M. A. Anderson, J. F. Ferguson, and J. Gavis, Arsenate adsorption on amorphous aluminum hydroxide, Journal of Colloid and Interface Science, vol.54, issue.3, pp.391-399, 1976.
DOI : 10.1016/0021-9797(76)90318-0

F. Barbuceanu, C. Diaconua, D. Stamate, S. Raita, A. Popovici et al., Histopathological Study of Brain from Cattle with Nervous Symptomatology, Agriculture and Agricultural Science Procedia, vol.6, pp.287-292, 2015.
DOI : 10.1016/j.aaspro.2015.08.074

J. Brown, G. E. Parks, and G. A. , Sorption of Trace Elements on Mineral Surfaces: Modern Perspectives from Spectroscopic Studies, and Comments on Sorption in the Marine Environment, International Geology Review, vol.41, issue.11, pp.963-1073, 2001.
DOI : 10.1016/0166-6622(92)80247-Y

S. Brunauer, P. H. Emmett, and E. Teller, Adsorption of Gases in Multimolecular Layers, Journal of the American Chemical Society, vol.60, issue.2, pp.309-319, 1938.
DOI : 10.1021/ja01269a023

Y. Chang and D. Chen, Preparation and adsorption properties of monodisperse chitosan-bound Fe3O4 magnetic nanoparticles for removal of Cu(II) ions, Journal of Colloid and Interface Science, vol.283, issue.2, 2005.
DOI : 10.1016/j.jcis.2004.09.010

B. D. Cullity, Elements of X-ray Diffraction, 1956.

H. A. Elliott and C. P. Huang, Adsorption characteristics of some Cu(II) complexes on aluminosilicates, Water Research, vol.15, issue.7, p.849, 1981.
DOI : 10.1016/0043-1354(81)90139-1

J. F. Ferguson and J. Gavis, A review of the arsenic cycle in natural waters, Water Research, vol.6, issue.11, 1972.
DOI : 10.1016/0043-1354(72)90052-8

B. Gilbert and J. F. Banfield, Molecular-Scale Processes Involving Nanoparticulate Minerals in Biogeochemical Systems, Reviews in Mineralogy and Geochemistry, vol.59, issue.1, pp.109-155, 2005.
DOI : 10.2138/rmg.2005.59.6

J. Gómez-pastora, E. Bringas, and I. Ortiz, Recent progress and future challenges on the use of high performance magnetic nano-adsorbents in environmental applications, Chemical Engineering Journal, vol.256, 2014.
DOI : 10.1016/j.cej.2014.06.119

P. R. Graves, C. Johnston, and J. J. Campaniello, Raman scattering in spinel structure ferrites, Materials Research Bulletin, vol.23, issue.11, pp.1651-1660, 1988.
DOI : 10.1016/0025-5408(88)90255-3

R. Guégan, M. Giovanela, and M. Motelica-heino, Nonionic organoclay: A ???Swiss Army knife??? for the adsorption of organic micro-pollutants?, Journal of Colloid and Interface Science, vol.437, issue.1, pp.71-79, 2015.
DOI : 10.1016/j.jcis.2014.09.043

J. He and L. Charlet, A review of arsenic presence in China drinking water, Journal of Hydrology, vol.492, pp.79-88, 2013.
DOI : 10.1016/j.jhydrol.2013.04.007

F. J. Hingston, A. M. Posner, and J. P. Quirk, ANION ADSORPTION BY GOETHITE AND GIBBSITE, Journal of Soil Science, vol.34, issue.2, pp.177-192, 1972.
DOI : 10.1111/j.1365-2389.1972.tb01652.x

P. H. Hsu and D. A. Rennie, Reactions of phosphate in aluminum system, 1962.

S. Huang and D. Chen, Rapid removal of heavy metal cations and anions from aqueous solutions by an amino-functionalized magnetic nano-adsorbent, Journal of Hazardous Materials, vol.163, issue.1, pp.174-179, 2009.
DOI : 10.1016/j.jhazmat.2008.06.075

R. O. James and T. W. Healy, Adsorption Of Hydrolysable Metal Ions At The, 1972.

A. M. Jubb and H. C. Allen, Vibrational Spectroscopic Characterization of Hematite, Maghemite, and Magnetite Thin Films Produced by Vapor Deposition, ACS Applied Materials & Interfaces, vol.2, issue.10, pp.2804-2812, 2010.
DOI : 10.1021/am1004943

S. R. Kanel, J. Greneche, and H. Choi, Arsenic(V) Removal from Groundwater Using Nano Scale Zero-Valent Iron as a, Colloidal Reactive Barrier Material Environ. Sci. Technol, vol.40, pp.2045-2050, 2006.

E. O. Kartinen and C. J. Martin, An overview of arsenic removal processes, Desalination, vol.103, issue.1-2, 1995.
DOI : 10.1016/0011-9164(95)00089-5

R. Khatiri, A. Reyhani, S. Z. Mortazavi, and M. Hossainalipour, Preparation and characterization of Fe3O4/SiO2/APTES core-shell nanoparticles The adsorption of gases on plane surfaces of glass, mica and platinum, Proceedings of the 4th International Conference on Nanostructures (ICNS4) 12-14 March, pp.1361-1403, 1918.

D. Lee, G. S. Cho, H. M. Lim, D. S. Kim, C. Kim et al., Comparisons of particle size measurement method for colloidal silica, J. Ceram. Process. Res, vol.14, pp.274-278, 2013.

R. Liu, B. Zhang, D. Mei, H. Zhang, and J. Liu, Adsorption of methyl violet from aqueous solution by halloysite nanotubes, Desalination, vol.268, issue.1-3, pp.111-116, 2011.
DOI : 10.1016/j.desal.2010.10.006

X. Q. Liu, Z. Y. Ma, J. M. Xing, and H. Liu, Preparation and characterization of amino???silane modified superparamagnetic silica nanospheres, Journal of Magnetism and Magnetic Materials, vol.270, issue.1-2, pp.1-6, 2004.
DOI : 10.1016/j.jmmm.2003.07.006

S. Lunge, S. Singh, and A. Sinha, Magnetic iron oxide (Fe3O4) nanoparticles from tea waste for arsenic removal, Journal of Magnetism and Magnetic Materials, vol.356, pp.21-31, 2014.
DOI : 10.1016/j.jmmm.2013.12.008

M. Mahdavi, M. B. Ahmad, M. J. Haron, F. Namvar, B. Nadi et al., Synthesis, Surface Modification and Characterisation of Biocompatible Magnetic Iron Oxide Nanoparticles for Biomedical Applications, Molecules, vol.18, issue.7, pp.7533-7548
DOI : 10.3390/molecules18077533

R. Massart, Magnetic fluids and process for obtaining them, p.18842, 1979.

R. Massart, Magnetic fluids and process for obtaining them, U.S. Patent, vol.4, issue.329, p.241, 1982.

M. Tomson and V. L. Colvin, The effect of nanocrystalline magnetite size on arsenic removal, Sci. Technol. Adv. Mater, vol.8, pp.71-75, 2007.

D. Mehta, S. Mazumdar, and S. K. Singh, Magnetic adsorbents for the treatment of water/wastewater???A review, Journal of Water Process Engineering, vol.7, pp.244-265, 2015.
DOI : 10.1016/j.jwpe.2015.07.001

P. Mondal, C. B. Majumder, and B. Mohanty, Effects of adsorbent dose, its particle size and initial arsenic concentration on the removal of arsenic, iron and manganese from simulated ground water by Fe3+ impregnated activated carbon, Journal of Hazardous Materials, vol.150, issue.3, pp.695-702, 2008.
DOI : 10.1016/j.jhazmat.2007.05.040

K. K. Panday, G. Prasad, and V. N. Singh, Copper(II) removal from aqueous solutions by fly ash, Water Research, vol.19, issue.7, pp.869-873, 1985.
DOI : 10.1016/0043-1354(85)90145-9

A. A. Pandit, S. S. More, R. G. Dorik, and K. M. Jadhav, Structural and magnetic properties of Co1+ySnyFe2-2y-xCrxO4 ferrite system, Bulletin of Materials Science, vol.21, issue.5, pp.517-521, 2003.
DOI : 10.1007/BF02707350

D. Predoi, A study on iron oxide nanoparticles coated with dextrin obtained by coprecipitation, Dig. J. Nanomater. Bios, vol.2, pp.169-173, 2007.

N. Savage and M. S. Diallo, Nanomaterials and Water Purification: Opportunities and Challenges, Journal of Nanoparticle Research, vol.5, issue.15, pp.331-342, 2005.
DOI : 10.1007/s11051-005-7523-5

U. Schwertmann and R. M. Cornell, The Iron Oxide: Structure, Properties, Reactions, Occurrence and Uses, 2003.

O. N. Shebanova and P. Lazor, Raman spectroscopic study of magnetite (FeFe2O4): a new assignment for the vibrational spectrum, Journal of Solid State Chemistry, vol.174, issue.2, pp.424-430, 2003.
DOI : 10.1016/S0022-4596(03)00294-9

K. Simeonidis, T. Gkinis, S. Tresintsi, C. Martinez-boubeta, G. Vourlias et al., Magnetic separation of hematite-coated Fe3O4 particles used as arsenic adsorbents, Chemical Engineering Journal, vol.168, issue.3, pp.1008-1015, 2011.
DOI : 10.1016/j.cej.2011.01.074

S. Singh, K. C. Barick, and D. Bahadur, Surface engineered magnetic nanoparticles for removal of toxic metal ions and bacterial pathogens, Journal of Hazardous Materials, vol.192, issue.3, pp.1539-1547, 2011.
DOI : 10.1016/j.jhazmat.2011.06.074

R. Sivashankar, A. B. Sathya, K. Vasantharaj, and V. Sivasubramanian, Magnetic composite an environmental super adsorbent for dye sequestration ??? A review, Environmental Nanotechnology, Monitoring & Management, vol.1, issue.2, pp.1-2, 2014.
DOI : 10.1016/j.enmm.2014.06.001

P. L. Smedley and D. G. Kinniburgh, A review of the source, behaviour and distribution of arsenic in natural waters, Applied Geochemistry, vol.17, issue.5, pp.517-568, 2002.
DOI : 10.1016/S0883-2927(02)00018-5

W. Stumm and H. Bilinski, Trace metals in natural waters, Proceeding of the 6th International Conference on Water Pollution Research, 1972.

T. Thiebault, R. Guégan, and M. Boussafir, Adsorption Mechanisms of Emerging Micropollutants with a clay Mineral: Case of Tramadol and Doxepine Pharmaceutical Products, J
URL : https://hal.archives-ouvertes.fr/insu-01163181

A. Ö. Tuna, E. Özdemir, E. B. ?im?ek, and U. Beker, Removal of As(V) from aqueous solution by activated carbon-based hybrid adsorbents: Impact of experimental conditions, Chemical Engineering Journal, vol.223, pp.116-128, 2013.
DOI : 10.1016/j.cej.2013.02.096

X. S. Wang, L. Zhu, and H. J. Lu, Surface chemical properties and adsorption of Cu (II) on nanoscale magnetite in aqueous solutions, Desalination, vol.276, issue.1-3, pp.154-160, 2011.
DOI : 10.1016/j.desal.2011.03.040

G. Yang, Y. Liu, and S. Song, Competitive adsorption of As(V) with co-existing ions on porous hematite in aqueous solutions, Journal of Environmental Chemical Engineering, vol.3, issue.3, pp.1497-1503, 2015.
DOI : 10.1016/j.jece.2015.05.011

K. Yang, H. Peng, Y. Wen, and N. Li, Re-examination of characteristic FTIR spectrum of secondary layer in bilayer oleic acid-coated Fe3O4 nanoparticles, Applied Surface Science, vol.256, issue.10, pp.3093-3097, 2010.
DOI : 10.1016/j.apsusc.2009.11.079

H. J. Shipley, A. Kan, M. Tomson, D. Natelson, and V. L. Colvin, Low-Field Magnetic Separation of Monodisperse Fe3O4 Nanocrystals, Science, vol.314, pp.964-967, 2006.

H. Rundlof, Preparation of Zn substituted Ni?Fe?Cr ferrites and study of the crystal structure by neutron diffraction, Mater. Lett, vol.57, pp.4243-4250, 2003.

?. Fe, Mn binary oxide adsorbent for effective arsenite removal, Water. Res, vol.41, pp.1921-1928

J. Zhu, S. A. Baig, T. Sheng, Z. Lou, Z. Wang et al., Fe3O4 and MnO2 assembled on honeycomb briquette cinders (HBC) for arsenic removal from aqueous solutions, Journal of Hazardous Materials, vol.286, pp.220-228, 2015.
DOI : 10.1016/j.jhazmat.2015.01.004