1. V. Golob, A. Vinder, M. Simonič, Efficiency of the coagulation/flocculation method for the treatment of dye bath effluents, Dyes Pigm., 67 (2005) 93–97.
  2. S.S. Azhar, Dye removal from aqueous solution by using adsorption on treated sugarcane bagasse, Am. J. Appl. Sci., 2 (2005) 1499–1503.
  3. G. Annadurai, L.Y. Ling, J.-F. Lee, Adsorption of reactive dye from an aqueous solution by chitosan: isotherm, kinetic and thermodynamic analysis, J. Hazard. Mater., 152 (2008) 337–346.
  4. M. Tabatabaee, S.A. Mirrahimi, Photo degradation of dye pollutant on Ag/ZnO nanocatalyst under UV-irradiation, Orient J. Chem., 27 (2011) 65.
  5. Z. Zhang, Role of particle size in nanocrystalline TiO2-based photo catalysts, J. Phys. Chem. B., 102 (1998) 10871–10878.
  6. S. Abbasizadeh, A.R. Keshtkar, M.A. Mousavian, Sorption of heavy metal ions from aqueous solution by a novel cast PVA/TiO2 nanohybrid adsorbent functionalized with a mine groups, J. Ind. Eng. Chem., 20 (2014) 1656–1664.
  7. S. Abbasizadeh, A.R. Keshtkar, M.A. Mousavian, Preparation of a novel electro spun polyvinyl alcohol/titanium oxide nanofiber adsorbent modified with mercapto groups for uranium (VI) and thorium (IV) removal from aqueous solution, Chem. Eng. J., 220 (2013) 161–171.
  8. W. Cheung, Y. Szeto, G. McKay, Intra particle diffusion processes during acid dye adsorption onto chitosan, Bioresour. Technol., 98 (2007) 2897–2904.
  9. G.Z. Kyzas, Synthesis and adsorption application of succinyl-grafted chitosan for the simultaneous removal of zinc and cationic dye from binary hazardous mixtures, Chem. Eng. J., 259 (2015) 438–448.
  10. W.S. Wan Ngah, L.C. Teong, M.A.K.M. Hanafiah, Adsorption of dyes and heavy metal ions by chitosan composites: A review, Carbohyd. Polym., 83 (2011) 1446–1456.
  11. Y. Tao, Removal of Pb (II) from aqueous solution on chitosan/TiO2 hybrid film, J. Hazard. Mater., 161 (2009) 718–722.
  12. A. Nithya, K. Jothivenkatachalam, Visible light assisted TiO2-chitosan composite for removal of reactive dye, J. Environ. Nanotechnol., 3 (2014) 20–26.
  13. Z. Zainal, Characterization of TiO2–chitosan/glass photocatalyst for the removal of a monoazo dye via photo degradation–adsorption process, J. Hazard. Mater., 164 (2009) 138–145.
  14. M.H. Farzana, S. Meenakshi, Synergistic effect of chitosan and titanium dioxide on the removal of toxic dyes by the photo degradation technique, Ind. Eng. Chem. Res., 53 (2013) 55–63.
  15. A. Özcan, Modification of bentonite with a cationic surfactant: an adsorption study of textile dye Reactive Blue 19, J. Hazard. Mater., 140 (2007) 173–179.
  16. Q. Baocheng, Adsorption behavior of Azo Dye CI Acid Red 14 in aqueous solution on surface soils, J. Environ. Sci., 20 (2008) 704–709.
  17. Z. Zakaria, Mechanical properties and morphological characterization of PLA/chitosan/epoxidized natural rubber composites, Adv. Mater. Sci. Eng., (2013).
  18. D. Jeevitha, K. Amarnath, Chitosan/PLA nanoparticles as a novel carrier for the delivery of anthraquinone: synthesis, characterization and in vitro cytotoxicity evaluation, Colloids Surf. B., 101 (2013) 126–134.
  19. N.E. Suyatma, Compatibilization method applied to the chitosan-acid poly (L‐lactide) solution, J. Appl. Polym. Sci., 117 (2010) 3083–3091.
  20. C.-C. Tsai, H. Teng, Structural features of nanotubes synthesized from NaOH treatment on TiO2 with different post-treatments, Chem. Mater., 18 (2006) 367–373.
  21. R. Zarate, Structural characterization of single crystals of sodium titanate nanowires prepared by hydrothermal process, J. Cryst. Growth, 310 (2008) 3630–3637.
  22. J. Ramı́rez-Salgado, E. Djurado, P. Fabry, Synthesis of sodium titanate composites by sol-gel method for use in gas potentiometric sensors, J. Eur. Ceram. Soc., 24 (2004) 2477–2483.
  23. J. Kumirska, Application of spectroscopic methods for structural analysis of chitin and chitosan, Mar. Drugs, 8 (2010) 1567–1636.
  24. R. Ramya, P. Sudha, J. Mahalakshmi, Preparation and characterization of chitosan binary blend, Int. J. Sci. Res. Publ., 2 (2012) 1–9.
  25. A. Çay, M. Miraftab, E.P.A. Kumbasar, Characterization and swelling performance of physically stabilized electro spun poly (vinyl alcohol)/chitosan nanofibres, Eur. Polym. J., 61 (2014) 253–262.
  26. A.M. Peiró, Low-temperature deposition of TiO2 thin films with photocatalytic activity from colloidal anatase aqueous solutions, Chem. Mater., 13(8) (2001) 2567–2573.
  27. H. Homayoni, S.A.H. Ravandi, M. Valizadeh, Electro spinning of chitosan nanofibers: Processing optimization, Carbohydr. Polym., 77 (2009) 656–661.
  28. L. Yang, Swelling induced regeneration of TiO2-impregnated chitosan adsorbents under visible light, Carbohydr. Polym., 140 (2016) 433–441.
  29. M. Kumar, R. Tamilarasan, V. Sivakumar, Adsorption of Victoria blue by carbon/Ba/alginate beads: Kinetics, thermodynamics and isotherm studies, Carbohydr. Polym., 98 (2013) 505–513.
  30. O. Ozdemir, Comparison of the adsorption characteristics of azo-reactive dyes on mezoporous minerals, Dyes Pigm., 62 (2004) 49–60.
  31. C.E. Zubieta, Reactive dyes remotion by porous TiO2-chitosan materials, J. Hazard. Mater., 152 (2008) 765–777.
  32. M. Greluk, Z. Hubicki, Kinetics, isotherm and thermodynamic studies of Reactive Black 5 removal by acid acrylic resins, Chem. Eng. J., 162 (2010) 919–926.
  33. H. Yang, Q. Feng, Characterization of pore-expanded amino-functionalized mesoporous silicas directly synthesized with dimethyldecylamine and its application for decolorization of sulphonated azo dyes, J. Hazard. Mater., 180 (2010) 106–114.
  34. H. Zhang, Adsorption of iodide ions on a calcium alginate–silver chloride composite adsorbent, Colloids Surf. A Physicochem. Eng. Asp., 386 (2011) 166–171.
  35. L. Yang, Swelling induced regeneration of TiO2-impregnated chitosan adsorbents under visible light, Carbohydr. Polym., 140 (2016) 433–441.
  36. S. Chatterjee, Congo red adsorption from aqueous solutions by using chitosan hydro gel beads impregnated with nonionic or anionic surfactant, Bioresour. Technol., 100 (2009) 3862–3868.
  37. S. Chatterjee, Enhanced adsorption of congo red from aqueous solutions by chitosan hydro gel beads impregnated with cetyl trimethyl ammonium bromide, Bioresour. Technol., 100 (2009) 2803–2809.
  38. Q. Du, 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.
  39. A. Zúñiga-Zamora, J. Garcia-Mena, E. Cervantes-González, Removal of congo red from the aqueous phase by chitin and chitosan from waste shrimp, Desal. Water Treat., 57 (2016) 14674–14685.
  40. T. Şişmanoğlu, G. Pozan, Adsorption of congo red from aqueous solution using various TiO2 nanoparticles, Desal. Water Treat., 57 (2016) 13318–13333.