, Guidelines for drinking-water quality. World Health Organization, 2011.

D. Kavak, Removal of lead from aqueous solutions by precipitation: statistical analysis and modeling, Desalin Water Treat, vol.51, pp.1720-1726, 2013.

A. M. Wilson, P. J. Bailey, P. A. Tasker, J. R. Turkington, R. A. Grant et al., Solvent extraction: the coordination chemistry behind extractive metallurgy, Chem Soc Rev, vol.43, pp.123-134, 2014.

Y. C. Lai, W. J. Lee, K. L. Huang, and C. M. Wu, Metal recovery from spent hydrodesulfurization catalysts using a combined acid-leaching and electrolysis process, J Hazard Mater, vol.154, pp.588-594, 2008.

P. Otrembska and J. Gega, Separation of nickel(II) and cadmium(II) ions with ion-exchange and membrane processes, Sep Sci Technol, vol.51, pp.2675-2680, 2016.

N. Kabay, M. Demircioglu, and S. Yayli, Recovery of uranium from phosphoric acid solutions using chelating ion-exchange resins, Ind Eng Chem Res, vol.37, pp.1983-1990, 1998.

Q. Cao, Y. Liu, X. Kong, L. Zhou, and H. Guo, Synthesis of phosphorus-modified poly, 2013.

, chelating resin and its adsorption properties of uranium(VI), J Radioanal Nucl Chem, vol.298, pp.1137-1147

C. Li, H. D. Duan, X. J. Wang, X. Meng, and D. W. Qin, Fabrication of porous resins via solubility differences for adsorption of cadmium (II), Chem Eng J, vol.262, pp.250-259, 2015.

G. L. Shao, J. F. Xiao, Z. H. Tian, J. J. Huang, and S. G. Yuan, Preparation and characterization of polyphenylene sulfidebased chelating resin-functionalized 2-amino-1,3,4-thiadiazole for selective removal Hg(II) from aqueous solutions, Polym Adv Technol, vol.29, pp.1030-1038, 2018.

Z. Cai, X. Song, Q. Zhang, and Y. Liu, Amidoxime surface modification of polyindole nanofiber membrane for effective removal of Cr(VI) from aqueous solution, J Mater Sci, vol.52, pp.5417-5434, 2017.

F. Chi, S. Zhang, J. Wen, J. Xiong, and S. Hu, Functional polymer brushes for highly efficient extraction of uranium from seawater, J Mater Sci, vol.54, pp.3572-3585, 2019.

Z. Yang, G. Chen, H. Weng, W. Shen, Z. Huang et al., Efficient and selective separation of U(VI) and Th(IV) from rare earths using functionalized hierarchically mesoporous silica, J Mater Sci, vol.53, pp.3398-3416, 2018.

D. J. Liu, C. C. Ding, and F. T. Chi, Polymer brushes on graphene oxide for efficient adsorption of heavy metal ions from water, J Appl Polym Sci, vol.136, p.48156, 2019.

H. Y. Wu, F. T. Chi, S. Zhang, J. Wen, J. Xiong et al., Control of pore chemistry in metal-organic frameworks for selective uranium extraction from seawater, Microporous Mesoporous Mater, vol.288, p.109567, 2019.

S. A. Sajjadi, A. Mohammadzadeh, and H. N. Tran, Efficient mercury removal from wastewater by pistachio wood wastes-derived activated carbon prepared by chemical activation using a novel activating agent, J Environ Manag, vol.223, pp.1001-1009, 2018.

R. Khamirchi, A. Hosseini-bandegharaei, and A. Alahabadi, Adsorption property of Br-PADAP-impregnated multiwall carbon nanotubes towards uranium and its performance in the selective separation and determination of uranium in different environmental samples, Ecotoxicol Environ Saf, vol.150, pp.136-143, 2018.

L. Carro, J. L. Barriada, R. Herrero, and M. De-vicente, Adsorptive behaviour of mercury on algal biomass: competition with divalent cations and organic compounds, J Hazard Mater, vol.192, pp.284-291, 2011.

A. Sinha, K. K. Pant, and S. K. Khare, Studies on mercury bioremediation by alginate immobilized mercury tolerant Bacillus cereus cells, Int Biodeterior Biodegrad, vol.71, pp.1-8, 2012.

A. Dutta, L. P. Zhou, . Castillo-araiza, D. Co, and E. Herdt, Cadmium(II), lead(II), and copper(II) biosorption on Baker's yeast (Saccharomyces cerevesiae), J Environ Eng, vol.142, p.6015002, 2016.

A. Safonov, V. Tregubova, and V. Ilin, Comparative study of lanthanum, vanadium, and uranium bioremoval using different types of microorganisms, Water Air Soil Pollut, vol.229, p.82, 2018.

L. Hu, L. Dai, R. Liu, and C. Si, Lignin-graft-poly(-acrylic acid) for enhancement of heavy metal ion biosorption, J Mater Sci, vol.52, pp.13689-13699, 2017.

D. Zhang, J. Xiao, Q. Guo, and J. Yang, 3D-printed highly porous and reusable chitosan monoliths for Cu, 2019.

, J Mater Sci, vol.54, pp.6728-6741

J. Wei, Z. Yang, and Y. Sun, Nanocellulose-based magnetic hybrid aerogel for adsorption of heavy metal ions from water, J Mater Sci, vol.54, pp.6709-6718, 2019.

K. Vijayaraghavan, S. Rangabhashiyam, T. Ashokkumar, and J. Arockiaraj, Mono-and multi-component biosorption of lead(II), cadmium(II), copper(II) and nickel(II) ions onto coco-peat biomass, Sep Sci Technol, vol.51, pp.2725-2733, 2016.

H. N. Tran and H. P. Chao, Adsorption and desorption of potentially toxic metals on modified biosorbents through new green grafting process, Environ Sci Pollut Res, vol.25, pp.12808-12820, 2018.

I. Vold, K. M. Varum, E. Guibal, and O. Smidsrod, Binding of ions to chitosan-selectivity studies, Carbohydr Polym, vol.54, pp.471-477, 2003.

G. Roberts, Chitin chemistry, 1992.

E. Guibal, Interactions of metal ions with chitosanbased sorbents: a review, Sep Purif Technol, vol.38, pp.43-74, 2004.

J. D. Giraldo, B. L. Rivas, E. Elgueta, and A. Mancisidor, Metal ion sorption by chitosan-tripolyphosphate beads, J Appl Polym Sci, vol.134, p.45511, 2017.

M. A. Ruiz, A. M. Sastre, and E. Guibal, Pd and Pt recovery using chitosan gel beads: I. Influence of drying process on diffusion properties, Sep Sci Technol, vol.37, pp.2143-2166, 2002.

A. Djelad, A. Morsli, M. Robitzer, A. Bengueddach, F. Di-renzo et al., Sorption of Cu(II) ions on chitosanzeolite X composites: impact of gelling and drying conditions, Molecules, vol.21, p.109, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01260511

M. Wan, C. Kan, B. D. Rogel, and M. Dalida, Adsorption of copper (II) and lead (II) ions from aqueous solution on chitosan-coated sand, Carbohydr Polym, vol.80, pp.891-899, 2010.

J. Meng, J. Cui, and J. Yu, Preparation of green chelating fibers and adsorption properties for Cd(II) in aqueous solution, J Mater Sci, vol.53, pp.2277-2289, 2018.

H. Javadian, M. Ghaemy, and M. Taghavi, Adsorption kinetics, isotherm, and thermodynamics of Hg 2? to polyaniline/hexagonal mesoporous silica nanocomposite in water/wastewater, J Mater Sci, vol.49, pp.232-242, 2014.

M. F. Hamza, Y. Wei, H. I. Mira, A. Abdel-rahman, and E. Guibal, Synthesis and adsorption characteristics of grafted hydrazinyl amine magnetite-chitosan for Ni(II) and Pb(II) recovery, Chem Eng J, vol.362, pp.310-324, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02425055

M. F. Hamza, J. Roux, and E. Guibal, Uranium and europium sorption on amidoxime-functionalized magnetic chitosan micro-particles, Chem Eng J, vol.344, pp.124-137, 2018.
URL : https://hal.archives-ouvertes.fr/hal-02884625

M. F. Hamza and A. Abdel-rahman, Extraction studies of some hazardous metal ions using magnetic peptide resins, J Dispers Sci Technol, vol.36, pp.411-422, 2015.

G. R. Mahdavinia and E. Shokri, Synthesis and characterization of magnetic amidoximated chitosan-g poly (polyacrylonitrile)/laponite RD nanocomposites with enhanced adsorption capacity for Cu 2?, Turk J Chem, vol.41, pp.135-152, 2017.

A. J. Varma, S. V. Deshpande, and J. F. Kennedy, Metal complexation by chitosan and its derivatives: a review, Carbohydr Polym, vol.55, pp.77-93, 2004.

K. Z. Elwakeel and A. A. Atia, Uptake of U(VI) from aqueous media by magnetic Schiff's base chitosan composite, J Clean Prod, vol.70, pp.292-302, 2014.

W. Liang, M. L. Li, and Z. Q. Zhang, Decontamination of Hg(II) from aqueous solution using polyamine-cothiourea inarched chitosan gel derivatives, Int J Biol Macromol, vol.113, pp.106-115, 2018.

J. D. Merrifield, W. G. Davids, J. D. Macrae, and A. Amirbahman, Uptake of mercury by thiol-grafted chitosan gel beads, Water Res, vol.38, pp.3132-3138, 2004.

J. Roosen and K. Binnemans, Adsorption and chromatographic separation of rare earths with EDTA-and DTPA-functionalized chitosan biopolymers, J Mater Chem A, vol.2, pp.1530-1540, 2014.

M. F. Hamza, M. M. Aly, and A. Abdel-rahman, Functionalization of magnetic chitosan particles for the sorption of U(VI), Materials, vol.10, pp.539-560, 2017.
URL : https://hal.archives-ouvertes.fr/hal-02892701

M. V. Lopez-ramon, F. Stoeckli, C. Moreno-castilla, and F. Carrasco-marin, On the characterization of acidic and basic surface sites on carbons by various techniques, Carbon, vol.37, pp.1215-1221, 2009.

Y. S. Ho and G. Mckay, Pseudo-second order model for sorption processes, Process Biochem, vol.34, pp.451-465, 1999.

J. Crank, The mathematics of diffusion, 1975.

K. Y. Foo and B. H. Hameed, Insights into the modeling of adsorption isotherm systems, Chem Eng J, vol.156, pp.2-10, 2010.

H. Freundlich, Uber die adsorption in lasungen, Z Phys Chem, vol.57, pp.385-470, 1906.

K. Lau and K. K. Gleason, Particle surface design using an all-dry encapsulation method, Adv Mater, vol.18, pp.1972-1977, 2006.

C. Teng, C. Ma, and C. Lu, Thermal conductivity and structure of non-covalent functionalized graphene/epoxy composites, Carbon, vol.49, pp.5107-5116, 2011.

E. Desimoni and B. Brunetti, X-ray photoelectron spectroscopic characterization of chemically modified electrodes used as chemical sensors and biosensors: a review, Chemosensors, vol.3, pp.70-117, 2015.

L. Hernan, J. Morales, J. Santos, J. P. Espinos, and A. R. Gonzalez-elipe, Preparation and characterization of diamine intercalation compounds of misfit layer sulfides, J Mater Chem, vol.8, pp.2281-2286, 1998.

C. K. Liu, R. B. Bai, and Q. S. Ly, Selective removal of copper and lead ions by diethylenetriamine-functionalized adsorbent: behaviors and mechanisms, Water Res, vol.42, pp.1511-1522, 2008.

S. B. Deng, R. B. Bai, and J. P. Chen, Aminated polyacrylonitrile fibers for lead and copper removal, Langmuir, vol.19, pp.5058-5064, 2003.

T. Dong, L. Yang, and F. Pan, Effect of immobilized amine density on cadmium(II) adsorption capacities for ethanediamine-modified magnetic poly-(glycidyl methacrylate) microspheres, J Magn Magn Mater, vol.427, pp.289-295, 2017.

L. Lv, J. Zhang, and S. Yuan, Enhanced adsorption of Cu(II) ions on chitosan microspheres functionalized with polyethylenimine-conjugated poly(glycidyl methacrylate) brushes, RSC Adv, vol.6, pp.78136-78150, 2016.

L. Zheng, D. Peng, and P. Meng, Promotion effects of nitrogenous and oxygenic functional groups on cadmium (II) removal by carboxylated corn stalk, J Clean Prod, vol.201, pp.609-623, 2018.

Y. Xu, X. B. Zeng, G. Q. Luo, Y. Q. Xu, X. Li et al., Study on the effects of carrier and modifier on mercury adsorption behavior over halides modified sorbents using temperature programmed desorption method, Fuel Process Technol, vol.178, pp.293-300, 2018.

T. Yamashita and P. Hayes, Analysis of XPS spectra of Fe 2? and Fe 3? ions in oxide materials, Appl Surf Sci, vol.254, pp.2441-2449, 2008.

G. Z. Kyzas, P. I. Siafaka, E. G. Pavlidou, K. J. Chrissafis, and D. N. Bikiaris, Synthesis and adsorption application of succinyl-grafted chitosan for the simultaneous removal of zinc and cationic dye from binary hazardous mixtures, Chem Eng J, vol.259, pp.438-448, 2015.

J. F. Madrid, G. M. Nuesca, and L. V. Abad, Amine functionalized radiation-induced grafted water hyacinth fibers for Pb 2? , Cu 2? and Cr 3? uptake, Radiat Phys Chem, vol.97, pp.246-252, 2014.

A. M. Atta, A. Abdel-rahman, M. F. Hamza, I. E. El-aassy, and F. Y. Ahmed, Effect of crosslinker chemical structure and monomer compositions on adsorption of uranium (VI) ions based on reactive crosslinked acrylamidoxime acrylic acid resins, J Dispers Sci Technol, vol.33, pp.490-496, 2012.

M. F. Hamza and I. E. El-aassy, Solid phase extraction of uranium removal from underground water, Desalin Water Treat, vol.52, pp.331-338, 2014.

R. R. Escudero, M. Robitzer, D. Renzo, F. Quignard, and F. , Alginate aerogels as adsorbents of polar molecules from liquid hydrocarbons: hexanol as probe molecule, Carbohydr Polym, vol.75, pp.52-57, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00323372

R. G. Pearson, Acids and bases, Science, vol.151, pp.172-177, 1966.

S. V. Avery and J. M. Tobin, Mechanisms of adsorption of hard and soft metal-ions to Sacharromyces cerevisiae and influence of hard and soft anions, Appl Environ Microbiol, vol.59, pp.2851-2856, 1993.

J. M. Tobin, D. G. Cooper, and R. J. Neufeld, Uptake of metalions by Rhizopus arrizus biomass, Appl Environ Microbiol, vol.47, pp.821-824, 1984.

S. S. Basarir and N. P. Bayramgil, The uranium recovery from aqueous solutions using amidoxime modified cellulose derivatives. IV. Recovery of uranium by amidoximated hydroxypropyl methylcellulose, Cellulose, vol.20, pp.827-839, 2013.

P. Metilda, K. Sanghamitra, J. M. Gladis, G. Naidu, and T. P. Rao, Amberlite XAD-4 functionalized with succinic acid for the solid phase extractive preconcentration and separation of uranium(VI), Talanta, vol.65, pp.192-200, 2005.

J. B. Yang and B. Volesky, Biosorption of uranium on Sargassum biomass, Water Res, vol.33, pp.3357-3363, 1999.

E. A. Imam, -. El, I. El-sayed, and M. G. Mahfouz, Synthesis of a-aminophosphonate functionalized chitosan sorbents: effect of methyl vs phenyl group on uranium sorption, Chem Eng J, vol.352, pp.1022-1034, 2018.

R. S. Ayers and D. W. Westcot, In: FAO (ed) Food and agriculture organization of United Nations, vol.20, 1994.

S. Liu, Y. Yang, T. Liu, and W. Wu, Recovery of uranium(VI) from aqueous solution by 2-picolylamine functionalized polystyrene-co-maleic anhydride) resin, 2017.

, J Colloid Interface Sci, vol.497, pp.385-392

X. Guo, Y. Feng, and L. Ma, Phosphoryl functionalized mesoporous silica for uranium adsorption, Appl Surf Sci, vol.402, pp.53-60, 2017.

H. H. El-maghrabi, S. M. Abdelmaged, and A. A. Nada, Magnetic graphene based nanocomposite for uranium scavenging, J Hazard Mater, vol.322, pp.370-379, 2017.

H. Liu, P. Jing, X. Liu, K. Du, and Y. Sun, Synthesis of beta-cyclodextrin functionalized silica gel and its application for adsorption of uranium(VI), J Radioanal Nucl Chem, vol.310, pp.263-270, 2016.

G. Bayramoglu and M. Y. Arica, MCM-41 silica particles grafted with polyacrylonitrile: modification into amidoxime and carboxyl groups for enhanced uranium removal from aqueous medium, Microporous Mesoporous Mater, vol.226, pp.117-124, 2016.

M. Solgy, M. Taghizadeh, and D. Ghoddocynejad, Adsorption of uranium(VI) from sulphate solutions using Amberlite IRA-402 resin: equilibrium, kinetics and thermodynamics study, Ann Nucl Energy, vol.75, pp.132-138, 2015.

I. A. Erkaya, M. Y. Arica, A. Akbulut, and G. Bayramoglu, Biosorption of uranium(VI) by free and entrapped Chlamydomonas reinhardtii: kinetic, equilibrium and thermodynamic studies, J Radioanal Nucl Chem, vol.299, pp.1993-2003, 2014.

X. Zhang, J. Wang, and R. Li, Preparation of Fe 3-O 4 @C@layered double hydroxide composite for magnetic separation of uranium, Ind Eng Chem Res, vol.52, pp.10152-10159, 2013.

K. Z. Elwakeel, A. A. Atia, and E. Guibal, Fast removal of uranium from aqueous solutions using tetraethylenepentamine modified magnetic chitosan resin, Bioresour Technol, vol.160, pp.107-114, 2014.

M. Prodromou and I. Pashalidis, Uranium adsorption by non-treated and chemically modified cactus fibres in aqueous solutions, J Radioanal Nucl Chem, vol.298, pp.1587-1595, 2013.

J. Bai, F. Fan, and X. Wu, Equilibrium, kinetic and thermodynamic studies of uranium biosorption by calcium alginate beads, J Environ Radioact, vol.126, pp.226-231, 2013.

M. K. Sureshkumar, D. Das, M. B. Mallia, and P. C. Gupta, Adsorption of uranium from aqueous solution using chitosan-tripolyphosphate (CTPP) beads, J Hazard Mater, vol.184, pp.65-72, 2010.

D. Perez-quintanilla, A. Sanchez, and I. Sierra, Preparation of hybrid organic-inorganic mesoporous silicas applied to mercury removal from aqueous media: influence of the synthesis route on adsorption capacity and efficiency, J Colloid Interface Sci, vol.472, pp.126-134, 2016.

G. Xu, L. Wang, Y. J. Xie, M. L. Tao, and W. Q. Zhang, Highly selective and efficient adsorption of Hg 2? by a recyclable aminophosphonic acid functionalized polyacrylonitrile fiber, J Hazard Mater, vol.344, pp.679-688, 2018.

K. Z. Elwakeel and E. Guibal, Selective removal of Hg(II) from aqueous solution by functionalized magnetic-macromolecular hybrid material, Chem Eng J, vol.281, pp.345-359, 2015.

E. Yavuz, G. T. Turan, S. Alkazan, and B. F. Senkal, Preparation of crosslinked quaternary amide-sulfonamide resin for removal of mercury ions from aqueous solutions, Desalin Water Treat, vol.56, pp.2145-2153, 2015.

S. Das, A. Samanta, G. Gangopadhyay, and J. S. , Claybased nanocomposites as recyclable adsorbent toward Hg(II) capture: experimental and theoretical understanding, ACS Omega, vol.3, pp.6283-6292, 2018.

S. Cataldo, A. Gianguzza, A. Pettignano, and I. Villaescusa, Mercury(II) removal from aqueous solution by sorption onto alginate, pectate and polygalacturonate calcium gel beads. A kinetic and speciation based equilibrium study, React Funct Polym, vol.73, pp.207-217, 2013.

K. K. Krishnani, X. G. Meng, C. Christodoulatos, and V. M. Boddu, Biosorption mechanism of nine different heavy metals onto biomatrix from rice husk, J Hazard Mater, vol.153, pp.1222-1234, 2008.

Y. N. Mata, M. L. Blazquez, A. Ballester, F. Gonzalez, and J. A. Munoz, Biosorption of cadmium, lead and copper with calcium alginate xerogels and immobilized Fucus vesiculosus, J Hazard Mater, vol.163, pp.555-562, 2009.

T. Trakulsujaritchok, N. Noiphom, N. Tangtreamjitmun, and R. Saeeng, Adsorptive features of poly(glycidyl methacrylate-co-hydroxyethyl methacrylate): effect of porogen formulation on heavy metal ion adsorption, 2011.

, J Mater Sci, vol.46, pp.5350-5362

N. Ferrah, O. Abderrahim, A. Didi, M. Villemein, and D. , Sorption efficiency of a new sorbent towards cadmium(II): methylphosphonic acid grafted polystyrene resins, J Chem, p.980825, 2013.

A. Demirbas, E. Pehlivan, F. Gode, T. Altun, and G. Arslan, Pb(II), and Cd(II) from aqueous solution on amberlite IR-120 synthetic resin, Adsorption of Cu(II), Zn(II), Ni(II), vol.282, pp.20-25, 2005.

A. Hamouz, O. , and A. Sa, Removal of zinc and cadmium ions using a cross-linked polyaminophosphonate, J Macromol Sci A, vol.50, pp.375-384, 2013.

K. S. Rao, G. R. Chaudhury, and B. K. Mishra, Kinetics and equilibrium studies for the removal of cadmium ions from aqueous solutions using Duolite ES 467 resin, Int J Miner Process, vol.97, pp.68-73, 2010.

F. Wang, L. J. Wang, J. S. Li, X. Y. Sun, and W. Q. Han, Adsorption behavior and mechanism of cadmium on strong-acid cation exchange resin, Trans Nonferrous Met Soc China, vol.19, pp.740-744, 2009.

M. Q. Liu, Z. A. Tao, H. C. Wang, F. Zhao, and Q. Sun, Preparation and characterization of a series of porous anionexchanger chelating fibers and their adsorption behavior with respect to removal of cadmium(II), RSC Adv, vol.6, pp.115222-115237, 2016.