N. Kanari, N. Menad, E. Ostrosi, S. Shallari, F. Diot et al., Thermal behavior of hydrated iron sulfate in various atmospheres, vol.8, 1084.
URL : https://hal.archives-ouvertes.fr/hal-02167698

N. Kanari, I. Filippova, F. Diot, J. Mochón, I. Ruiz-bustinza et al., Utilization of a waste from titanium oxide industry for the synthesis of sodium ferrate by gas-solid reactions, Thermochim. Acta, vol.575, pp.219-225, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01452441

, Harmonizing the Programmes for the Reduction and Eventual Elimination of Pollution Caused by Waste from the Titanium Dioxide Industry, Council Directive 92/112/EEC of 15 December 1992 on Procedures for, 2019.

M. J. Gázquez, J. P. Bolívar, R. García-tenorio, and F. Vaca, Physicochemical characterization of raw materials and co-products from the titanium dioxide industry, J. Hazard. Mater, vol.166, pp.1429-1440, 2009.

X. Li, Z. Lei, J. Qu, Z. Li, X. Zhou et al., Synthesizing slow-release fertilizers via mechanochemical processing for potentially recycling the waste ferrous sulfate from titanium dioxide production, J. Environ. Manag, vol.186, pp.120-126, 2017.

L. Wu, Z. Wang, X. Li, H. Guo, L. Li et al., Cation-substituted LiFePO 4 prepared from the FeSO 4 ·7H 2 O waste slag as a potential Li battery cathode material, J. Alloys Compd, vol.497, pp.278-284, 2010.

P. Huang, S. Deng, Z. Zhang, X. Wang, X. Chen et al., A sustainable process to utilize ferrous sulfate waste from titanium oxide industry by reductive decomposition reaction with pyrite, Thermochim. Acta, vol.620, pp.18-27, 2015.

N. Kanari, O. Evrard, N. Neveux, and L. Ninane, Recycling ferrous sulfate via super-oxidant synthesis, JOM, vol.53, pp.32-33, 2001.
URL : https://hal.archives-ouvertes.fr/hal-01511430

N. Kanari, E. Ostrosi, L. Ninane, N. Neveux, and O. Evrard, Synthesizing alkali ferrates using a waste as a raw material, JOM, vol.57, pp.39-42, 2005.

N. Kanari, L. Filippov, F. Diot, J. Mochón, I. Ruiz-bustinza et al., Synthesis of potassium ferrate using residual ferrous sulfate as iron bearing material, J. Phys. Conf. Ser, vol.416, 2013.

E. Fremy, Recherches sur l'action des peroxides alcalins sur les oxides métalliques: Lettre de M, Fremy à M. Pelouze. Comptes Rendus de l'Académie des Sci, vol.12, pp.23-24, 1841.

E. Fremy, Recherches sur les acides métalliques. Comptes Rendus de l'Académie des Sci Paris 1842, vol.14, pp.442-446

E. Fremy, Recherches sur les acides métalliques, Annales de Chimie et de Phys, vol.1844, pp.361-382

K. Whal, W. Klemm, and G. Wehrmeyer, Über einige oxokomplexe von übergangselementen, Z. Anorg. Allg. Chem, vol.285, pp.322-336, 1956.

N. S. Kiselev, N. S. Kopelev, N. A. Zavyalova, and Y. D. Perfiliev, The preparation of alkali metal ferrates(VI), Russ. J. Inorg. Chem, vol.34, pp.1250-1253, 1989.

M. Cici and Y. Cuci, Production of some coagulant materials from galvanizing workshop waste. Waste Manag, vol.17, pp.407-410, 1998.

L. T. Ockerman and J. M. Schreyer, Preparation of sodium ferrate (VI), J. Am. Chem. Soc, vol.73, 1951.

J. M. Schreyer, G. W. Thompson, and L. T. Ockerman, Potassium ferrate (VI), Inorg. Synth, vol.4, pp.164-167, 1953.

D. H. Williams and J. T. Riley, Preparation and alcohol oxidation studies of the ferrate (VI) ion, Inorg. Chim. Acta, vol.8, pp.177-183, 1974.

Y. Lee, M. Cho, J. Y. Kim, and J. Yoon, Chemistry of ferrrate (Fe(VI)) in aqueous solution and its applications as a green chemical, J. Ind. Eng. Chem, vol.10, pp.161-171, 2004.

S. Licht, R. Tel-vered, and L. Halperin, Direct electrochemical preparation of solid Fe(VI) ferrate, and super-iron battery compounds, Electrochem. Commun, vol.4, pp.933-937, 2002.

Z. Mácová, K. Bouzek, J. Híve?, V. K. Sharma, R. J. Terryn et al., Research progress in the electrochemical synthesis of ferrate(VI), Electrochim. Acta, vol.54, pp.2673-2683, 2009.

X. Sun, Q. Zhang, H. Liang, L. Ying, M. Xiangxu et al., Ferrate(VI) as a greener oxidant: Electrochemical generation and treatment of phenol, J. Hazard. Mater, vol.319, pp.130-136, 2016.

N. Kanari, E. Allain, S. Shallari, F. Diot, S. Diliberto et al., Thermochemical route for extraction and recycling of critical, strategic and high value elements from by-products and end-of-life materials, Part I: Treatment of a copper by-product in air atmosphere, Materials, vol.12, 1625.
URL : https://hal.archives-ouvertes.fr/hal-02167649

C. Jeannot, B. Malaman, R. Gérardin, and B. Oulladiaf, Synthesis, crystal and magnetic structures of the sodium ferrate (IV) Na 4 FeO 4 studied by neutron diffraction and Mössbauer techniques, J. Solid State Chem, vol.165, pp.266-277, 2002.

N. Kanari and E. Allain, Gaballah, I. Reactions of wüstite and hematite with different chlorinating agents, Thermochim. Acta, vol.335, pp.79-86, 1999.

I. Gaballah, S. Ivanaj, and N. Kanari, Kinetics of chlorination and oxychlorination of chromium (III) oxide, Metall. Mat. Trans. B, vol.29, pp.1299-1308, 1998.
URL : https://hal.archives-ouvertes.fr/hal-01508117

N. Kanari, I. Gaballah, and E. Allain, Kinetics of oxychlorination of chromite Part I. Effect of temperature, Thermochim. Acta, vol.371, pp.143-154, 2001.
URL : https://hal.archives-ouvertes.fr/hal-01507428

N. Kanari, I. Gaballah, and E. Allain, Kinetics of oxychlorination of chromite Part II. Effect of reactive gases, Thermochim. Acta, vol.371, pp.75-86, 2001.
URL : https://hal.archives-ouvertes.fr/hal-01507425

A. Roine, Outokumpu HSC Chemistry for Windows Version 3.0; Outokumpu Research, 1997.

C. Y. Wen and Y. H. Yu, A generalized method for predicting the minimum fluidization velocity, AIChE J, vol.12, pp.610-612, 1966.

V. K. Sharma, Potassium ferrate(VI): An environmentally friendly oxidant, Adv. Environ. Res, vol.6, pp.143-156, 2002.

V. K. Sharma and . Ferrate, V) oxidation of pollutants: A premix pulse radiolysis study, Radiat. Phys. Chem, vol.65, pp.349-355, 2002.

L. Ninane, N. Kanari, C. Criado, C. Jeannot, O. Evrard et al., New processes for alkali ferrate synthesis, Ferrates: Synthesis, Properties and Applications in Water and Wastewater Treatment

V. K. Sharma and . Ed, , pp.102-111, 2008.

J. Q. Jiang, Research progress in the use of ferrate(VI) for the environmental remediation, J. Hazard. Mater, vol.146, pp.617-623, 2007.

M. Alsheyab, J. Jiang, and C. Stanford, On-line production of ferrate with an electrochemical method and its potential application for wastewater treatment-A review, J. Environ. Manag, vol.90, pp.1350-1356, 2009.

Y. L. Wang, S. H. Ye, Y. Y. Wang, J. S. Cao, and F. Wu, Structural and electrochemical properties of a K 2 FeO 4 cathode for rechargeable Li ion batteries, Electrochim. Acta, vol.54, pp.4131-4135, 2009.

J. Filip, R. A. Yngard, K. Siskova, Z. Marusak, V. Ettler et al., Mechanisms and efficiency of the simultaneous removal of metals and cyanides by using ferrate(VI): Crucial roles of nanocrystalline iron (III) oxyhydroxides and metal carbonates, Chem. Eur. J, vol.17, pp.10097-10105, 2011.

B. J. Yates, R. Zboril, and V. K. Sharma, Engineering aspects of ferrate in water and wastewater treatment-A review, J. Environ. Sci. Health Part A, vol.49, pp.1603-1614, 2014.

Y. Jiang, J. E. Goodwill, J. E. Tobiason, and D. A. Reckhow, Effect of different solutes, natural organic matter, and particulate Fe(III) on ferrate(VI) decomposition in aqueous solutions, Environ. Sci. Technol, vol.49, pp.2841-2848, 2015.

Y. Wei, Y. Wang, and C. Liu, Preparation of potassium ferrate from spent steel pickling liquid, vol.5, pp.1770-1787, 2015.

J. E. Goodwill, Y. Jiang, D. A. Reckhow, and J. E. Tobiason, Laboratory assessment of ferrate for drinking water treatment, J. Am. Water Works Assoc, vol.108, pp.164-174, 2016.

H. Han, J. Li, Q. Ge, Y. Wang, Y. Chen et al., Green ferrate(VI) for multiple treatments of fracturing wastewater: Demulsification, visbreaking, and chemical oxygen demand removal, Int. J. Mol. Sci, 1857.

P. T. Anastas and J. C. Warner, This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution, Licensee MDPI, 1998.