DOI: 10.18503/1995-2732-2020-18-2-13-21
Abstract
Problem Statement (Relevance): The Ural region has been a metallurgical center of Russia for over 300 years, and for such a long period a large amount of man-made waste (slag) has accumulated in this region. The study of the material composition of slags is currently important, since you need to understand what kind of a mineral composition we are dealing with before disposing them. Many slags are potential ores that can be further processed; some of them are technology-related refractories, etc. Objectives: The study of the material (mineral) composition of slags formed when producing ferrovanadium at the Alapayevsk Metallurgical Plant. Methods Applied: The chemical composition of rock-forming and ore minerals is identified using a JSM-6390LV Scanning Electron Microscope by Jeol, including INCA Energy 450 X-Max 80, the energy dispersive attachment by Oxford Instruments (the Institute of Geology and Geochemistry, the Ural Branch of the Russian Academy of Sciences, Yekaterinburg). To analyze the composition, the authors used polished petrographic thin sections cut from pieces of slag. Originality: A material composition of the slags was studied from a point of view of classical mineralogy and using the modern mandatory nomenclature of the International Mineralogical Association. Findings: For the first time, mineralogy of ferrovanadium slags from the Alapayevsk Metallurgical Plant was studied. It has been established that they are composed of an akermanite-merwinite aggregate with a significant content of spinel and perovskite, as well as the constant presence of balls of cast iron and khamrabaevite. These slags are wastes of ferroalloy production, or rather, the primary stage of producing ferrovanadium, when vanadium cast iron is formed as a result of blast furnace smelting of vanadium-containing titanomagnetite concentrate; vanadium cast iron is used to produce ferrovanadium through a complex chain. The slag formation temperature is determined by the content of the aluminous gehlenite molecule in the akermanite matrix and estimated at 1400-1390°C. Practical Relevance: The slags under our study can be recycled, as they contain vanadium cast iron and perovskite. In addition, spinel and khamrabaevite, like solid minerals, can be extracted by abrasives.
Keywords
Akermanite, mervinite, spinel, perovskite, mineralogy, slags, the Alapayevsk Metallurgical Plant.
For citation
Erokhin Yu.V., Zakharov A.V., Leonova L.V. Material Composition of Vanadium Slags at the Alapayevsk Metallurgical Plant. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2020, vol. 18, no. 2, pp. 13–21. https://doi.org/10.18503/1995-2732-2020-18-2-13-21
1. Zaymogov A.I. Sinyachikhinskie zhelezodelatelnye zavody [Sinyachikha ironworks]. Yekaterinburg: LLC Grachev and Partners, 2011, 118 p. (In Russ.)
2. Alekseev V.V. (ed.) Metallurgicheskie zavody Urala XVII–XX vv. Entsiklopediya. [Metallurgical plants of the Urals in the 17th–20th centuries. Encyclopedia]. Yekaterinburg: Academic Book Publishing House, 2001, 536 p. (In Russ.)
3. Pertsev N.N., Konnikov E.G., Kislov E.V., Orsoev D.A., Nekrasov A.N. Merwinite-facies magnesian skarns in xenoliths from dunite of the Dovyren layered intrusion. Petrology, 11, 5, 464-475 (2003).
4. Peretyazhko I.S., Savina E.A., Khromova E.A., Karmanov N.S., Ivanov A.V. Unique clinkers and paralavas from a new Nilga combustion metamorphic complex in Central Mongolia: mineralogy, geochemistry and genesis. Petrology, 26, 2, 181–211 (2018). doi:10.1134/S0869591118020054
5. Ivanova M.A. Ca-Al-rich inclusions in carbonaceous chondrites: the oldest solar system objects. Geochemistry, 54, 5, 387–402 (2016). doi:10.1134/S0016702916050037
6. Gorbatova E.A., Kharchenko S.A., Ozhogina E.G., Yakushina O.A. Mineralogy of blast furnace slags. Vestnik IG Komi NTs UrO RAN [Vestnik of the Komi Institute of Geology, the Scientific Center of the Ural Branch of RAS], 2017, no. 4, pp. 24–28. doi:10.19110/2221-1381-2017-4-24-28.
7. Zedgenizov D.A., Shatskiy A., Ragozin A.L., Kagi H., Shatsky V.S. Merwinite in diamond from São Luiz, Brazil: A new mineral of the Ca-rich mantle environment. Amer. Miner. 99, 547-550 (2014). doi:10.2138/am.2014.4767
8. Leontev L.I., Sheshukov O.Yu., Tsepelev V.S., Mikheenkov M.A., Nekrasov I.V., Egiazaryan D.K. Technological features of steelmaking slag processing into building materials and products. Stroitelnye materialy [Construction Materials], 2014, no. 10, pp. 70–73. (In Russ.)
9. Ponomarev V.S., Erokhin Yu.V., Mikheeva A.V. Gehlenite slag from the eastern side of the Mednorudyansky deposit. Mineralogiya tekhnogeneza – 2018 [Mineralogy of Technogenesis – 2018]. Miass: Mineralogy Institute, the Ural Branch of the Russian Academy of Sciences, 2018, pp. 81–94. (In Russ.)
10. Perepelitsyn V.A., Rytvin V.M., Koroteev V.A., Makarov A.B., Grigoryev V.G., Gilvarg S.I., Abyzov V.A., Abyzov A.N., Tabulovich F.A. Tekhnogennoe mineralnoe syrie Urala [Man-made mineral raw materials of the Urals]. Yekaterinburg: Publishing Department of the Ural Branch of the Russian Academy of Sciences, 2013, 332 p. (In Russ.)
11. D’Ippolito V., Andreozzi G.B., Bosi F., Hålenius U. Blue spinel crystals in the MgAl2O4-CoAl2O4 series: Part I. Flux growth and chemical characterization. Amer. Miner. 97, 1828–1833 (2012). doi:10.2138/am.2012.4138
12. Chauviré B., Rondeau B., Fritsch E., Ressigeac P., Devidal J.-L. Blue spinel from the Luc Yen district of Vietnam. Gems & Gemology. 51, 1, 2–17 (2015). doi:10.5741/GEMS.51.1.2
13. Bjärnborg K., Schmitz B. Large spinel grains in a CM chondrite (Acfer 331): Implications for reconstructions of ancient meteorite fluxes. Meteor. Planet. Sci. 48, 2, 180–194 (2013). doi:10.1111/maps.12050
14. Russell S.S., Huss G.R., Fahey A.J., Greenwood R.C., Hutchison R., Wasserburg G.J. An isotopic and petrologic study of calcium-aluminum-rich inclusions from CO3 meteorites. Geochim. Cosmoch. Acta. 62, 4, 689–714 (1998). doi:10.1016/S0016-7037(97)00374-8
15. Sobyanina O.N., Filatov S.V., Zagaynov S.A. Analysis of the features of titanium reduction in a blast furnace. Stal [Steel], 2012, no. 3, pp. 9–11. (In Russ.)
16. Novgorodova M.I., Yusupov R.G., Dmitrieva M.T., Tsepin A.I., Sivtsov A.V., Gorshkov A.I. Khamrabaevite (Ti,V,Fe)C is a new mineral. Zapiski Vsesoyuznogo mineralogicheskogo obshchestva [Proceedings of the All-Union Mineralogical Society], 1981, vol. 113, no. 6, pp. 697–703. (In Russ.)
17. Jedwab J., Boulegue J. A vanadium-titanium carbide inclusion in graphite from hydrothermal ejecta at 13оN, East Pacific Rise. Canad. Miner. 27, 617–623 (1989).
18. Ma C., Rossman G.R. Tistarite, Ti2O3, a new refractory mineral from the Allende meteorite. Amer. Miner. 94, 841–844 (2009). doi:10.2138/am.2009.3203
19. Mendybaev R.A., Richter F.M., Davis A.M. Reevaluation of the akermanite-gehlenite binary system. XXXVII Lunar and Planetary Science Conf. Abstr. No. 2268. Woodlands (TX), 2006.