899.
  18. A.H. Jawad, R.A. Rashid, M.A.M. Ishak, L.D. Wilson, Adsorption of methylene blue onto activated carbon developed from biomass waste by H2SO4 activation: kinetic, equilibrium and thermodynamic studies, Desal. Water Treat., 57 (2016) 25194–25206.
  19. H.E. Osman, R.K. Badwy, H.K. Ahmad, Usage of some agricultural by-products in the removal of some heavy metals from industrial wastewater, J. Phytol. Res., 2 (2010) 51–62.
  20. H.J. Choi, Surface modification of sulfuric acid-activated lignocellulose-based material for recovery of Ca, K, Mg, and Na from seawater, Desal. Water Treat., 233 (2021) 118-132, doi: 10.5004/dwt.2021.27525.
  21. S. Pu, Z. Zhu, W. Song, H. Wang, W. Huo, J. Zhang, A novel acidic phosphoric-based geopolymer binder for lead solidification/ stabilization, J. Hazard. Mater., 415 (2021) 125659, doi: 10.1016/j. jhazmat.2021.125659.
  22. H.-J. Choi, Assessment of the adsorption kinetics, equilibrium, and thermodynamic for Pb(II) removal using a low‐cost hybrid biowaste adsorbent, eggshell/coffee ground/sericite, Water Environ. Res., 91 (2019) 1600–1612.
  23. J.C. Gómora-Hernández, M. del C. Carreño-de-León, N. Flores-Alamo, M. del C. Hernández-Berriel,
    S.M. Fernández-Valverde, Kinetic and thermodynamic study of corncob hydrolysis in phosphoric acid
    with a low yield of bacterial inhibitors, Biomass Bioenergy, 143 (2020) 105830,
    doi: 10.1016/j. biombioe.2020.105830.
  24. R.V. Hemavathy, A. Saravanan, P. Senthil Kumar, Dai-Viet N Vo, S. Karishma, S. Jeevanantham, Adsorptive removal of Pb(II) ions onto surface modified adsorbents derived from Cassia fistula seeds: optimization and modelling study, Chemosphere, 283 (2021) 131276, doi: 10.1016/j.chemosphere.2021.131276.
  25. Q. Jiang, W. Xie, S. Han, Y. Wang, Y. Zhang, Enhanced adsorption of Pb(II) onto modified hydrochar by polyethyleneimine or H3PO4: an analysis of surface property and interface mechanism, Colloids Surf., A, 583 (2019) 123962, doi: 10.1016/j. colsurfa.2019.123962.
  26. D. Harikishore Kumar Reddy, K. Seshaiah, A.V.R. Reddy, M. Madhava Rao, M.C. Wang, Biosorption of Pb2+ from aqueous solutions by Moringa oleifera bark: equilibrium and kinetic studies, J. Hazard. Mater., 174 (2010) 831–838.
  27. G.E. Sharaf El-Deen, S.E.A. Sharaf El-Deen, Kinetic and isotherm studies for adsorption of Pb(II) from aqueous solution onto coconut shell activated carbon, Desal. Water Treat., 57 (2016) 28910–28931.
  28. H. Amer, A. El-Gendy, S. El-Haggar, Removal of lead(II) from aqueous solutions using rice straw, Water Sci. Technol., 76 (2017) 1011–1021.
  29. A. Shahat, Md. Rabiul Awual, A. Khaleque, Z. Alam, Mu. Naushad, A.M. Sarwaruddin Chowdhury, Large-pore diameter nano-adsorbent and its application for rapid lead(II) detection and removal from aqueous media, Chem. Eng. J., 273 (2015) 286–295.
  30. Md. Rabiul Awual, Md. Munjur Hasan, A. Shahat, Functionalized novel mesoporous adsorbent for selective lead(II) ions monitoring and removal from wastewater, Sens. Actuators, B, 203 (2014) 854–863.
  31. Mu. Naushad, Z.A. ALOthman, Md. Rabiul Awual, Dr. Mohammad Mezbaul Alam, G. El-Baz El-Desoky, Adsorption kinetics, isotherms and thermodynamic studies for the adsorption of Pb2+ and Hg2+ metal ions from aqueous medium using Ti(IV) iodovanadate cation exchanger, Ionics, 21 (2015) 2237–2245.
  32. V.S. Munagapati, V. Yarramuthi, S.K. Nadavala, S.R. Alla, K. Abburi, Biosorption of Cu(II), Cd(II) and Pb(II) by Acacia leucocephala bark powder: kinetics, equilibrium and thermodynamics, Chem. Eng. J., 157 (2010) 357–365.
  33. M.F. Cheira, M.N. Rashed, A.E. Mohamed, G.M. Hussein, M.A. Awadallah, Removal of some harmful metal ions from wet-process phosphoric acid using murexide-reinforced activated bentonite, Mater. Today Chem., 14 (2019) 100176, doi: 10.1016/j.mtchem.2019.06.002.
  34. A. Özer, Removal of Pb(II) ions from aqueous solutions by sulphuric acid-treated wheat bran, J. Hazard. Mater., 141 (2007) 753–761.
  35. Y. Luo, X. Chen, Z. Zhao, X. Liu, J. Li, L. He, F. Sun, Pressure leaching of wolframite using a sulfuric-phosphoric acid mixture, Miner. Eng., 169 (2021) 106941, doi: 10.1016/j. mineng.2021.106941.
  36. A.M. Soliman, H.M. Elwy, T. Thiemann, Y. Majedi, F.T. Labata, N.A.F. Al-Rawashdeh, Removal of Pb(II) ions from aqueous solutions by sulphuric acid-treated palm tree leaves, J. Taiwan Inst. Chem. Eng., 58 (2016) 246–273.
  37. H. Zeng, H. Zeng, H. Zhang, A. Shahab, K. Zhang, Y. Lu, I. Nabi, F. Naseem, H. Ullah, Efficient adsorption of Cr(VI) from aqueous environments by phosphoric acid activated eucalyptus biochar, J. Cleaner Prod., 286 (2021) 124964, doi: 10.1016/j. jclepro.2020.124964.
  38. J. Wolska, J. Walkowiak-Kulikowska, On the sulfonation of fluorinated aromatic polymers: synthesis, characterization and effect of fluorinated side groups on sulfonation degree, Eur. Polym. J., 129 (2020) 109635, doi: 10.1016/j. eurpolymj.2020.109635.
  39. X. Leng, Y. Zhong, D. Xu, X. Wang, L. Yang, Mechanism and kinetics study on removal of iron from phosphoric acid by cation exchange resin, Chin. J. Chem. Eng., 27 (2019) 1050–1057.