Dissolution of iron in sodium chloride solution during alternating current polarization
DOI:
https://doi.org/10.31643/2021/6445.28Keywords:
fine dusts, leaching, sodium hydroxide, silicon dioxide, fluorination.Abstract
Iron compounds are widely used in many industries and engineering, and even in medicine. The existing methods of obtaining iron compounds are multi-stage and complex. The purpose of this work is to obtain iron (II) hydroxide and oxide from metal waste under alternating current action using one and two half-cycles. For the first time, the electrochemical behavior of iron electrode was studied by electrolysis method during alternating current polarization of industrial frequency in sodium chloride solutions. The iron polarization was carried out in pair with titanium, while the current density on the iron electrode varied in the range of 200-1200 A/m2, and on the titanium is in the range of 20-100 kA/m2. It is established that in the anode half-cycle of alternating current, iron is oxidized to form divalent ions. At this moment, the titanium electrode is in the cathode half-cycle, hydrogen is released on it, hydroxyl ions are formed in the cathode space. In the solution, ions interact with iron (II) ions to produce iron hydroxide. At temperatures above 600C, iron (II) hydroxide is dehydrated with the production of iron (II) oxide. The electrolysis was carried out in two electrolyzers connected to each other in parallel with the immersion of pair of “titanium-iron” electrodes into each electrolyzer. The iron dissolution occurs simultaneously in two half-cycles of alternating current and this approach is proposed for the first time. The process productivity increases by more than 1.5 times.
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Diaz D.D.,MirandaР.O., Padron J.I.,Martin V.S.Recent Uses of Iron (III) Chloride in Organic Synthesis// Current Organic Chemistry. –2006. –V. 10.–N 4. –Р.457–476(20). https://doi.org/10.2174/138527206776055330
Mitali M., Seetaram M., Nilima P.M., Bighnanshu K. J., Pravati P., Sabita N.D. Recent Advances in Iron (III) chloride Catalyzed Synthesis of Heterocycles // Citation DataTetrahedron Letters. –2019. -V. 60. –P. 1509-1525. https://doi.org/10.1016/j.tetlet.2019.07.016
Kononova S.V.,Kuzin V.B.,Lovtsova L.V.,Zuyeva I.A,. Ganenkov A.A. Farmakologicheskiye i kliniko-ekonomicheskiye aspekty primeneniya lekarstvennykh preparatov zheleza (Pharmacological and clinical and economic aspects of the use of iron drugs). Meditsinskiy almanakh=Medical Almanac. 2010. 3, 197-201 (in Russ.).
Piao X., Guang M.Z., Dan L.H., Chong L.F., Shuang H., Mei H.Zh., Cui L., Zhen W., Chao H., Geng X.X., Zhi F.L. (2012). A review of "Use of iron oxide nanomaterials in wastewater treatment". Science of the Total Environment, 424, 1–10. https://doi.org/10.1016/j.scitotenv.2012.02.023 (In Eng.).
Yu. N., VodyanitskiiD.(2010). A Review of "The Role of Iron in the Fixation of Heavy Metals and Metalloids in Soils": Еurasian soil science, 5, 510-532. (In Eng.). https://doi.org/10.1134/S1064229310050054
Ripan R.,Chetyanu I. Neorganicheskaya khimiya. Khimiya metallov. Moscow: Mir.1972,871.(in Russ.).
Remi G. Kurs neorganicheskoy khimii. Perevod s nemetskogo XI izdaniya. Pod redaktsiyey akademika A.V.Novoselovoy. –Moscow: Mir.1974,751. (in Russ.).
Pozin M.E. Tekhnologiya mineralnykh soley (udobreniy. pestitsidov. promyshlennykh soley. okislov i kislot. chast I. izdaniye 3. pererabotannoye i dopolnennoye pri uchastii L.Z.Arsenyevoy. Yu.Ya. Kaganovich. G.S.Klebanova i dr. Khimiya.19966 304.(in Russ.).
Vasilenko I.A.. Melnikov B.I.. Polyanchikov O.I. Issledovaniye usloviy obrazovaniya gidroksida zheleza (ІІІ) v bufernykh rastvorakh sulfata zheleza (ІІ)(Investigation of the conditions for the formation of iron (III) hydroxide in buffer solutions of iron (II) sulfate)Voprosy khimii i khimicheskoy tekhnologii= Questions of chemistry and chemical technology.2010. 2, 93-98. (in Russ.).
Muslim A., AbidD.,KadhimA.(2020). A Review of "Novel comparison of iron oxide nanoparticle preparation by mixing iron chloride with henna leaf extract with and without applied pulsed laser ablation for methylene blue degradation".Journal of Environmental Chemical Engineering,8(5), 104. https://doi.org/10.1016/j.jece.2020.104138 (In Eng.).
Bayeshova A. K., Bayeshov A., Zhumabay F. M., Shakenova M. Sh. Iron sulphates production being polarized by the direct and alternating currents // Kompleksnoe Ispol’zovanie Mineral’nogo Syr’a (Complex Use of Mineral Resources). 2019. 4 (311). P.: 57–63. https://doi.org/10.31643/2019/6445.38 (In Eng.).
Bayeshov A.B. Elektrokhimicheskiye protsessy pri polyarizatsii nestatsionarnymi tokami(Electrochemical processes under polarization by nonstationary currents) Natsionalnyy doklad po nauke «O sostoyanii i tendentsiyakh razvitiya mirovoy i otechestvennoy nauki». Izvestiya = National Report on science "On the state and trends in the development of world and domestic science". News.2011. 2, 3-23. (in Russ.).
Bayeshov A., Bayeshova A.K. Elektrokhimicheskiye sposoby polucheniya neorganicheskikh veshchestv(Electrochemical methods for the production of inorganic substances). Lambert Academic Publising. 2012, 72. (in Russ.).
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