1. M. El Alouani, S. Alehyen, H. El Hadki, H. Saufi, A. Elhalil, O.K. Kabbaj, M’hamedTaibi, Synergetic influence between adsorption and photodegradation of Rhodamine B using synthesized fly ash based inorganic polymer, Surf. Interfaces, 24 (2021) 101136, doi: 10.1016/j.surfin.2021.101136.
  2. J. Mittal, Permissible synthetic food dyes in India, Indian Acad. Sci., 25 (2020) 567–577.
  3. Z. Guo, J. Zhang, H. Liu, Ultra-high Rhodamine B adsorption capacities from an aqueous solution by activated carbon derived from Phragmites australis doped with organic acid by phosphoric acid activation, RSC Adv., 6 (2016) 40818–40827.
  4. M. Danish, W.A. Khanday, R. Hashim, N.S.B. Sulaiman, M.N. Akhtar, M. Nizami, Application of optimized large surface area date stone (Phoenix dactylifera) activated carbon for rhodamin B removal from aqueous solution: Box–Behnken design approach, Ecotoxicol. Environ. Saf., 139 (2017) 280–290.
  5. S.S. Tabrez Alam Khan, Prof. Imran Ali, Adsorption of Rhodamine B dye from aqueous solution onto acid activated mango (Magnifera indica) leaf powder: equilibrium, kinetic and thermodynamic studies, J. Toxicol. Environ. Health Sci., 3 (2011) 286–297.
  6. P.C. Vandevivere, R. Bianchi, W. Verstraete, Review: treatment and reuse of wastewater from the textile wet‐processing industry: review of emerging technologies, J. Chem. Technol. Biotechnol., 72 (1998) 289–302.
  7. Y.M. Slokar, A.M. Le Marechal, Methods of decoloration of textile wastewaters, Dyes Pigm., 37 (1998) 335–356.
  8. M.I. Khan, S. Zafar, M.A. Khan, F. Mumtaz, P. Prapamonthon, A.R. Buzdar, Bougainvillea glabra leaves for adsorption of Congo red from wastewater, Fresenius Environ. Bull., 27 (2018) 1456–1465.
  9. S. Wang, Z. Zhu, A. Coomes, F. Haghseresht, G. Lu, The physical and surface chemical characteristics of activated carbons and the adsorption of methylene blue from wastewater, J. Colloid Interface Sci., 284 (2005) 440–446.
  10. M.I. Khan, S. Zafar, A.R. Buzdar, M.F. Azhar, W. Hassan, A. Aziz, Use of citrus sinensis leaves as a bioadsorbent for removal of congo red dye from aqueous solution, Fresenius Environ. Bull., 27 (2018) 4679–4688.
  11. S. Soni, P.K. Bajpai, J. Mittal, C. Arora, Utilisation of cobalt doped Iron based MOF for enhanced removal and recovery of methylene blue dye from wastewater, J. Mol. Liq., 314 (2020) 113642, doi:10.1016/j.molliq.2020.113642.
  12. A. Patel, S. Soni, J. Mittal, A. Mittal, C. Arora, Sequestration of crystal violet from aqueous solution using ash of black turmeric rhizome, Desal. Water Treat., 220 (2021) 342–352.
  13. C. Arora, P. Kumar, S. Soni, J. Mittal, A. Mittal, B. Singh, Efficient removal of malachite green dye from aqueous solution using Curcuma caesia based activated carbon, Desal. Water Treat., 195 (2020) 341–352.
  14. C. Arora, S. Soni, S. Sahu, J. Mittal, P. Kumar, P.K. Bajpai, Iron based metal organic framework for efficient removal of methylene blue dye from industrial waste, J. Mol. Liq., 284 (2019) 343–352.
  15. M. Ahmed, R. Ram, Removal of basic dye from waste-water using silica as adsorbent, Environ. Pollut., 77 (1992) 79–86.
  16. A. Mittal, J. Mittal, Hen Feather: A Remarkable Adsorbent for Dye Removal, in: Green Chemistry for Dyes Removal from Wastewater: Research Trends and Applications, Wiley Publisher, Hoboken, New Jersey, United States, 2015, pp. 409–457.
  17. J. Mittal, Recent progress in the synthesis of layered double hydroxides and their application for the adsorptive removal of dyes: a review, J. Environ. Manage., 295 (2021) 113017, doi:10.1016/j.jenvman.2021.113017.
  18. J. Mittal, A. Mariyam, F. Sakina, R.T. Baker, A.K. Sharma, A. Mittal, Batch and bulk adsorptive removal of anionic dye using metal/halide-free ordered mesoporous carbon as adsorbent, J. Cleaner Prod., 321 (2021) 129060, doi: 10.1016/j. jclepro.2021.129060.
  19. C. Arora, S. Soni, P.K. Bajpai, J. Mittal, A. Mariyam, Chapter 14 – Dye Removal From Waste Water Using Metal Organic Frameworks, P. Singh, C.M. Hussain, S. Rajkhowa, Eds., Management of Contaminants of Emerging Concern (CEC) in Environment, Elsevier, 2021, pp. 375–394.
  20. J. Mittal, R. Ahmad, M.O. Ejaz, A. Mariyam, A. Mittal, A novel, eco-friendly bio-nanocomposite (Alg-Cst/Kal) for the adsorptive removal of crystal violet dye from its aqueous solutions, Int. J. Phytorem., (2021) 1–12, doi:10.1080/15226514.2021.1977778 (In Press).
  21. A. Mariyam, J. Mittal, F. Sakina, R.T. Baker, A.K. Sharma, A. Mittal, Efficient batch and fixed-bed sequestration of a basic dye using a novel variant of ordered mesoporous carbon as adsorbent, Arabian J. Chem., 14 (2021) 103186, doi: 10.1016/j. arabjc.2021.103186.
  22. J. Mittal, R. Ahmad, A. Mittal, Kahwa tea (Camellia sinensis) carbon — a novel and green low-cost adsorbent for the sequestration of titan yellow dye from its aqueous solutions, Desal. Water Treat., 227 (2021) 404–411.
  23. R.A.J. Mittal, R. Ahmad, A. Mariyam, V.K. Gupta, A. Mittal, Expeditious and enhanced sequestration of heavy metal ions from aqueous environment by papaya peel carbon: a green and low cost adsorbent, Desal. Water Treat., 210 (2021) 365–376.
  24. V. Kumar, P. Saharan, A.K. Sharma, A. Umar, I. Kaushal, A. Mittal, Y. Al-Hadeethi, B. Rashad, Silver doped manganese oxide-carbon nanotube nanocomposite for enhanced dyesequestration: isotherm studies and RSM modelling approach, Ceram. Int., 46 (2020) 10309–10319.
  25. R. Ahmad, I. Hassan, A. Mittal, Adsorption of Cr(VI) and Cd(II) on chitosan grafted polyaniline-OMMT nanocomposite: isotherms, kinetics and thermodynamics studies, Desal. Water Treat., 58 (2017) 144–153.
  26. A. Mariyam, J. Mittal, F. Sakina, R.T. Baker, A.K. Sharma, Fixed-bed adsorption of the dye Chrysoidine R on ordered mesoporous carbon, Desal. Water Treat., 229 (2021) 395–402.
  27. V.K. Gupta, S. Agarwal, R. Ahmad, A. Mirza, J. Mittal, Sequestration of toxic congo red dye from aqueous solution using ecofriendly guar gum/activated carbon nanocomposite, Int. J. Biol. Macromol., S0141-8130 (2020) 33167-6, doi: 10.1016/j. ijbiomac.2020.05.025.
  28. S. Soni, P.K. Bajpai, D. Bharti, J. Mittal, C. Arora, Removal of crystal violet from aqueous solution using iron based metal organic framework, Desal. Water Treat., 205 (2020) 386–399.
  29. R. Jain, P. Sharma, S. Sikarwar, J. Mittal, D. Pathak, Adsorption kinetics and thermodynamics of hazardous dye Tropaeoline 000 unto Aeroxide Alu C (Nano alumina): a non-carbon adsorbent, Desal. Water Treat., 52 (2014) 7776–7783.
  30. A. Mariyam, J. Mittal, F. Sakina, R.T. Baker, A.K. Sharma, Adsorption behaviour of Chrysoidine R dye on a metal/halidefree variant of ordered mesoporous carbon, Desal. Water Treat., 223 (2021) 425–433.
  31. P. Saharan, V. Kumar, J. Mittal, V. Sharma, A.K. Sharma, Efficient ultrasonic assisted adsorption of organic pollutants employing bimetallic-carbon nanocomposites, Sep. Sci. Technol., 56 (2021) 2895–2908.
  32. G.C. Ghosh, T.K. Chakraborty, S. Zaman, M.N. Nahar, A.H.M.E. Kabir, Removal of methyl orange dye from aqueous solution by a low-cost activated carbon prepared from mahagoni (Swietenia mahagoni) bark, Pollution, 6 (2020) 171–184.
  33. C. Arora, D. Sahu, D. Bharti, V. Tamrakar, S. Soni, S. Sharma, Adsorption of hazardous dye crystal violet from industrial waste using low-cost adsorbent Chenopodium album, Desal. Water Treat., 167 (2019) 324–332.
  34. A. Çelekli, S.S. Birecikligil, F. Geyik, H. Bozkurt, Prediction of removal efficiency of Lanaset Red G on walnut husk using artificial neural network model, Bioresour. Technol., 103 (2012) 64–70.
  35. H. Zhu, R. Jiang, Y.-Q. Fu, J.-H. Jiang, L. Xiao, G.-M. Zeng, Preparation, characterization and dye adsorption properties of γ-Fe2O3/SiO2/chitosan composite, Appl. Surf. Sci., 258 (2011) 1337–1344.
  36. R.-k. Xu, S.-c. Xiao, J.-h. Yuan, A.-z. Zhao, Adsorption of methyl violet from aqueous solutions by the biochars derived from crop residues, Bioresour. Technol., 102 (2011) 10293–10298.
  37. T. Farías, L.C. de Ménorval, J. Zajac, A. Rivera, Benzalkonium chloride and sulfamethoxazole adsorption onto natural clinoptilolite: effect of time, ionic strength, pH and temperature, J. Colloid Interface Sci., 363 (2011) 465–475.
  38. Y. Feng, F. Yang, Y. Wang, L. Ma, Y. Wu, P.G. Kerr, L. Yang, Basic dye adsorption onto an agro-based waste material–sesame hull (Sesamum indicum L.), Bioresour. Technol., 102 (2011) 10280–10285.
  39. Y. Yang, D. Jin, G. Wang, D. Liu, X. Jia, Y. Zhao, Biosorption of Acid Blue 25 by unmodified and CPC-modified biomass of Penicillium YW01: kinetic study, equilibrium isotherm and FTIR analysis, Colloids Surf., B, 88 (2011) 521–526.
  40. M. Akgül, A. Karabakan, Promoted dye adsorption performance over desilicated natural zeolite, Microporous Mesoporous Mater., 145 (2011) 157–164.
  41. X.-Y. Huang, H.-T. Bu, G.-B. Jiang, M.-H. Zeng, Cross-linked succinyl chitosan as an adsorbent for the removal of Methylene blue from aqueous solution, Int. J. Biol. Macromol., 49 (2011) 643–651.
  42. T. Kan, X. Jiang, L. Zhou, M. Yang, M. Duan, P. Liu, X. Jiang, Removal of methyl orange from aqueous solutions using a bentonite modified with a new gemini surfactant, Appl. Clay Sci., 54 (2011) 184–187.
  43. B. Balci, Basic textile dye adsorption from aqueous solution and synthetic dye bath wastewater by modified eucalyptus barks, Fresenius Environ. Bull., 25 (2016) 6124–6131.
  44. A. Xue, S. Zhou, Y. Zhao, X. Lu, P. Han, Effective NH2-grafting on attapulgite surfaces for adsorption of reactive dyes, J. Hazard. Mater., 194 (2011) 7–14.
  45. K. Elass, A. Laachach, A. Alaoui, M. Azzi, Removal of methyl violet from aqueous solution using
    a stevensite-rich clay from Morocco, Appl. Clay Sci., 54 (2011) 90–96.
  46. G. Lv, Z. Li, W.-T. Jiang, P.-H. Chang, J.-S. Jean, K.-H. Lin, Mechanism of acridine orange removal from water by lowcharge swelling clays, Chem. Eng. J., 174 (2011) 603–611.
  47. H. Chen, J. Zhao, A. Zhong, Y. Jin, Removal capacity and adsorption mechanism of heat-treated palygorskite clay for methylene blue, Chem. Eng. J., 174 (2011) 143–150.
  48. M. Ghaedi, H. Hossainian, M. Montazerozohori, A. Shokrollahi, F. Shojaipour, M. Soylak, M. Purkait, A novel acorn based adsorbent for the removal of brilliant green, Desalination, 281 (2011) 226–233.
  49. A.Y. Dursun, O. Tepe, Removal of Chemazol Reactive Red 195 from aqueous solution by dehydrated beet pulp carbon, J. Hazard. Mater., 194 (2011) 303–311.
  50. J. de Jesus da Silveira Neta, G.C. Moreira, C.J. da Silva, C. Reis, E.L. Reis, Use of polyurethane foams for the removal of the Direct Red 80 and Reactive Blue 21 dyes in aqueous medium, Desalination, 281 (2011) 55–60.
  51. Y. Diquarternasi, Removal of basic blue 3 and reactive orange 16 by adsorption onto quartenized sugar cane bagasse, Malaysian J. Anal. Sci., 13 (2009) 185–193.
  52. M.I. Khan, M.H. Lashari, M. Khraisheh, S. Shahida, S. Zafar, P. Prapamonthon, A. Rehman, S. Anjum, N. Akhtar,
    F. Hanif, Adsorption kinetic, equilibrium and thermodynamic studies of Eosin-B onto anion exchange membrane, Desal. Water Treat., 155 (2019) 84–93.
  53. M.I. Khan, A. Shanableh, J. Fernandez, M.H. Lashari, S. Shahida, S. Manzoor, S. Zafar, A. ur Rehman, N. Elboughdiri, Synthesis of DMEA-grafted anion exchange membrane for adsorptive discharge of Methyl orange from wastewaters, Membranes, 11 (2021) 166, doi: 10.3390/membranes11030166.
  54. M.A. Khan, M.I. Khan, S. Zafar, Removal of different anionic dyes from aqueous solution by anion exchange membrane, Membr. Water Treat., 8 (2017) 259–277.
  55. S. Zafar, M.I. Khan, M. Khraisheh, M.H. Lashari, S. Shahida, M.F. Azhar, P. Prapamonthon, M.L. Mirza, N. Khalid, Kinetic, equilibrium and thermodynamic studies for adsorption of nickel ions onto husk of Oryza sativa, Desal. Water Treat., 167 (2019) 277–290.
  56. S. Zafar, M.I. Khan, M. Khraisheh, S. Shahida, N. Khalid, M.L. Mirza, Effective removal of lanthanum ions from aqueous solution using rice husk: impact of experimental variables, Desal. Water Treat., 132 (2019) 263–273.
  57. S. Zafar, M.I. Khan, H. Rehman, J. Fernandez-Garcia, S. Shahida, P. Prapamonthon, M. Khraisheh, A. Rehman, H.B. Ahmad, M.L. Mirza, N. Khalid, M.H. Lashari, Kinetic, equilibrium, and thermodynamic studies for adsorptive removal of cobalt ions by rice husk from aqueous solution, Desal. Water Treat., 204 (2020) 285–296.
  58. M.I.K. Shagufta Zafar, M. Khraisheh, S. Shahida, T. Javed, M.L. Mirza, N. Khalid, Use of rice husk as an efective sorbent for the removal of cerium ions from aqueous solution: kinetic, equilibrium and thermodynamic studies, Desal. Water Treat., 150 (2019) 124–135.
  59. M.I. Khan, S. Zafar, M.F. Azhar, A.R. Buzdar, W. Hassan, A. Aziz, M. Khraisheh, Leaves powder of syzgium cumini as an adsorbent for removal of congo red dye from aqueous solution, Fresenius Environ. Bull., 27 (2018) 3342–3350.
  60. M.I. Khan, S. Akhtar, S. Zafar, A. Shaheen, M.A. Khan, R. Luque, Removal of Congo red from aqueous solution by anion exchange membrane (EBTAC): adsorption kinetics and themodynamics, Materials, 8 (2015) 4147–4161.
  61. M.I. Khan, S. Zafar, H.B. Ahmad, M. Hussain, Z. Shafiq, Use of morus albal leaves as bioadsorbent for the removal of congo red dye, Fresenius Environ. Bull., 24 (2015) 2251–2258.
  62. V.C. Srivastaa, I.D. Mall, I.M. Mishra, Characterization of mesoporous rice husk ash (RHA) and adsorption kinetics of metal ions from aqueous solution onto RHA, J. Hazard. Mater., 134 (2006) 257–267.
  63. S.K. Kazy, P. Sar, S. Singh, A.K. Sen, S.F. D’Souza, Extracellular polysaccharides of a copper sensitive and a copper-resistant Pseudomonas aeruginosa stain: synthesis, chemical nature and copper binding, World J. Microbiol. Biotechnol., 18 (2002) 583, doi: 10.1023/A:1016354713289.
  64. S.K. Kazy, S. D’Souza, P. Sar, Uranium and thorium sequestration by a Pseudomonas sp.: mechanism and chemical characterization, J. Hazard. Mater., 163 (2009) 65–72.
  65. X. Ying-Mei, Q. Ji, H. De-Min, W. Dong-Mei, C. Hui-Ying, G. Jun, Z. Qiu-Min, Preparation of amorphous silica from oil shale residue and surface modification by silane coupling agent, Oil Shale, 27 (2010) 37–46.
  66. L. Ludueña, D. Fasce, V.A. Alvarez, P.M. Stefani, Nanocellulose from rice husk following alkaline treatment to remove silica, BioResources, 6 (2011) 1440–1453.
  67. A.N. Juma Sahar, M. Farooq, S. Zareen, A. ur Rahman, Thermodynamic studies of adsorption of Rhodamine B and Congo red on graphene oxide, Desal. Water Treat., 164 (2019) 228–239.
  68. C. Tsamo, G.D. Kidwang, D.C. Dahaina, Removal of Rhodamine B from aqueous solution using silica extracted from rice husk, SN Appl. Sci., 2 (2020) 256, doi: 10.1007/s42452-020-2057-0.
  69. J.B.G. e Silva, E. Rigoti, S. Pergher, Rhodamine B adsorption in ordered mesoporous materials: a comparison efficiency on KIT-6 and CMK-8, Results Mater., 9 (2021) 100162, doi: 10.1016/j.rinma.2020.100162.
  70. S. Song, D. Wu, H. Zhao, Y. Cao, X. Wang, Y. Zhao, Fabrication of Co-FeOOH/g-C3N4 composite and its catalytic performance on heterogeneous photo-Fenton, Chin. J. Environ. Eng., 14 (2020) 3262–3269.
  71. F.A. Adekola, S.B. Ayodele, A.A. Inyinbor, Activated biochar prepared from plaintain peels: characterization and Rhodamine B adsorption data set, Chem. Data Collect., 19 (2019) 100170, doi:10.1016/j.cdc.2018.11.012.
  72. J. Zhang, X. Hu, X. Yan, R. Feng, M. Zhou, J. Xue, Enhanced adsorption of Rhodamine B by magnetic nitrogen-doped porous carbon prepared from bimetallic ZIFs, Colloids Surf., A, 575 (2019) 10–17.
  73. S. Rahdar, A. Rahdar, M.N. Zafar, S.S. Shafqat, S. Ahmadi, Synthesis and characterization of MgO supported Fe–Co–Mn nanoparticles with exceptionally high adsorption capacity for Rhodamine B dye, J. Mater. Res. Technol., 8 (2019) 3800–3810.
  74. S.H. Alwan, H.A.H. Alshamsi, L.S. Jasim, Rhodamine B removal on A-rGO/cobalt oxide nanoparticles composite by adsorption from contaminated water, J. Mol. Struct., 1161 (2018) 356–365.
  75. A.A. Inyinbor, F.A. Adekola, G.A. Olatunji, Kinetics, isotherms and thermodynamic modeling of liquid phase adsorption of Rhodamine B dye onto Raphia hookeri fruit epicarp, Water Resour. Ind., 15 (2016) 14–27.