1. K.G. Pavithra, P.S. Kumar, V. Jaikumar, P.S. Rajan, Removal of colorants from wastewater: a review on sources and treatment strategies, J. Ind. Eng. Chem., 75 (2019) 1–19.
  2. D. Sivakumar, R. Parthiban, P.S. Kumar, A. Saravanan, Synthesis and characterization of ultrasonic-assisted Delonix regia seeds: modelling and application in dye adsorption, Desal. Water Treat., 173 (2020) 427–441.
  3. J.W. Lee, S.P. Choi, R. Thiruvenkatachari, W.G. Shim, H. Moon, Evaluation of the performance of adsorption and coagulation processes for the maximum removal of reactive dyes, Dyes Pigm., 69 (2006)196–203.
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  5. J. Gülen, M. Iskeceli, Removal of methylene blue by using porous carbon adsorbent prepared from carbonized chestnut shell, Mater. Testing, 59 (2017) 188–194.
  6. P.S. Kumar, P.S.A. Fernando, R.T. Ahmed, R. Srinath, M. Priyadharshini, A.M. Vignesh, A. Thanjiappan, Effect of temperature on the adsorption of methylene blue dye onto sulfuric acid–treated orange peel, Chem. Eng. Commun., 201 (2014) 1526–1547.
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  8. A. Saravanan, P.S. Kumar, P.R. Yaashikaa, S. Kanmani, R.H. Varthine, C.M.M. Muthu, D. Yuvaraj, Modelling on the removal of dye from industrial wastewater using surface improved Enteromorpha intestinalis, Environ. Res., 13 (2019) 349–366.
  9. P.S. 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. Water Treat., 52 (2014) 2620–2633.
  10. P.S. Kumar, J. Pavithra, S. Suriya, M. Ramesh, K.A. Kumar, Sargassum wightii, a marine alga is the source for the production of algal oil, bio-oil, and application in the dye wastewater treatment, Desal. Water Treat., 55 (2015) 1342–1358.
  11. A. Saravanan, S. Karishma, S. Jeevanantham, S. Jeyasri, A.R. Kiruthika, P.S. Kumar, P.R. Yaashikaa, Optimization and modeling of reactive yellow adsorption by surface modified Delonix regia seed: study of nonlinear isotherm and kinetic parameters, Surf. Interfaces, 20 (2020) 100520.
  12. P.S. Kumar, S.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.
  13. C. Senthamarai, P.S. Kumar, M. Priyadharshini, P. Vijayalakshmi, V.V. Kumar, P. Baskaralingam, K.V. Thiruvengadaravi, S. Sivanesan, Adsorption behavior of methylene blue dye onto surface modified Strychnos potatorum seeds, Environ. Prog. Sustainable Energy, 32 (2013) 624–632.
  14. V. Tharaneedhar, P.S. 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.
  15. S. Suganya, P.S. Kumar, A. Saravanan, P.S. 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.
  16. L.D. Prola, F.M. Machado, C.P. Bergmann, F.E. De Souza, C.R. Gally, E.C. Lima, M.A. Adebayo, S.L. Dias, T. Calvete, Adsorption of Direct blue 53 dye from aqueous solutions by multi-walled carbon nanotubes and activated carbon, J. Environ. Manage., 130 (2013)166–175.
  17. L.D.T. Prola, E.C. Acayanka, C.S. Lima, C.S. Umpierres, J.C.P. Vaghetti, W.O. Santios, S. Laminsi, P.T. Djifon, Comparison of Jatropha curcas shells in natural form and treated by nonthermal plasma as biosorbents for removal of Reactive red 120 textile dye from aqueous solution, Ind. Crop. Prod., 46 (2013) 328–340.
  18. S. Suganya, P.S. Kumar, Kinetic and thermodynamic analysis for the redemption of effluents containing Solochrome black T onto powdered activated carbon: a validation of new solidliquid phase equilibrium model, J. Mol. Liq., 259 (2018) 88–101.
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  29. O. Hernandez-Melendez, J. Peydecastaing, E. Barzana, C. Vaca-Garcia, M. Hernandez-Luna, M.E. Borredon, Graft polymerization of wood sawdust and peat with ethylene carbonate. A novel method for the preparation of supports with enhanced mechanical properties to be used in biofiltration of organic vapors, Bioresour. Technol., 100 (2009) 737–743.
  30. K. Nibedita, C. Vidhi, K.B. Anil, Bionanowhiskers from jute: preparation and characterization, Carbohydr. Polym., 92 (2013) 1116–1123.
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  32. S. Chakravarty, A. Mohanty, T.N. Sudha, A.K. Upadhyay, J. Konar, J.K. Sircar, A. Madhukar, K.K. Gupta, Removal of Pb(II) ions from aqueous solution by adsorption using bael leaves (Aegle marmelos), J. Hazard. Mater., 173 (2010) 502–509.
  33. U.J. Etim, S.A. Umoren, U.M. Eduok, Coconut coir dust as a low cost adsorbent for the removal of cationic dye from aqueous solution, J. Saudi Chem. Soc., 9 (2012) 12–18.
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  36. D. Lucio, D. Laurent, G. Roger, Adsorption of remazol black dye on activated carbon felt, Carbon Sci. Technol., 1 (2008) 66–71.
  37. G. Manikandan, P.S. Kumar, A. Saravanan, Modelling and analysis on the removal of methylene blue dye from aqueous solution using physically/chemically modified Ceiba pentandra seeds, J. Ind. Eng. Chem., 62 (2018) 446–461.
  38. A.A. Renita, P.S. Kumar, S.A. Jabasingh, Redemption of acid fuchsin dye from wastewater using de-oiled biomass: kinetics and isotherm analysis, Bioresour. Technol. Rep., 7 (2019), doi: 10.1016/j.biteb.2019.100300.
  39. P.S. 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.
  40. P.S. Kumar, S. Ramalingam, K. Sathishkumar, Removal of methylene blue dye from aqueous solution by activated carbon prepared from cashew nut shell as a new low-cost adsorbent, Korean J. Chem. Eng., 28 (2011) 149–155.
  41. B.H. Hameed, I.A.W. Tan, A.L. Ahmad, Adsorption isotherm, kinetic modeling and mechanism of 2,4,6-trichlorophenol on coconut husk-based activated carbon, Chem. Eng. J., 144 (2008) 235–244.
  42. M. Naushad, A.A. Alqadami, Z.A. AlOthman, I.H. Alsohaimi, M.S. Algamdi, A.M. Aldawsari, Adsorption kinetics, isotherm and reusability studies for the removal of cationic dye from aqueous medium using arginine modified activated carbon, J. Mol. Liq., 293 (2019), doi: 10.1016/j.molliq.2019.111442.
  43. R.V. Hemavathy, P.S. Kumar, K. Kanmani, N. Jahnavi, Adsorptive separation of Cu(II) ions from aqueous medium using thermally/chemically treated Cassia fistula based biochar, J. Cleaner Prod., 249 (2020), doi: 10.1016/j.jclepro.2019.119390.
  44. E. Gunasundari, P.S. Kumar, Adsorption isotherm, kinetics and thermodynamic analysis of Cu(II) ions onto the dried algal biomass (Spirulina platensis), J. Ind. Eng. Chem., 56 (2017) 129–144.
  45. S. Suganya, P.S. Kumar, Influence of ultrasonic waves on preparation of active carbon from coffee waste for the reclamation of effluents containing Cr(VI) ions, J. Ind. Eng. Chem., 60 (2018) 418–430.
  46. M.A. Islam, I.A.W. Tan, A. Benhouria, M. Asif, B.H. Hameed, Mesoporous and adsorptive properties of palm date seed activated carbon prepared via sequential hydrothermal carbonization and sodium hydroxide activation, Chem. Eng. J., 270 (2015) 187–195.