References

1. A. Jahanban-Esfahlan, R. Jahanban-Esfahlan, M. Tabibiazar, L. Roufegarinejad, R. Amarowicz, Recent advances in the use of walnut (Juglans regia L.) shell as a valuable plant-based bio-sorbent for the removal of hazardous materials, RSC Adv., 10 (2020) 7026–7047.
2. P. Monash, R. Niwas, G. Pugazhenthi, Utilization of ball clay adsorbents for the removal of crystal violet dye from aqueous solution, Clean Technol. Environ. Policy, 13 (2010) 141–151.
3. A. Mittal, J. Mittal, A. Malviya, D. Kaur, V. Gupta, Adsorption of hazardous dye crystal violet from wastewater by waste materials, J. Colloid Interface Sci., 343 (2010) 463–473.
4. E. Contreras, L. Sepúlveda, C. Palma, Valorization of agroindustrial wastes as biosorbent for the removal of textile dyes from aqueous solutions, Int. J. Chem. Eng., (2012) 1–9, doi: 10.1155/2012/679352.
5. G.K. Sarma, S. Sen Gupta, K.G. Bhattacharyya, RETRACTED: adsorption of Crystal violet on raw and acid-treated montmorillonite, K10, in aqueous suspension, J. Environ. Manage., 171 (2016) 1–10.
6. A. Adak, M. Bandyopadhyay, A. Pal, Removal of crystal violet dye from wastewater by surfactant-modified alumina, Sep. Purif. Technol., 44 (2005b) 139–144.
7. R.S. Juang, R.C. Shiau, Metal removal from aqueous solutions using chitosan-enhanced membrane filtration, J. Membr. Sci., 165 (2000) 159–167.
8. A. Garcı́a-Sánchez, E. Álvarez-Ayuso, Sorption of Zn, Cd and Cr on calcite. Application to purification of industrial wastewaters, Miner. Eng., 15 (2002) 539–547.
9. J.C. Moreno-Piraján, L. Giraldo, Heavy metal ions adsorption from wastewater using activated carbon from orange peel, E-J. Chem., 9 (2012) 926–937.
10. S. Babel, Low-cost adsorbents for heavy metals uptake from contaminated water: a review, J. Hazard. Mater., 97 (2003) 219–243.
11. M.M.R. Khan, M.W. Rahman, H.R. Ong, A.B. Ismail, C.K. Cheng, Tea dust as a potential low-cost adsorbent for the removal of crystal violet from aqueous solution, Desal. Water Treat., 57 (2015) 14728–14738.
12. S. Bentahar, A. Dbik, M.E. Khomri, N.E. Messaoudi, A. Lacherai, Adsorption of methylene blue, crystal violet and Congo red from binary and ternary systems with natural clay: kinetic, isotherm, and thermodynamic, J. Environ. Chem. Eng., 5 (2017) 5921–5932.
13. S. Lairini, K. El Mahtal, Y. Miyah, K. Tanji, S. Guissi, S. Boumchita, F. Zerrouq, The adsorption of Crystal violet from aqueous solution by using potato peels (Solanum tuberosum): equilibrium and kinetic studies, J. Mater. Environ. Sci., 8 (2017) 3252–3261.
14. X. Pang, L. Sellaoui, D. Franco, G.L. Dotto, J. Georgin, A. Bajahzar, H. Belmabrouk, A. Ben Lamine,
    A. Bonilla-Petriciolet, Z. Li, Adsorption of crystal violet on biomasses from pecan nutshell, para chestnut husk, araucaria bark and palm cactus: experimental study and theoretical modeling via monolayer and double layer statistical physics models, Chem. Eng. J., 378 (2019) 122101, doi: 10.1016/j.cej.2019.122101.
15. G. El Fawal, A. Ibrahim, M.A. Akl, Methylene blue and crystal violet dyes removal (as a binary system) from aqueous solution using local soil clay: kinetics study and equilibrium isotherms, Egypt. J. Chem., 62 (2019) 541–554.
16. C.M. Oloo, J.M. Onyari, W.C. Wanyonyi, J.N. Wabomba, V.M. Muinde, Adsorptive removal of hazardous crystal violet dye form aqueous solution using Rhizophora mucronata stembarks: equilibrium and kinetics studies, Environ. Chem. Ecotoxicol., 2 (2020) 64–72.
17. N.S. Kumar, M. Asif, M.I. Al-Hazzaa, Adsorptive removal of phenolic compounds from aqueous solutions using pine cone biomass: kinetics and equilibrium studies, Environ. Sci. Pollut. Res., 25 (2018) 21949–21960.
18. G.K. Cheruiyot, W.C. Wanyonyi, J.J. Kiplimo, E.N. Maina, Adsorption of toxic crystal violet dye using coffee husks: equilibrium, kinetics and thermodynamics study, Sci. Afr., 5 (2019) e00116, doi:10.1016/j.sciaf.2019.e00116.
19. D. Balarak, A.H. Mahvi, S. Shahbaksh, M.A. Wahab, A. Abdala, Adsorptive removal of azithromycin antibiotic from aqueous solution by Azolla filiculoides-based activated porous carbon, Nanomaterials, 11 (2021) 3281, doi: 10.3390/nano11123281.
20. M.B. Amar, K. Walha, V. Salvadó, Valorisation of pine cone as an efficient biosorbent for the removal of Pb(II), Cd(II), Cu(II), and Cr(VI), Adsorpt. Sci. Technol., (2021) 1–12, doi: 10.1155/2021/6678530.
21. E. Malkoc, Y. Nuhoglu, Fixed bed studies for the sorption of chromium(VI) onto tea factory waste, Chem. Eng. Sci., 61 (2006) 4363–4372.
22. T. Dula, K. Siraj, S.A. Kitte, Adsorption of hexavalent chromium from aqueous solution using chemically activated carbon prepared from locally available waste of bamboo (Oxytenanthera abyssinica), ISRN Environ. Chem., (2014) 1–9, doi: 10.1155/2014/438245.
23. W.M. Ibrahim, Y. Abdel Aziz, S.M. Hamdy, N.S. Gad, Comparative study for biosorption of heavy metals from synthetic wastewater by different types of marine algae, J. Biorem. Biodegrad., 9 (2018) 425, doi:10.4172/2155-6199.1000425.
24. A. Gholizadeh, M. Kermani, M. Gholami, M. Farzadkia, Kinetic and isotherm studies of adsorption and biosorption processes in the removal of phenolic compounds from aqueous solutions: comparative study, J. Environ. Health Sci. Eng., 11 (2013), doi: 10.1186/2052-336x-11-29.
25. O. Abdelwahab, N. Amin, Adsorption of phenol from aqueous solutions by Luffa cylindrica fibers: kinetics, isotherm and thermodynamic studies, Egypt. J. Aquat. Res., 39 (2013) 215–223.
26. R. Ahmad, Studies on adsorption of crystal violet dye from aqueous solution onto coniferous pinus bark powder (CPBP), J. Hazard. Mater., 171 (2009) 767–773.
27. M.R. Kulkarni, T. Revanth, A. Acharya, P. Bhat, Removal of Crystal violet dye from aqueous solution using water hyacinth: equilibrium, kinetics and thermodynamics study, Resour.-Effic. Technol., 3 (2017) 71–77.
28. A. Saeed, M. Sharif, M. Iqbal, Application potential of grapefruit peel as dye sorbent: kinetics, equilibrium and mechanism of crystal violet adsorption, J. Hazard. Mater., 179 (2010) 564–572.
29. J. Salimi, B. Kakavandi, A.A. Babaei, A. Takdastan, N. Alavi, A. Neisi, B. Ayoubi-Feiz, Modeling and optimization of nonylphenol removal from contaminated water media using a magnetic recoverable composite by artificial neural networks, Water Sci. Technol., 75 (2016) 1761–1775.
30. R. Lafi, I. Montasser, A. Hafiane, Adsorption of Congo red dye from aqueous solutions by prepared activated carbon with oxygen-containing functional groups and its regeneration, Adsorpt. Sci. Technol., 37 (2018) 160–181.
31. G.R. Mahdavinia, F. Bazmizeynabad, B. Seyyedi, κ-carrageenan beads as new adsorbent to remove crystal violet dye from water: adsorption kinetics and isotherm, Desal. Water Treat., 53 (2015) 2529–2539.
32. Q. Li, Q. Yue, Y. Su, B.Y. Gao, H.J. Sun, Equilibrium, thermodynamics and process design to minimize adsorbent amount for the adsorption of acid dyes onto cationic polymerloaded bentonite, Chem. Eng. J., 158 (2010) 489–497.
33. H. Patel, R.T. Vashi, Adsorption of crystal violet dye onto tamarind seed powder, E-J. Chem., 7 (2010) 975–984.
34. S. Patil, V. Deshmukh, S. Renukdas, N. Patel, Kinetics of adsorption of crystal violet from aqueous solutions using different natural materials, Int. J. Environ. Sci., 1 (2011) 1116–11134.
35. G.K. Nagda, V.S. Ghole, Utilization of lignocellulosic waste from bidi industry for removal of dye from aqueous solution, Int. J. Environ. Res., 2 (2008) 385–390.
36. P. Saha, S. Chakraborty, S. Chowdhury, Batch and continuous (fixed-bed column) biosorption of crystal violet by Artocarpus heterophyllus (jackfruit) leaf powder, Colloids Surf., B, 92 (2012) 262–270.
37. S. Neupane, S. Ramesh, R. Gandhimathi, P. Nidheesh, Pineapple leaf (Ananas comosus) powder as a biosorbent for the removal of crystal violet from aqueous solution, Desal. Water Treat., 54 (2014) 2041–2054.
38. P.V. Nidheesh, R. Gandhimathi, S.T. Ramesh, T.S. Anantha Singh, Adsorption and desorption characteristics of crystal violet in bottom ash column, J. Urban Environ. Eng., 6 (2012) 18–29.