References

1. H. He, L. Ma, J. Zhu, R.L. Frost, B.K.G. Theng, F. Bergaya, Synthesis of organoclays: A critical review and some unresolved issues: A critical review and some unresolved issues, Appl. Clay Sci., 100 (2014) 22–28.
2. L.B. de Paiva, A.R. Morales, F.R.V. Díaz, Organoclays: Properties, preparation and applications, Appl. Clay Sci., 42 (2008) 8–24.
3. M. Auta, B.H. Hameed, Chitosan-clay composite as highly effective and low-cost adsorbent for batch and fixed-bed adsorption of methylene blue, Chem. Eng. J., 237 (2014) 352–361.
4. Y. Xu, X. Ren, M.A. Hanna, Chitosan/clay nanocomposite film preparation and characterization, J. Appl. Polym. Sci., 99 (2005) 1684–1691.
5. Y.S. Han, S.H Lee, K.H. Choi, I. Park, Preparation and characterization of chitosan – clay nanocomposites with antimicrobial activity, J. Phys. Chem. Solids, 71 (2010) 464–467.
6. K. Lewandowska, A. Sionkowska, B. Kaczmarek, G. Furtos, Characterization of chitosan composites with various clays, Int. J. Biol. Macromol., 65 (2014) 534–541.
7. M. Rafatullah, O. Sulaiman, R. Hashim, A. Ahmad, Adsorption of methylene blue on low-cost adsorbents: A review, J. Hazard. Mater., 177 (2010) 70–80.
8. G. Stassinos, Methylene blue. The Maryland Poison Center’s, University of Marylandand School of Pharmacy, ToxTidbits, 2015.
9. Y. Bulut, H. Karaer, Adsorption of methylene blue from aqueous solution by crosslinked chitosan/bentonite composite, J. Dispers. Sci. Technol., 36 (2015) 61–67.
10. S. Ba, A. Alagui, M. Hajjaji, Retention and release of hexavalent and trivalent chromium by chitosan, olive stone activated carbon, and their blend, Environ. Sci. Pollut. Res., 25 (2018) 19585–19604.
11. J. Brugnerotto, J. Lizardi, F.M. Goycoolea, W. Arguelles-Monal, J. Desbrières, M. Rinaudo, An infrared investigation in relation with chitin and chitosan characterization, Polymer, 42 (2001) 3569–3580.
12. A. Tolaimate, J. Desbrières, M. Rhazi, A. Alagui, Contribution to the preparation of chitins and chitosans with controlled physico-chemical properties, Polymer, 44 (2003) 7939–7952.
13. M.N.V.R Kumar, A review of chitin and chitosan applications, React. Funct. Polym., 46 (2000) 1–27.
14. R.M.C. Viegas, M. Campinas, H. Costa, M.J. Rosa, How do the HSDM and Boyd’s model compare for estimating intraparticle diffusion coefficients in adsorption processes, Adsorption, 20 (2014) 737–746.
15. I. Langmuir, The adsorption of gases on plane surfaces of glass, mica and platinum, J. Am. Chem. Soc., 40 (1918) 1361–1403.
16. H. Freundlich, Über die Adsorption in Lösungen, Z. Phys. Chemie, 57 (1907) 385–470.
17. M.J. Temkin, V. Pyzhev, Recent modifications to Langmuir isotherms, Acta Physiochim USSR, 12 (1940) 217.
18. S.L.C. Ferreira, N.L. Walter, C.M. Quintella, B.B. Neto, J.M. Bosque-sendra, Doehlert matrix : a chemometric tool for analytical chemistry - review, Talanta, 63 (2004) 1061–1067.
19. D. Mathieu, R. Phan Ta Luu, Software NEMROD, Université d’Aix-Marseille III, France (1980).
20. J. Madejova, FTIR techniques in clay minerals studies: A review, Vib. Spectrosc., 31 (2003) 1–10.
21. G.M. Ndzana, L. Huang, J.B. Wang, Z.Y. Zhang, Characteristics of clay minerals in soil particles from an argillic horizon of Alfisol in central China, Appl. Clay Sci., 151 (2018) 148–156.
22. K. El Hafid, M. Hajjaji, Effects of the experimental factors on the microstructure and the properties of cured alkali-activated heated clay, Appl. Clay Sci., 116–117 (2015) 202–210.
23. W. Wang, Y. Zhao, H. Bai, T. Zhang, V. Ibarra-Galvan, S. Song, Methylene blue removal from water using the hydrogel beads of poly(vinyl alcohol)-sodium alginate-chitosan-montmorillonite, Carbohydr. Polym., 198 (2018) 518–528.
24. S. Kang, Y. Zhao, W. Wang, T. Zhang, T. Chen, H. Yi, F. Rao, S. Song, Removal of methylene blue from water with montmorillonite nanosheets/chitosan hydrogels as adsorbent, Appl. Surf. Sci., 448 (2018) 203–211.
25. H.N. Tran, S.J. You, A. Hosseini-Bandegharaei, H.P. Chao, Mistakes and inconsistencies regarding adsorption of contaminants from aqueous solutions: A critical review, Water Res., 120 (2017) 88–116.
26. M. Hajjaji, A. Beraa, Y. Coppel, R. Laurent, A.M. Caminade, Adsorption capacity of sodic-and dendrimers-modified stevensite, Clay Miner., 53(2018) 1–20.
27. M.A. Soleimani, R. Naghizadeh, A.R. Mirhabibi, F. Golestanifard, Effect of calcination temperature of the kaolin and molar Na₂O/SiO₂ activator ratio on physical and microstructural properties of metakaolin based geopolymers, Iran. J. Mater. Sci. Eng., 9 (2012) 43–51.
28. J. Cenens, R.A. Schoonheydt, Visible spectroscopy of methylene blue on hectorite, laponite B, and barasym in aqueous suspension, Clays Clay Miner., 36 (1988) 214–224.