Ярославль, Ярославская область, Россия
Ярославль, Ярославская область, Россия
аспирант
Ярославль, Ярославская область, Россия
студент
Ярославль, Ярославская область, Россия
студент
Ярославль, Ярославская область, Россия
УДК 549.731.13 Магнетит
As a result of the expanding directions of application of magnetic liquids, it becomes necessary to obtain a large amount of magnetite. The most common method of obtaining magnetite is its chemical condensation, both from pure components and from iron-containing waste of machine-building industries. Magnetite obtained from waste is as high as magnetite obtained from pure components. In addition, the cost of such magnetite is much lower. The article describes an electrochemical method for obtaining magnetite for wastewater treatment of electroplating production from the waste of cutting sheets of steel. A solution of sodium chloride was chosen as the electrolyte. The article presents the main stages of obtaining electrochemical magnetite, the results of measuring the saturation magnetization of samples of dispersed magnetite. The measurements were carried out at room temperature using a vibrating magnetometer in magnetic fields up to 1 Tl. We obtained the Mossbauer spectrum of an electrochemical magnetite sample. Magnetite, obtained by the electrochemical method, was used for the treatment of electroplating production washing wastewater as an adsorbent of copper ions. The paper presents the process of magnetite adsorption of copper ions and the scheme of the purification method. Studies of adsorption treatment of electroplating wastewater from copper ions show the high efficiency process level up 92.0-98.4%.
magnetite, waste from cutting steel sheets(chips), magnetic liquid, adsorption wastewater treatment
1. Berkovsky B.M., Medvedev V.F., Kraskov M.S. Magnetic liquids. Moscow: Khimiya, 1989. 240 p. (in Russian).
2. Uheida A., Iglesias M., Fntas C., Hidalgo M., Salvado V., Zhang Y., Muhammed M. Sorption of palladium (ΙΙ), rhodium (ΙΙΙ), and platinum (ΙV) on Fe3O4 nanoparticles. J. Colloid and Interface Sci. 2006. V. 301. N 2. P. 402-408.
3. Egunova O.R., German S.V., Vrabie Y.A., Shtykov S.N. Synthesis of monodisperse magnetite. Izvestiya Saratovskogo universiteta. Novyye serii. Seriya Khimiya. Biologiya. Ekologiya. 2015. V. 15. N 4. P. 10-14. DOI:https://doi.org/10.18500/1816-9775-2015-15-4- 10-14 (in Russian).
4. Marnautov N.A., Komissarova L.H., Tatikolov A.S., Larkina E.A., Elfimov A.B., Vasilkov O.O. Working out the optimal method to obtain chemical-and-size homogenous in magnetite nanoparticles for biomedical purposes. Uspechi sovremennogo yestestvoznaniya. 2017. N 6. P. 23-27 (in Russian).
5. Kalaeva S.Z., Markelova N.L., Makarov V.M. Obtaining magnetite by reduction of iron-containing wastes. From chemistry towards technology: step by step. 2021. V. 2. N 1. P. 79-85. DOI:https://doi.org/10.52957/27821900_2021_01_79. (in Russian).
6. Patent RF N 2750429. Method of magnetite production / Bibaneva S.A., Pasechnik L.A., Skachkov V.M. Publ. 28.06.2021. Bul. N 19 (in Russian).
7. Patent RF N. 2433956. Method of magnetite production / Krause E., Rehm W. Publ. 20.11.2011. Bul. N 32 (in Russian).
8. Patent RF N 2461519. Method of obtaining magnetite with a developed surface / Ikaev A.M., Agaeva F.A., Avguzarova V.A., Esieva L.K., Dzaraeva L.B. Publ. 20.09.2012. Bul. N 26 (in Russian).
9. Patent RF N. 2610506. Method of obtaining magnetite nanoparticles (variants) / Grishechkina E.V., Dosovitsky A.E., Mikhlin A.L. Publ. 13.02.2017. Bul. N 5 (in Russian).
10. Gordeev B.A., Maslov G.V., Okhulkov S.N., Osmekhin A.N. On Developing a Magneto-rheological Transformer That Operates in Orthogonal Magnetic Fields. Journal of Machinery Manufacture and Reliability. 2014. V. 43. N 2. P. 99-103. DOI:https://doi.org/10.3103/S105261881402006X.
11. Belyaev E.S., Ermolaev A.T., Titov E.Y., Tumakov S.F. Magnetorheological fluids: technologies of creation and application: monograph. M.: Nizhegorodskiy gosudarstvennyy tekhnicheskiy universitet imeni R.E. Alekseyeva, 2017. 94 p. (in Russian).
12. Hoang C.T., Yurmazova T.A., Vaitulevich E.A. Magnetite with modified surface for water treatment. Izvestiya Tomskogo Politekhnicheskogo Universiteta. Inzhiniring Georesursov. 2019. V. 330. N 8. P. 163-172. DOI:https://doi.org/10.18799/24131830/2019/8/2222 (in Russian).
13. Lebedev A.V., Lysenko S.N., Gileev V.G Poly (dymethylsiloxane) stabilized magnetic fluid remains flowable in the absence of a carrier medium. Kolloidnyy zhurnal. 2020. V. 82. N 3. P. 339-345. DOI:https://doi.org/10.31857/S0023291220030064 (in Russian).
14. Rotinyan A.L. Tikhinov K.I., Shoshina I.A. Theoretical electrochemistry. L.: Khimiya, 1981. 424 p. (in Russian).
15. Uhlig G.G., Revie R.W. Corrosion and Corrosion Control. Introduction to Corrosion Science and Technology. L.: Khimiya, 1989. 456 p. (in Russian).
16. Kesche G. Corrosion of metals. Moscow: Metallurgizdat, 1984. 400 p. (in Russian).
17. Zakharova I.N., Nikolaev V.I., Shipilin A.M. On estimation of nanoparticles sizes by Mössbauer effect. Zhurnal fiziki tverdogo tela. 2001. V. 43. N 8. P. 1455-1457 (in Russian).
18. Hoang C.T., Yurmazova T.A., Vaitulevich E.A. Magnetite with modified surface for water treatment. Izvestiya Tomskogo Politekhnicheskogo Universiteta. Inzhiniring Georesursov. 2019. V. 330. N 8. P. 163-172. DOI:https://doi.org/10.18799/24131830/2019/8/2222 (in Russian).
