1. K. Schiff, M. Sutula, Organophosphorus pesticides in storm-water runoff from Southern California (USA), Environ. Toxicol. Chem., 23 (2004) 1815–1821.
  2. T.D. Bucheli, S.R. Müller, S. Heberle, R.P. Schwarzenbach, Occurance and behaviour of pesticides in rainwater, roof runoff, and artificial stormwater infiltration, Environ. Toxicol. Chem., 32 (1998) 3457–3464.
  3. C.D. Brown, J.M. Hollis, SWAT- A semi-empirical model to predict concentrations of pesticides entering surface waters from agricultural land, Pestic. Sci., 47 (1996) 41–50.
  4. J.E.D. Davies, N. Jabeen, The adsorption of herbicides and pesticides on clay minerals and soils. Part 2. Atrazine, J. Inclusion Phenom. Macrocyclic Chem., 46 (2003) 57–64.
  5. H. Mabrouki, D.E. Akretche, Diclofenac potassium removal from water by adsorption on natural and pillared clay, Desal. Water Treat., 57 (2016) 6033–6043.
  6. R.H.S. Robertson, Fuller’s Earth: A history of calcium montmorillonite, Mineralogical Society occasional publication, Volturna Press, Hythe, Kent, 1986.
  7. M.I. Carretero, C.S.F. Gomes, F. Tateo, In: F. Bergaya, B.K.G. Theng, G. Lagaly, Handbook of clay science, Elsevier, Amsterdam 2006, pp. 717–742.
  8. M.-T. Droy-Lefaix, F. Tateo. In: F. Bergaya, B.K.G. Theng, G. Lagaly, Handbook of clay science, Elsevier, Amsterdam 2006, pp. 743–752.
  9. E. Lund, B. Nissen, Low technology water purification by bentonite clay flocculation as performed in Sudanese villages. Virological examinations, Water Res., 20 (1986) 37–43.
  10. M. Madsen, J. Schlundt, Low-technology water purification by bentonite clay flocculation as performed in Sudanese villages: Bacteriological examinations, Water Res., 23 (1989) 873–882.
  11. M.M. Mortland, Clay-organic complexes and interactions, Adv. Agron., 22 (1970) 75–117.
  12. Z. Ullah, S. Hussain, S. Gul, S. Khan, F.K. Bangash, Use of HCl-modified bentonite clay for the adsorption of Acid Blue 129 from aqueous solutions, Desal. Wat. Treat., 57 (2016) 8894– 8903.
  13. S. Wang, N. Qiao, J. Yu, X. Huang, M. Hu, H. Ma, Effect of ionic strength on the adsorption behavior of phenol over modified activated clay, Desal. Wat. Treat., 57 (2016) 4174–4182.
  14. N. Abidi, J. Duplay, E. Errais, A. Jada, M. Trabelsi-Ayadi, Discoloration of textile effluent by natural clay improved through the presence of dyeing additives, Desal. Wat. Treat., 57 (2016) 27954–27968.
  15. G. Lagaly, M. Ogawa, I. Dékány, In: F. Bergaya, B.K.G. Theng, G. Lagaly, Handbook of Clay Science, Elsevier, Amsterdam 2006, pp. 309–379.
  16. H. van Olphen, An introduction to clay colloid chemistry, Wiley Interscience, 1977.
  17. K.G. Bhattacharyya, S.S. Gupta, Adsorption of a few heavy metals on natural and modified kaolinite and montmorillonite: A review, Adv. Colloid Interface. Sci., 140 (2008) 114–131.
  18. B.A. Fil, C. Özmetin, M. Korkmaz, Characterization and electrokinetic properties of montmorillonite, Bulgarian Chem. Commun., 46 (2014) 258–263.
  19. E.L. Foletto, C. Volzone, L.M. Porto, Performance of an Argentinian acid-activated bentonite in the bleaching of soybean oil, Braz. J. Chem. Eng., 20 (2003) 139–145.
  20. J.P. Nguetnkam, R. Kamga, F. Villiéras, G.E. Ekodeck, J. Yvon, Assessing the bleaching capacity of some Cameroonian clays on vegetable oils, Appl. Clay Sci., 39 (2008) 113–121.
  21. B. Paul, D. Yang, X. Yang, X. Ke, R. Frost, H. Zhu, Adsorption of the herbicide simazine on moderately acid-activated beidellite, Appl. Clay Sci., 49 (2010) 80–83.
  22. A.K. Panda, B.G. Mishra, D.K. Mishra, R.K. Singh, Effect of sulphuric acid treatment on the physico-chemical characteristics of kaolin clay, Colloids Surfaces A: Physicochem. Eng. Aspects 363 (2010) 98–104.
  23. N. Frini-Srasra, E. Srasra, Determination of acid-base properties of HCl acid activated palygorskite by potentiometric titration, Surf. Eng. Appl. Electrochem., 44 (2008) 401–409.
  24. C. Belver, M.A.B. Munoz, M.A. Vicente, Chemical activation of a kaolinite under acid and alkaline conditions, Chem. Mater. 14 (2002) 2033–2043.
  25. M.S. El-Geundi, T.E. Farrag, H.M.A. El-Ghany, Adsorption equilibrium of a herbicide (pendimethalin) onto natural clay, Adsorpt. Sci. Technol., 23 (2005) 437–453.
  26. G.M. Ratnamala, S.K. Vidya, G. Srinikethan, Isotherm, kinetics, and process optimization for removal of remazol Brilliant Blue dye from contaminated water using adsorption on acidtreated red mud, Desal. Wat. Treat., 57 (2016) 11361–11374.
  27. F. Abidar, M. Morghi, A. Ait Ichou, A. Soudani, M. Chiban, F. Sinan, M. Zerbet, Removal of orthophosphate ions from aqueous solution using chitin as natural adsorbent, Desal. Wat. Treat., 57 (2016) 14739–14749.
  28. B.A. Fil, C. Ozmetin, Adsorption of cationic dye from aqueous solution by clay as an adsorbent: Thermodynamic and kinetic studies, J. Chem. Soc. Pak., 34 (2012) 896–906.
  29. B.A. Fil, Isotherm, kinetic, and thermodynamic studies on the adsorption behavior of malachite green dye onto montmorillonite clay, Part. Sci. Technol., 34 (2016) 118–126.
  30. Y. Shang, J. Zhang, X. Wang, R. Zhang, W. Xiao, S. Zhang, R. Han, Use of polyethyleneimine-modified wheat straw for adsorption of Congo Red from solution in batch mode, Desal. Wat. Treat., 57 (2016) 8872–8883.
  31. J.B. Weber, Molecular structure and pH effects on the adsorption of 13 s-trizines compound on montmorillonite clay, Am. Mineral., 51 (1966) 1657–1670.
  32. R. Ahmad, R.S. Kookana, A.M. Alston, Sorption of ametryn and imazethapyr in twenty-five soils from Pakistan and Australia, J. Environ. Sci. Health., Part B, 36 (2001) 143–160.
  33. R.E. Green, Pesticides in soil and water, Soil Science Society of America, Wisconsin, Inc., Madison, 1974.
  34. V.K. Yamane, R.E. Green, Adsorption of ametryne and atrazine on an oxisol, montmorillonite, and charcoal in relation to pH and solubility effects, Soil Sci. Soc. Am. J., 36 (1972) 58–64.
  35. Y. Yang, Y. Chun, G. Sheng, M. Huang, pH-dependence of pesticide adsorption by wheat-residue-derived black carbon, Langmuir, 20 (2004) 6736–6741.
  36. R.J. Hance, Influence of pH, exchangeable cation and the presence of organic matter on the adsorption of some herbicides by montmorillonite, Can. J. Soil Sci., 49 (1969) 357–364.
  37. J. Weber, Mechanism of adsorption of s-triazines by clay colloids and factors affecting plant availability, Residue Rev., 32 (1970) 93–130.
  38. H. Van Olphen, An introduction to clay colloid chemistry, Interscience, New York, 1963.
  39. C.T. Johnston, E. Tombácz, In: J.B. Dixon, D.G. Schulze, Soil mineralogy with environmental applications, Soil Sci. Soc. Am., Madison, WI, 2002, pp. 37–67.
  40. E. Tombácz, M. Szekeres, Colloidal behavior of aqueous montmorillonite suspensions: The specific role of pH in the presence of indifferent electrolytes, Appl. Clay Sci., 27 (2004) 75–94.
  41. P. Phatai, C.M. Futalan, Removal of methyl violet dye by adsorption onto mesoporous mixed oxides of cerium and aluminium, Desal. Wat. Treat., 57 (2016) 8884–8893.
  42. I. Langmuir, The adsorption of gases on plane surfaces of glass, mica and platinum, J. Am. Chem. Soc., 40 (1918) 1361–1403.
  43. H.M.F. Freundlich, Over the adsorption in solution, J. Phys. Chem., 57 (1906) 385–471.
  44. M.I. Tempkin, V. Pyzhev, Kinetics of ammonia synthesis on promoted iron catalysts, Acta Physicochim URSS, 12 (1940) 217–222.
  45. O. Redlich, D.L. Peterson, A useful adsorption isotherm, J. Phys. Chem., 63 (1959) 1024–1026.
  46. C. Sluszny, E.R. Graber, Z. Gerst, Sorption of s-triazine herbicides in organic matter amended soils: Fresh and incubated systems, Water Air Soil Pollut., 115 (1999) 395–410.
  47. A. Wefer-Roehl, E.R. Graber, M.D. Borisover, E. Adar, R. Nativ, Z. Ronen, Sorption of organic contaminants in a fractured chalk formation, Chemosphere, 44 (2001) 1121–1130.
  48. Q. Wang, A.T. Lemley, Reduced adsorption of ametryn in clay, humic acid, and soil by interaction with ferric ion under fenton treatment conditions, J. Environ. Sci. Health., Part B, 41 (2006) 223–236.
  49. M.C. Prete, F.M. de Oliveira, C.R.T. Tarley, Assessment on the performance of nano-carbon black as an alternative material for extraction of carbendazim, tebuthiuron, hexazinone, diuron and ametryn, J. Environ. Chem. Eng., 5 (2017) 93–102.
  50. P.K. Boruah, B.Sharma, N. Hussain, M.R. Das, Magnetically recoverable Fe3O4/graphene nanocomposite towards efficient removal of triazine pesticides from aqueous solution: Investigation of the adsorption phenomenon and specific ion effect, Chemosphere, 168 (2017) 1058–1067.
  51. L. Khezami, K.K. Taha, E. Amami, I. Ghiloufi, L. El Mir, Removal of cadmium(II) from aqueous solution by zinc oxide nanoparticles: Kinetic and thermodynamic studies, Desal. Water Treat., 62 (2017) 346–354.
  52. S. Lagergren, B.K. Svenska, Zur theorie der sogenannten adsorption geloester stoffe, Veternskapsakad Handlingar, 24 (1898) 1–39.
  53. Y.S. Ho, G. McKay, The kinetics of sorption of basic dyes from aqueous solutions by sphagnum moss peat, Can. J. Chem. Eng., 76 (1998) 822–827.
  54. C. Aharoni, F.C. Tompkins, In: D.D. Eley, H. Pines, P.B. Weisz, Advances in catalysis and related subjects, Academic Press, New York 1970, pp. 1–49.
  55. W.J. Weber, J.C. Morris, Kinetics of adsorption on carbon from solution, J. Sanit. Eng. Div. Am. Soc. Civ. Eng., 89 (1963) 31–60.
  56. W.H. Cheung, Y.S. Szeto, G. McKay, Intraparticle diffusion processes during acid dye adsorption onto chitosan, Bioresour. Technol., 98 (2007) 2897–2904.
  57. O. Pezoti, A.L. Cazetta, I.P.A.F. Souza, K.C. Bedin, A.C. Martins, T.L. Silva, V.C. Almeida, Adsorption studies of methylene blue onto ZnCl2-activated carbon produced from buriti shells (Mauritia flexuosa L.), J. Ind. Eng. Chem. 20 (2014) 4401–4407.
  58. M.H. Marzbali, M. Esmaieli, H. Abolghasemi, M.H. Marzbali, Tetracycline adsorption by H3PO4-activated carbon produced from apricot nut shells: A batch study, Process Saf. Environ. Prot., 102 (2016) 700–709.
  59. A. Nakhli, M. Bergaoui, C. Aguir, M. Khalfaoui, M.F. M’henni, A.B. Lamine, Adsorption thermodynamics in the framework of the statistical physics formalism: Basic Blue 41 adsorption onto Posidonia biomass, Desal. Water Treat., 57 (2016) 12730– 12742.
  60. K.Y. Foo, Value-added utilization of maize cobs waste as an environmental friendly solution for the innovative treatment of carbofuron, Process Saf. Environ. Prot., 100 (2016) 295–304.
  61. S. Sahoo, Uma, S. Banerjee, Y.C. Sharma, Application of natural clay as a potential adsorbent for the removal of a toxic dye from aqueous solutions, Desal. Wat. Treat., 52 (2014) 6703–6711.
  62. F. Gomri, M. Boutahala, H. Zaghouane-Boudiaf, S.A. Korili, A. Gil, Removal of Acid Blue 80 from aqueous solutions by adsorption on chemical modified bentonites, Desal. Water Treat., (2016) 1–10.
  63. J. Madejova, FTIR Techniques in clay mineral studies, Vib. Spectrosc. 31 (2003) 1–10.
  64. B.N. Dudkin, I.V. Loukhina, E.G. Avvakumov, V.P. Isupov, Application of mechanochemical treatment of disintegration of kaolinite with sulphuric acid, Sust. Dev., 12 (2004) 327–330.
  65. V.V. Krupskaya, S.V. Zakusin, E.A. Tyupina, O.V. Dorzhieva, A.P. Zhukhlistov, P.E. Belousov, M.N. Timofeeva, Experimental study of montmorillonite structure and transformation of its properties under treatment with inorganic acid solutions, Minerals, 7 (2017) 1–15.
  66. S. Brunauer, P.H. Emmett, E. Teller, Adsorption of gases in multimoleculer layers, J. Am. Chem. Soc., 60 (1938) 309–319.
  67. M. Hassan, H. El-Shall, Texture and microstructure of thermally- treated acid-leached kaolinitic clays, Adsorpt. Sci. Technol., 27 (2009) 671–684.
  68. R.N. Oliveira, W. Acchar, G.D.A. Soares, L.S. Barreto, The increase of surface area of a Brazilian palygorskite clay activated with sulfuric acid solutions using a factorial design, Mater. Res., 16 (2013) 924–928.
  69. K.S.W. Sing, D.H. Everett, R.A.W. Haul, L. Moscou, R.A. Pierotti, J. Rouquerol, T. Siemieniewska, Reporting physisorption data for gas/solid systems with special reference to the determination of surface area and porosity, Pure Appl. Chem., 57 (1985) 603–609.
  70. K.Y. Foo, B.H. Hameed, Porous structure and adsorptive properties of pineapple peel based activated carbons prepared via microwave assisted KOH and K2CO3 activation, Micropor. Mesopor. Mater., 148 (2012) 191–195.