1. S.V. Awate, N.E. Jacob, S.S. Deshpande, T.R. Gaydhankar, A.A. Belhekar, Synthesis, characterization and photo catalytic degradation of aqueous eosin over Cr containing Ti/MCM-41 and SiO2-TiO2 catalysts using visible light, J. Mol. Catal. A. Chem., 226 (2005) 149–154.
  2. A.M.D. Jesus, L.P.C. Romão, B.R. Araújo, A.S. Costa, J.J. Marques, Use of humin as an alternative material for adsorption/desorption of reactive dyes, Desalination, 274 (2011) 13–21.
  3. H.M.H. Mas Rosemal, S. Kathiresan, The removal of methyl red from aqueous solutions using banana pseudostem fibers, Am. J. Appl. Sci., 6 (2009) 1690–1700.
  4. R. Gong, Y. Ding, M. Li, C. Yang, H. Liu, Y. Sun, Utilization of powdered peanut hull as biosorbent for removal of anionic dyes from aqueous solution, Dyes Pigm., 64 (2005) 187–192.
  5. P. Senthil Kumar, S. Ramalingam, C. Senthamarai, M. Niranjanaa, P. Vijayalakshmi, S. Sivanesan, Adsorption of dye from aqueous solution by cashew nut shell: studies on equilibrium isotherm, kinetics and thermodynamics of interactions, Desalination, 261 (2010) 52–60.
  6. C.O. Neill, F.R. Hawkes, D.L. Hawkes, N.D. Lourenço, H.M. Pinheiro, W. Delée, Colour in textile effluents—sources, measurement, discharge consents and simulation: a review, J. Chem. Technol. Biotechnol., 74 (1999) 1009–1018.
  7. P. Nigam, G. Armour, I.M. Banat, D. Singh, R. Marchant, Physical removal of textile dyes from effluents and solid-state fermentation of dye-adsorbed agricultural residues, Bioresour. Technol., 72 (2000) 219–226.
  8. J.R. Easton, The Dye Maker’s View in Colour in Dye House Effluent, P. Cooper, Ed., Society of Dyers and Colorists, The Alden Press, Oxford, 1995.
  9. R. Han, D. Ding, Y. Xu, W. Zou, Y. Wang, Y. Li, L. Zou, Use of rice husk for the adsorption of congo red from aqueous solution in column mode, Bioresour. Technol., 99 (2008) 2938–2946.
  10. P.J. Halliday, S. Beszedits, Color removal from textile mill wastewaters, Can. Text. J., 103 (1986) 78.
  11. M. Neamtu, A. Yediler, I. Siminiceanu, M. Macoveanu, A. Kettrup, Decolorization of disperse red 354 azo dye in water by several oxidation processes—a comparative study, Dyes Pigm., 60 (2004) 61–68.
  12. C. Dhandapani, R. Narayanasamy, S.N. Karthick, K.V. Hemalatha, S. Selvam, P. Hemalatha, M. Suresh kumar, S. Dinesh Kirupha, Hee-Je Kim, Drastic photocatalytic degradation of methylene blue dye by neodymium doped zirconium oxide as photocatalyst under visible light irradiation, Optik, 127 (2016) 10288–10296.
  13. K. Kapdan, R. Ozturk, Effect of operating parameters on color and COD removal performance of SBR: sludge age and initial dyestuff concentration, J. Hazard. Mater., B123 (2005) 217–222.
  14. T. Anitha, P. Senthil Kumar, K. Sathish Kumar, Synthesis of nano-sized chitosan blended polyvinyl alcohol for the removal of Eosin Yellow dye from aqueous solution, J. Water Process Eng., 13 (2016) 127–136.
  15. G.S. Gupta, G. Prasad, V.N. Singh, Removal of chrome dye from aqueous solutions by mixed adsorbents: fly ash and coal, Water Res., 24 (1990) 45–50.
  16. R.K. Wahi, W.W. Yu, Y.P. Liu, M.L. Meija, J.C. Falkner, W. Nolte, V.L. Colvin, Photodegradation of Congo Red catalyzed by nanosized TiO2, J. Mol. Catal. A: Chem., 242 (2005) 48–56.
  17. V.V.B. Rao, S.R.M. Rao, Adsorption studies on treatment of textile dyeing industrial effluent by flyash, Chem. Eng. J., 116 (2006) 77–84.
  18. T. Vidhyadevi, A. Murugesan, S. Dinesh Kirupha, P. Baskaralingam, L. Ravikumar, S. Sivanesan, Adsorption of Congo red dye over pendent chlorobenzylidine rings present on polythioamide resin: kinetic and equilibrium studies, Sep. Sci.Technol., 48 (2013) 1450–1458.
  19. M.B. Amran, M.A. Zulfikar, Removal of Congo red dye by adsorption onto phyrophyllite, Int. J. Environ. Stud., 67 (2010) 911–921.
  20. C. Namasivayam, D. Kavitha, Removal of Congo Red from water by adsorption onto activated carbon prepared from coir pith, an agricultural solid waste, Dyes Pigm., 54 (2002) 47–58.
  21. L. Wang, A. Wang, Adsorption properties of Congo Red from aqueous solution onto surfactant-modified montmorillonite, J. Hazard. Mater., 160 (2008) 173–180.
  22. A.R. Binupriya, M. Sathishkumar, K. Swaminathan, C.S. Ku, S.E. Yun, Comparative studies on removal of Congo red by native and modified mycelial pellets of Trametes versicolor in various reactor modes, Bioresour. Technol., 99 (2008) 1080–1088.
  23. C. Smaranda, M. Gavrilescu, D. Bulgariu, Studies on sorption of Congo red from aqueous solution onto soil, Int. J. Environ. Res., 5 (2011) 177–188.
  24. H. Chen, J. Zhao, Adsorption study for removal of Congo red anionic dye using organo-attapulgite, Adsorption, 15 (2009) 381–389.
  25. M.A. Mumin, M.M.R. Khan, K.F. Akhter, M.J. Uddin, Potentiality of open burnt clay as an adsorbent for the removal of Congo red from aqueous solution, Int. J. Enviorn. Sci. Technol., 4 (2007) 525–532.
  26. Z. Zhang, L. Moghaddam, I.M. O’Hara, W.O.S. Doherty, Congo red adsorption by ball-milled sugarcane bagasse, Chem. Eng. J., 178 (2011) 122–128.
  27. M.C.S. Reddy, Removal of direct dye from aqueous solutions with an adsorbent made from tamarind fruit shell, an agricultural solid waste, J. Sci. Ind. Res., 65 (2006) 443–446.
  28. N. Rajamohan, Equilibrium studies on sorption of an anionic dye onto acid activated water hyacinth roots, Afr. J. Environ. Sci. Technol., 3 (2009) 399–404.
  29. T. Santhi, S. Manonmani, Malachite green removal from aqueous solution by the peel of Cucumis sativa fruit, Clean Soil Air Water, 39 (2011) 162–170.
  30. M.N. Idris, Z.A. Ahmad, M.A. Ahmad, Adsorption equilibrium of malachite green dye onto rubber seed coat based activated carbon. Int. J. Basic Appl. Sci., 11 (2011) 32–37.
  31. R. Ahmad, P.K. Mondal, Application of modified water nut carbon as a sorbent in congo red and malachite green dye contaminated wastewater remediation, Sep. Sci. Technol., 45 (2010) 394–403.
  32. S. Nethaji, A. Sivasamy, G. Thennarasu, S. Saravanan, Adsorption of malachite green dye onto activated carbon derived from Borassus aethiopum flower biomass, J. Hazard. Mater., 181 (2010) 271–280.
  33. K. Geetha, N. Velmani, P.S. Syed Shabudeen, Adsorption efficiency of ceiba pentradenta wood waste onto cationic dye removal, Int. J. Chem. Technol. Res., 8 (2015) 397–410.
  34. D. Balarak, Kinetics, isotherm and thermodynamics studies on bisphenol a adsorption using barley husk, Int. J. Chem. Technol. Res., 9 (2016) 681–690.
  35. P.R. Nirav, U.S. Prapti, K.S. Nisha, Malachite green “a cationic dye” and its removal from aqueous solution by adsorption, Appl. Water Sci., 7 (2017) 3407–3445.
  36. P. Senthil Kumar, A. Saravanan, K. Anish Kumar, R. Yashwanth, S. Visvesh, Removal of toxic zinc from water/wastewater using eucalyptus seeds activated carbon: non-linear regression analysis, IET Nanobiotechnol., 10 (2016) 244–253.
  37. A. Saravanan, P. Senthil Kumar, R. Mugilan, Ultrasonicassisted activated biomass (fishtail palm Caryota urens seeds) for the sequestration of copper ions from wastewater, Res. Chem. Intermed., 42 (2016) 3117–3146.
  38. M. Minamisawa, H. Minamisawa, S. Yoshida, N. Takai, Adsorption behavior of heavy metals on biomaterials, J. Agric. Food Chem., 52 (2004) 5606–5611.
  39. F.A. Pavan, E.C. Lima, S.L.P. Dias, A.C. Mazzocato, Methylene blue biosorption from aqueous solutions by yellow passion fruit waste, J. Hazard. Mater., 150 (2008) 703–712.
  40. M. Srinivas Kini M.B. Saidutta, V. Ramachandra Murty, Studies on biosorption of methylene blue from aqueous solutions by powdered palm tree flower (Borassus flabellifer), Int. J. Chem. Eng., 306519 (2014) 1–13.
  41. X.S. Wang, Y. Zhou, Y. Jiang, C. Sun, The removal of basic dyes from aqueous solutions using agricultural by-products, J. Hazard. Mater., 157 (2008) 374–385.
  42. A.A. Jalil, S. Triwahyono, M.R. Yaakob, Utilization of bivalve shell-treated Zea mays L. (maize) husk leaf as a low-cost biosorbent for enhanced adsorption of malachite green, Bioresour. Technol., 120 (2012) 218–224.
  43. M.N. Idris, Z.A. Ahmad, M.A. Ahmad, Adsorption equilibrium of malachite green dye onto rubber seed coat based activated carbon, Int. J. Basic Appl. Sci., 11 (2011) 32–37.
  44. C. Namasivayam, D. Prabha, M. Kumutha, Removal of direct red and acid brilliant blue dye by adsorption on to banana pith, Bioresour. Technol., 64 (1998) 77–79.
  45. M.F. Elkady, A.M. Ibrahim, M.M. Abd El-Latif, Assessment of the adsorption kinetics, equilibrium and thermodynamic for the potential removal of reactive red dye using eggshell biocomposite beads, Desalination, 278 (2011) 412–423.
  46. S. Senthilkumaar, P. Kalaamani, C.V. Subburaam, Liquid phase adsorption of crystal violet onto activated carbons derived from male flowers of coconut tree, J. Hazard. Mater., 136 (2006) 800–808.
  47. I. Langmuir, The adsorption of gases on plane surfaces of glass, mica and platinum, J. Am. Chem. Soc., 40 (1918) 1361–1403.
  48. T.W. Weber, R.K. Chakraborty, Pore and solid diffusion models for fixed bed adsorbents, J. Am. Inst. Chem. Eng., 20 (1974) 228–238.
  49. G. Bayramoglu, B. Altintas, M.Y. Arica, Adsorption kinetics and thermodynamic parameters of cationic dyes from aqueous solutions by using a new strong cation-exchange resin, Chem. Eng. J., 152 (2009) 339–346.
  50. R. Sivaraj, C. Namasivayam, K. Kadirvelu, Orange peel as an adsorbent in the removal of acid violet 17 (acid dye) from aqueous solutions, Waste Manage., 21 (2001) 105–110.
  51. H.M.F. Freundlich, Over the adsorption in solution, J. Phys. Chem., 57 (1906) 385–471.
  52. V. Tharaneedhar, P. Senthil Kumar, A. Saravanan, C. Ravikumar, V. Jaikumar, Prediction and interpretation of adsorption parameters for the sequestration of methylene blue dye from aqueous solution using microwave assisted corncob activated carbon, Sustainable. Mater. Technol., 11 (2017) 1–11.
  53. R. Jothirani, P. Senthil Kumar, A. Saravanan, Abishek S. Narayan, Abhishek Dutta, Ultrasonic modified corn pith for the sequestration of dye from aqueous solution, J. Ind. Eng. Chem., 39 (2016) 162–175.
  54. S. Suganya, P. Senthil Kumar, A. Saravanan, P. Sundar Rajan, C. Ravikumar, Computation of adsorption parameters for the removal of dye from wastewater by microwave assisted sawdust: theoretical and experimental analysis, Environ. Toxicol. Pharmacol., 50 (2017) 45–57.
  55. R. Aravindhan, N.N. Fathima, J.R. Rao, B.U. Nair, Equilibrium and thermodynamic studies on the removal of basic black dye using calcium alginate beads, Colloids Surf., A, 299 (2007) 232–238.
  56. M.J. Temkin, V. Pyzhev, Recent modifications to Langmuir isotherms, Acta Physiochim. URSS, 12 (1940) 217–222.
  57. Y. Kim, C. Kim, I. Choi, S. Rengraj, J. Yi, Arsenic removal using mesoporous alumina prepared via a templating method, Environ. Sci. Technol., 38 (2004) 924–931.
  58. P. Waranusantigula, P. Pokethitiyooka, M. Kruatrachuea, E.S. Upatham, Kinetics of basic dye (methylene blue) biosorption by giant duckweed (Spirodela polyrrhiza), Environ. Pollut., 125 (2003) 385–392.
  59. M.H. Ehrampoush, G. Ghanizadeh, M.T. Ghaneian, Equilibrium and kinetics study of reactive red 123 dye removal from aqueous solution by asdorption on eggshell, Iran. J. Environ. Health Sci. Eng., 89 (2011) 101–108.
  60. I.D. Mall, S.N. Upadhyay, Studies on treatment of basic dyes bearing wastewater by adsorptive treatment using flyash, Ind. J. Environ. Health, 92 (1998) 177–188.
  61. G. Mckay, Application of surface diffusion model to adsorption of dyes on bagasse pith, Adsorption, 4 (1998) 361–372.
  62. A.A. Inyinbor, F.A. Adekola, G.A. Olatunji, Kinetics, isotherms and thermodynamic modelling of liquid phase adsorption of Rhodamine B dye onto Raphiahookerie fruit epicarp, Water Resour. Ind., 5 (2016) 14–27.
  63. S. Lagergren, B.K. Svenska, Zur theorie der sogenannten adsorption geloester stoffe, Vetenskapsakad. Handl., 24 (1898) 1–39.
  64. Y.S. Ho, G. McKay, Pseudo-second order model for sorption processes, Process Biochem., 34 (1999) 451–465.
  65. F. Banat, A.A. Sameer, A.M. Leema, Utilization of raw and activated date pits for the removal of phenol from aqueous solution, Chem. Eng. Technol., 27 (2004) 80–86.
  66. M. Chairata, R. Saowanee, J.B. Bremnerb, V. Rattanaphani, An adsorption and kinetic study of lac dyeing on silk, Dyes Pigm., 64 (2005) 231–241.
  67. M. Ozacar, I.A. Sengil, A kinetic study of metal complex dye sorption onto pine sawdust, Process. Biochem., 40 (2005) 565–572.
  68. C. Namasivayam, M.V. Sureshkumar, Removal of chromium (VI) from water and wastewater using surfactant modified coconut coir pith as a biosorbent, Bioresour. Technol., 99 (2008) 2218–2225.
  69. A.S. Ozcan, B. Erdem, A. Ozcan, Adsorption of Acid Blue 193 from aqueous solutions onto BTMA-bentonite, Colloids Surf., A, 266 (2005) 73–81.
  70. P. Senthil Kumar, R. Gayathri, C. Senthamarai, M. Priyadharshini, P.S.A. Fernando, R. Srinath, V. Vinoth Kumar, Kinetics, mechanism, isotherm and thermodynamic analysis of adsorption of cadmium ions by surface-modified Strychnos potatorum seeds, Korean J. Chem. Eng., 29 (2012) 1752–1760.
  71. P. Senthil Kumar, R.V. Abhinaya, K. Gayathri Lashmi, V. Arthi, R. Pavithra, V. Sathyaselvabala, S. Dinesh Kirupha, S. Sivanesan, Adsorption of methylene blue dye from aqueous solution by agricultural waste: equilibrium, thermodynamics, kinetics, mechanism and process design, Colloid J., 73 (2011) 651–661.
  72. P. Senthil Kumar, R. Sivaranjanee, U. Vinothini, M. Raghavi, K. Rajasekar, K. Ramakrishnan, Adsorption of dye onto raw and surface modified tamarind seeds: isotherms, process design, kinetics and mechanism, Desal. Wat. Treat., 52 (2013) 2620–2633
  73. P. Senthil Kumar, Removal of Congo Red from aqueous solutions by neem saw dust carbon, Colloid J., 72 (2010) 703–709.
  74. K. Mohanty, D. Das, M.N. Biswas, Adsorption of phenol from aqueous solutions using activated carbons prepared from Tectona grandis sawdust by ZnCl2 activation, Chem. Eng. J., 115 (2005) 121–131.
  75. A. Ozer, G. Dursun, Removal of methylene blue from aqueous solution by dehydrated wheat bran carbon, J. Hazard. Mater., 146 (2007) 262–269.
  76. M.M. Abd El-Latif, M. Amal Ibrahim, Removal of reactive dye from aqueous solutions by adsorption onto activated carbons prepared from oak sawdust, Desal. Wat. Treat., 20 (2010) 102–113.
  77. K.V. Kumar, A. Kumaran, Removal of methylene blue by mango seed kernel powder, Biochem. Eng. J., 27 (2005) 83–93.
  78. I.A.W. Tan, A.L. Ahmad, B.H. Hameed, Adsorption isotherms, kinetics, thermodynamics and desorption studies of 2, 4, 6-trichlorophenol on oil palm empty fruit bunch-based activated carbon, J. Hazard. Mater., 164 (2009) 473–482.
  79. A. Saravanan, P. Senthil Kumar, C. Femina Carolin, S. Sivanesan, Enhanced adsorption capacity of biomass through ultrasonication for the removal of toxic cadmium ions from aquatic system: temperature influence on isotherms and kinetics, J. Hazard. Toxic Radioact. Waste, 21 (2017) 1–24.
  80. P. Senthil Kumar, Sunita J. Varjani, S. Suganya, Treatment of dye wastewater using an ultrasonic aided nanoparticle stacked activated carbon: kinetic and isotherm modelling, Bioresour. Technol., 250 (2018) 716–722.
  81. R. Malik, D.S. Ramteke, S.R.Wate, Adsorption of malachite green on groundnut shell waste based powdered activated carbon, Waste Manage., 27 (2007) 1129–1138.
  82. A.E. Vasu Studies on the removal of rhodamine B and malachite green from aqueous solutions by activated carbon, J. Chem., 5 (2008) 844–852.
  83. Y.C. Sharma, Adsorption characteristics of a low-cost activated carbon for the reclamation of colored effluents containing malachite green, J. Chem. Eng. Data, 56 (2011) 478–484.
  84. S. Nethaji, A. Sivasamy, A.B. Mandal, Adsorption isotherms, kinetics and mechanism for the adsorption of cationic and anionic dyes onto carbonaceous particles prepared from Juglans regia shell biomass, Int. J. Environ. Sci. Technol., 10 (2012) 231–242.
  85. Uma, S. Banerjee, Y.C. Sharma, Equilibrium and kinetic studies for removal of Malachite green from aqueous solution by a low cost activated carbon, J. Ind. Eng. Chem., 19 (2013) 1099–1105.