1. S. Shoukat, H.N. Bhatti, M. Iqbal, S. Noreen, Mango stone biocomposite preparation and application for crystal violet adsorption: a mechanistic study, Microporous Mesoporous Mater., 239 (2017) 180–189.
  2. H. Shayesteh, A. Ashrafi, A. Rahbar-Kelishami, Evaluation of Fe3O4@MnO2 core-shell magnetic nanoparticles as an adsorbent for decolorization of methylene blue dye in contaminated water: synthesis and characterization, kinetic, equilibrium, and thermodynamic studies, J. Mol. Struct., 1149 (2017) 199–205.
  3. A.H. Jawad, A.S. Abdulhameed, A. Reghioua, Z.M. Yaseen, Zwitterion composite chitosan-epichlorohydrin/zeolite for adsorption of methylene blue and reactive red 120 dyes, Int. J. Biol. Macromol., 163 (2020) 756–765.
  4. C. Djelloul, A. Hasseine, Ultrasound-assisted removal of methylene blue from aqueous solution by milk thistle seed, Desal. Water Treat., 51 (2013) 28–30.
  5. P. Sharma, S. Pandey, Status of phytoremediation in world scenario, Int. J. Environ. Biorem. Biodegrad., 2 (2014) 178–191.
  6. K.T. Chung, Azo dyes and human health: a review, J. Environ. Sci. Health., Part C Environ. Carcinog. Ecotoxicol. Rev., 34 (2016) 233–261.
  7. L. Bianco, E. D’Amico, A. Villone, F. Nanna, D. Barisano, Bioremediation of wastewater stream from syngas cleaning via wet scrubbing, Chem. Eng. Trans., 80 (2020) 31–36.
  8. D. Rajkumar, B.J. Song, J.G. Kim, Electrochemical degradation of Reactive Blue 19 in chloride medium for the treatment of textile dyeing wastewater with identification of intermediate compounds, Dyes Pigm., 72 (2017) 1–7.
  9. S. Meric, D. Kaptan, T. Olmez, Color and COD removal from wastewater containing Reactive Black 5 using Fenton’s oxidation process, Chemosphere, 54 (2004) 435–441.
  10. J. Joseph, R.C. Radhakrishnan, J.K. Johnson, S.P. Joy, J. Thomas, Ion-exchange mediated removal of cationic dye-stuffs from water using ammonium phosphomolybdate, Mater. Chem. Phys., 242 (2020) 1–8.
  11. M.H. Dehghani, P. Mahdavi, Removal of acid 4092 dye from aqueous solution by zinc oxide nanoparticles and ultraviolet irradiation, Desal. Water Treat., 54 (2015) 3464–3469.
  12. T. El Malah, H.F. Nour, E.K. Radwan, R.E. Abdel Mageid, T.A. Khattab, M.A. Olson, A bipyridinium-based polyhydrazone adsorbent that exhibits ultrahigh adsorption capacity for the anionic azo dye, Direct Blue 71, Chem. Eng. J., 409 (2021) 128195, doi: 10.1016/j.cej.2020.128195.
  13. M.M. El Bendary, E.K. Radwan, M.F. El-Shahat, Valorization of secondary resources into silica-based adsorbents: preparation, characterization and application in dye removal from wastewater, Environ. Nanotechnol. Monit. Manage., 15 (2021) 100455, doi: 10.1016/j.enmm.2021.100455.
  14. A.A. Alqadami, M.A. Khan, M.R. Siddiqui, Z.A. Alothman, Development of citric anhydride anchored mesoporous MOF through post synthesis modification to sequester potentially toxic lead(II) from water, Microporous Mesoporous Mater., 261 (2018) 198–206.
  15. R.C. Bansal, M. Goyal, Activated Carbon Adsorption, CRC Press, Taylor and Francis, London, 2005.
  16. A.M. Puziy, O.I. Poddubnaya, A. Martínez-Alonso, F. Suárez-García, J.M.D. Tascón, Surface chemistry of phosphoruscontaining carbons of lignocellulosic origin, Carbon, 43 (2005) 2857–2868.
  17. A.M. Puziy, O.I. Poddubnaya, A. Martı́nez-Alonso, F. Suárez-Garcı́a, J.M.D. Tascón, Synthetic carbons activated with phosphoric acid: I. Surface chemistry and ion binding properties, Carbon, 40 (2002) 1493–1505.
  18. E.K. Radwan, S.T. El-Wakeel, T.A. Gad-Allah, Effects of activation conditions on the structural and adsorption characteristics of pinecones derived activated carbons, J. Dispersion Sci. Technol., 40 (2019) 140–151.
  19. S. Gunes, D. Angin, Kinetic, isotherm, and thermodynamic studies of Reactive Orange 13 adsorption onto activated carbon obtained from orange pulp, Desal. Water Treat., 214 (2021) 420–432.
  20. I. Lupul, J. Yperman, R. Carleer, G. Gryglewicz, Tailoring of porous texture of hemp stem-based activated carbon produced by phosphoric acid activation in steam atmosphere, J. Porous Mater., 22 (2015) 283–289.
  21. D. Zhang, W. Cheng, J. Ma, R. Li, Influence of activated carbon in zeolite X/activated carbon composites on CH4/N2 adsorption separation ability, Adsorption, 22 (2016) 1129–1135.
  22. L. Khezami, R. Capart, Removal of chromium(VI) from aqueous solution by activated carbons: kinetic and equilibrium studies, J. Hazard. Mater. B, 123 (2005) 223–231.
  23. G.X. Yang, H. Jiang, Amino modification of biochar for enhanced adsorption of copper ions from synthetic wastewater, Water Res., 48 (2014) 396–405.
  24. M. Imamoglu, O. Tekir, Removal of copper(II) and lead(II) ions from aqueous solutions by adsorption on activated carbon from a new precursor hazelnut husks, Desalination, 228 (2008) 108–113.
  25. E. Altıntıg, H. Altundag, O. Ozyıldırım, I. Acar, Production of activation carbon from rice husk to support Zn2+ ions, Fresenius Environ. Bull., 24 (2015) 1–7.
  26. H. Nourmoradi, K.F. Moghadam, A. Jafari, B. Kamarehie, Removal of acetaminophen and ibuprofen from aqueous solutions by activated carbon derived from Quercus Brantii (Oak) acorn as a low-cost biosorbent, J. Environ. Chem. Eng., 6 (2018) 6807–6815.
  27. D. Angin, Production and characterization of activated carbon from sour cherry stones by zinc chloride, Fuel, 115 (2014) 804–811.
  28. M. Carrier, A.G. Hardie, U. Uras, J. Görgens, J.H. Knoetze, Production of char from vacuum pyrolysis of South-African sugar cane bagasse and its characterization as activated carbon and biochar, J. Anal. Appl. Pyrolysis, 96 (2012) 24–32.
  29. A. Kumar, H. Gupta, Activated carbon from sawdust for naphthalene removal from contaminated water, Environ. Technol. Innovation, 20 (2020) 101080, doi: 10.1016/j.eti.2020.101080.
  30. E. Flippo, A. Serra, A. Buccolieri, D. Manno, Green synthesis of silver nanoparticles with sucrose and maltose: morphological and structural characterization, J. Non-Cryst. Solids, 356 (2010) 344–350.
  31. M. Ghaedi, A. Ansari, M.H. Habibi, A.R. Asghari, Removal of malachite green from aqueous solution by zinc oxide nanoparticle loaded on activated carbon: kinetics and isotherm study, J. Ind. Eng. Chem., 20 (2014) 17–28.
  32. A. Bée, D. Talbot, S. Abramson, V. Dupuis, Magnetic alginate beads for Pb(II) ions removal from wastewater, J. Colloid Interface Sci., 362 (2011) 486–492.
  33. K.D. Hristovski, P.K. Westerhoff, T. Möller, P. Sylvester, Effect of synthesis conditions on nano-iron (hydr)oxide impregnated granulated activated carbon, Chem. Eng. J., 146 (2009) 237–243.
  34. X. Qu, P.J.J. Alvarez, Q. Li, Applications of nanotechnology in water and wastewater treatment, Water Res., 47 (2013) 3931–3946.
  35. P. Xu, G.M. Zeng, D.L. Huang, C.L. Feng, S. Hu, M.H. Zhao, C. Lai, Z. Wei, C. Huang, G.X. Xie, Use of iron oxide nanomaterials in wastewater treatment: a review, Sci. Total Environ., 424 (2012) 1–10.
  36. G. Jing, Z. Zhou, L. Song, M. Dong, Ultrasound enhanced adsorption and desorption of chromium(VI) on activated carbon and polymeric resin, Desalination, 279 (2011) 423–427.
  37. M. Breitbach, D. Bathen, Influence of ultrasound on adsorption processes, Ultrason. Sonochem., 8 (2001) 277–283.
  38. P.S. Ardekani, H. Karimi, M. Ghaedi, A. Asfaram, M.K. Purkait, Ultrasonic assisted removal of methylene blue on ultrasonically synthesized zinc hydroxide nanoparticles on activated carbon prepared from wood of cherry tree: experimental design methodology and artificial neural network, J. Mol. Liq., 229 (2017) 114–124.
  39. Z.A. Alothman, A.H. Bahkali, M.A. Khiyami, S.M. Alfadul, S.M. Wabaidura, M. Alam, B.Z. Alfarhan, Low cost biosorbents from fungi for heavy metals removal from wastewater, Sep. Sci. Technol., 55 (2020) 1766–1775.
  40. H. Deng, G. Li, H. Yang, J. Tang, Preparation of activated carbons from cotton stalk by microwave assisted KOH and K2CO3 activation, Chem. Eng. J., 163 (2010) 373–381.
  41. G. Xiong, U. Pal, J.G. Serrano, K.B. Ucer, R.T. Williams, Photoluminescence and FTIR study of ZnO nanoparticles: the impurity and defect perspective, Phys. Status Solidi, 3 (2006) 3577–3581.
  42. E. Kenawy, A.A. Ghfar, S.M. Wabaidur, M.A. Khan, M.R. Siddiqui, Z.A. Alothman, A.A. Alqadami, M. Hamid, Cetyltrimethylammonium bromide intercalated and branched polyhydroxystyrene functionalized montmorillonite clay to sequester cationic dyes, J. Environ. Manage., 219 (2018) 285–293.
  43. T.H. Liou, S.J. Wu, Characteristic of microporous/mesoporous carbons prepared from rice husk under base and acid treated conditions, J. Hazard. Mater., 171 (2009) 693–703.
  44. S. Karnjanakom, P. Maneechakr, Adsorption behaviors and capacities of Cr(VI) onto environmentally activated carbon modified by cationic (HDTMA and DDAB) surfactants, J. Mol. Struct., 1186 (2019) 80–90.
  45. M. Ghaedi, A.M. Ghaedi, M. Hossainpour, A. Ansari, M.H. Habibi, A.R. Asghari, Least square-support vector
    (LS-SVM) method for modeling of methylene blue dye adsorption using copper oxide loaded on activated carbon: kinetic and isotherm study, J. Ind. Eng. Chem., 20 (2014) 1641–1649.
  46. H.F. Nour, R.E. Abdel Mageid, E.K. Radwan, T.A. Khattab, M.A. Olson, T. El Malah, Adsorption isotherms and kinetic studies for the removal of toxic reactive dyestuffs from contaminated water using a viologen-based covalent polymer, New J. Chem., 45 (2021) 18983–18993.
  47. T.I. Shaheen, E.K. Radwan, S.T. El-Wakee, Unary and binary adsorption of anionic dye and toxic metal from wastewater using 3-aminopropyltriethoxysilane functionalized porous cellulose acetate microspheres, Microporous Mesoporous Mater., 338 (2022) 111996, doi: 10.1016/j.micromeso.2022.111996.
  48. P.S. Kumar, P.S. Anne 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.
  49. N. Kaya, Z. Yıldız, S. Ceylan, Preparation and characterisation of biochar from hazelnut shell and its adsorption properties for methylene blue dye, J. Polytechnic., 21 (2018) 765–776.
  50. C.J. Luk, J. Yip, C.M. Yuen, C. Kan, K. Lam, A comprehensive study on adsorption behaviour of direct, reactive and acid dyes on crosslinked and non-crosslinked chitosan beads, J. Fiber Bioeng. Inf., 7 (2014) 35–52.
  51. Mu. 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) 111442, doi: 10.1016/j.molliq.2019.111442.
  52. M.A. Tahir, H.N. Bhatti, M.J. Iqbal, Solar Red and Brittle Blue direct dyes adsorption onto Eucalyptus angophoroides bark: equilibrium, kinetics and thermodynamic studies, Environ. Chem. Eng., 4 (2016) 2431–2439.
  53. E. Altintig, A. Alsancak, H. Karaca, D. Angın, H. Altundag, The comparison of natural and magnetically modified zeolites as an adsorbent in methyl violet removal from aqueous solutions, Chem. Eng. Commun., 209 (2022) 555–569.
  54. Z.A. Al-Anber, M.A. Al-Anber, M. Matouq, O. Al-Ayed, N.M. Omari, Defatted Jojoba for the removal of methylene blue from aqueous solution: thermodynamic and kinetic studies, Desalination, 276 (2011) 169–174.
  55. H. Cherifi, B. Fatih, H. Salah, Kinetic studies on the adsorption of methylene blue onto vegetal fiber activated carbons, Appl. Surf. Sci., 282 (2013) 52–59.
  56. H. Wang, P. Zhou, R. Guo, Y. Wang, H. Zhan, Y. Yuan, Synthesis of rectorite/Fe3O4/ZnO composites and their application for the removal of methylene blue dye, Catalysts, 8 (2018) 1–18.
  57. O. Cercel, A. Ozcan, H.F. Gercel, Preparation of activated carbon from renewable bio-plant of Eupharbia rigida by H2SO4 activation and its adsorption behavior in aqueous solutions, Appl. Surf. Sci., 253 (2007) 4843–4852.
  58. R.H. Khuluk, A. Rahmat, Buhani, Suharso, Removal of methylene blue by adsorption onto activated carbon from coconut shell (Cocos nucifera L.), Indones. J. Sci. Technol., 4 (2019) 229–240.
  59. C. Patawat, K. Silakate, S. Chuan-Udom, N. Supanchaiyamat, A.J. Hunt, Y. Ngernyen, Preparation of activated carbon from Dipterocarpus alatus fruit and its application for methylene blue adsorption, RSC Adv., 10 (2020) 21082–21091.