1. M. Brigante, P.C. Schulz, Adsorption of paraquat on mesoporous silica modified with titania: Effects of pH, ionic strength and temperature, J. Colloid Interface Sci., 363 (2011) 355–361.
  2. M.S.F. Santos, G. Schaule, A. Alves, L.M. Madeira, Adsorption of paraquat herbicide on deposits from drinking water networks, Chem. Eng. J., 229 (2013) 324–333.
  3. W.T. Tsai, H.R. Chen, Adsorption kinetics of herbicide paraquat in aqueous solution onto a low-cost adsorbent, swine-manure- derived biochar, Int. J. Environ. Sci. Technol., 10 (2013) 1349–1356.
  4. K.M. Ibrahim, H.A. Jbara, Removal of paraquat from synthetic wastewater using phillip site–faujasite tuff from Jordan, J. Hazard. Mater., 163(1) (2009) 82–86.
  5. W.T. Tsai, C.W. Lai, K.J. Hsien, Adsorption kinetics of herbicide paraquat from aqueous solution onto activated bleaching earth, Chemosphere, 55(2004) 829–837.
  6. S.K. Deokar, G.S. Bajad, P. Bhonde, R.P. Vijayakumar, S.A. Mandavgane, Adsorptive removal of diuron herbicide on carbon nanotubes synthesized from plastic waste, J. Polym. Environ., (2016) 1–11.
  7. W.T. Tsai, M.F. Hsieh, H.F. Sun, S. F. Chien, H. P. Chen, Adsorption of paraquat onto activated bleaching earth, Bull Environ. Contam. Toxicol., 69 (2002) 189–194.
  8. K. Esumi, Y. Takeda, Y. Koide, Competitive adsorption of cationic surfactant and pesticide on laponite, Colloids Surf. A., 135 (1998) 59–62.
  9. M. Brigante, G. Zanini, M. Avena, Effect of humic acids on the adsorption of paraquat by goethite, J. Hazard. Mater., 184 (2010) 241–247.
  10. K.C. Kemp, S.B. Baek, W.G. Lee, M. Meyyappan, K.S. Kim, Activated carbon derived from waste coffee grounds for stable methane storage, Nanotechnology, 26 (2015) 1–8.
  11. W.T. Tsai, C.W. Lai, K.J. Hsien, Effect of particle size of activated clay on the adsorption of paraquat from aqueous solution, J. Colloid. Interface. Sci., 263(2003) 29–34.
  12. W.T. Tsai, C.W. Lai, Adsorption of herbicide paraquat by clay mineral regenerated from spent bleaching earth, J. Hazard. Mater. B., 134 (2006) 144–148.
  13. Y. Seki, K. Yurdakoc, Paraquat adsorption onto clays and organoclays from aqueous solution, J. Colloid. Interface. Sci., 287 (2005) 1–5.
  14. Z.Z. Chowdhury, W.A. Yehye, N.M. Julkapli, M.A.H. AlSaadi, M.A. Atieh, Application of graphitic bio-carbon using twolevel factorial design for microwave-assisted carbonization, BioResources, 11(2) (2016) 3637–3659.
  15. G.A. Adebisi, Z.Z. Chowdhury, S.B.A. Hamid, E. Ali, Hydrothermally treated banana empty fruit bunch fiber activated carbon for Pb(II) and Zn(II) removal, BioResources, 11(4) (2016) 9686–9709.
  16. Z.Z. Chowdhury, S.A. Hamid, M.M. Rahman, R.F. Rafique, Catalytic activation and application of micro-spherical carbon derived from hydrothermal carbonization of lingo cellulosic biomass: statistical analysis using Box–Behnken design, RSC Advances, 6(104) (2016) 102680–102694.
  17. S.K. Deokar, S.A. Mandavgane, Estimation of packed bed parameters and prediction of breakthrough curves for adsorptive removal of 2, 4-dichloro phenoxy acetic acid using rice husk ash, J. Environ. Chem. Eng., 3 (2015) 1827–1836.
  18. V.C. Srivastava, B. Prasad, I.M. Mishra, I.D. Mall, M.M. Swamy, Prediction of breakthrough curves for sorptive removal of phenol by bagasse fly ash packed bed, Ind. Eng. Chem. Res., 47(5) (2008) 1603–1613.
  19. S.K. Deokar, S.A. Mandavgane, B.D. Kulkarni, Comparative evaluation of packed-bed performance of biomass ashes as adsorbents for removal of diuron from aqueous solution, Desal. Water Treat., 57(59) (2016) 28831–28846.
  20. M. Brigante, M. Avena, Synthesis, characterization and application of a hexagonal mesoporous silica for pesticide removal from aqueous solution, Micropor. Mesopor. Mater., 191 (2014) 1–9.
  21. S.K. Deokar, S.A. Mandavgane, B.D. Kulkarni, Behaviour of biomass multicomponent ashes as adsorbents, Current Sci., 110 (2016) 180–186.
  22. M. Tsukada, H. Yamada, H. Kamiya, Analysis of biomass combustion ash behavior at elevated temperatures, Adv. Powder Technol., 14(6) (2003) 707–717.
  23. R. Han, Y. Wang, X. Zhao, Y. Wang, F. Xie, J. Cheng, M. Tang, Adsorption of methylene blue by phoenix tree leaf powder in a fixed-bed column: experiments and prediction of breakthrough curves, Desalination, 245 (2009) 284–297.
  24. S. Sadaf, H.N. Bhatti, Evaluation of peanut husk as a novel, low cost biosorbent for the removal of Indosol Orange RSN dye from aqueous solutions: batch and fixed bed studies, Clean Techn. Environ. Policy, 16 (2014) 527–544.
  25. R. Han, Y. Wang, W. Yu, W. Zou, J. Shi, H. Liu, Biosorption of methylene blue from aqueous solution by rice husk in a fixedbed column, J. Hazard. Mater., 141 (2007) 713–718.
  26. S.K. Deokar, S.A. Mandavgane, B.D. Kulkarni, Adsorptive removal of 2, 4-dichloro phenoxy acetic acid from aqueous solution using bagasse fly ash as adsorbent in batch and packed-bed techniques, Clean Techno. Environ. Policy, 18 (2016) 1971–1983.
  27. C. Sukumar, V. Janaki, K. Vijayaraghavan, S.K. Kannan, K. Shanthi, Removal of Cr(VI) using co-immobilized activated carbon and Bacillus subtilis: fixed-bed column study, Clean Techn. Environ. Policy, (2016) 1–8. DOI 10.1007/s10098-016-1203-2.
  28. S.K. Deokar, S.A. Mandavgane, B.D. Kulkarni, Agro-industrial waste: a low cost adsorbent for effective removal of 4-chloro-2-methylphenoxyacetic acid herbicide in batch and packed bed modes, Environ. Sci. Pollut. Res., 23 (2016) 16164– 16175.
  29. C.B. Lopes, E. Pereira, Z. Lin, P. Pato, M. Otero, C.M. Silva, A.C. Duarte, Fixed-bed removal of Hg2+ from contaminated water by microporous titano silicate ETS-4: Experimental and theoretical breakthrough curves, Micropor. Mesopor. Mater., 145 (2011) 32–40.
  30. M. Jahangiri-rad, A. Jamshidi, M. Rafiee, R. Nabizadeh, Adsorption performance of packed bed column for nitrate removal using PAN-oxime-nanoFe2O3, J. Environ. Health Sci. Eng., 12(1) (2014) 1–5.
  31. P.V. Nidheesh, R. Gandhimathi, S.T. Ramesh, T.S.A. Singh, Adsorption and desorption characteristics of crystal violet in bottom ash column, J. Urban Environ. Eng., 6(1) (2012) 18–29.
  32. J.L. Sotelo, A. Rodrıguez, S.A. lvarez, J. Garcia, Removal of caffeine and diclofenac on activated carbon in fixed bed column, Chem. Eng. Res. Des., 90 (2012) 967–974.
  33. C.E. Rodriguez-Martinez, Z.I. Gonzalez-Acevedo, M.T. Olguın, H. Frias-Palos, Adsorption and desorption of selenium by two non-living biomasses of aquatic weeds at dynamic conditions, Clean Techn. Environ. Policy, 18 (2016) 33–44.
  34. B. Preetha, T. Viruthagiri, Batch and continuous biosorption of chromium(VI) by Rhizopusarrhizus, Sep. Purif. Technol., 57 (2007) 126–133.
  35. Z. Aksu, F. Gonen, Biosorption of phenol by immobilized activated sludge in a continuous packed bed: Prediction of breakthrough curves, Process Biochem., 39 (2004) 599–613.
  36. Z.Z. Chowdhury, S.B.A. Hamid, S.M. Zain, Evaluating design parameters for breakthrough curve analysis and kinetics of fixed bed columns for Cu (II) cations using lignocellulosic wastes, BioResources, 10(1) (2014) 732–749.
  37. A.S.A. Aziz, L.A. Manaf, H.C. Man, N.S. Kumar, Column dynamic studies and breakthrough curve analysis for Cd(II) and Cu(II) ions adsorption onto palm oil boiler mill fly ash (POFA), Environ. Sci. Pollut. Res., 21 (2014) 7996–8005.
  38. N.K. Hamadi, S. Swaminathan, X.D. Chen, Adsorption of paraquat dichloride from aqueous solution by activated carbon derived from used tires, J. Hazard. Mater., 112 (2004) 133–141.