AbstractAbout AuthorsReferences
Environmental issues related to the rational use of natural resources are one of the few priority areas for the development of science, technology and technic in Russia. The solution of environmental problems is impossible without new mineral resources. An urgent task is to involve in the production of raw materials from technogenic waste of mining enterprises, which amounts to hundreds of thousands of tons, and continues to increase constantly, which leads to environmental pollution and complication of the environmental situation as a whole. Such a waste, for example, is a saponite-containing material obtained during the enrichment of kimberlite ores of the diamond deposit named after M.V. Lomonosov, Arkhangelsk Diamond Province. Modification of this waste for the purpose of its further use in the building materials industry is a promising area of research. The paper analyzes the process of mechanical dispersion of saponite-containing material as one of the possible ways of its modification, leading to the synthesis of serpentine group minerals from active oxide compounds formed during the destruction of the crystal lattice. As an information parameter that makes it possible to obtain a quantitative characteristic of this synthesis, it is proposed to use the value of the thermal effect of saponite modification at a temperature of 820оC. It is revealed that the preliminary settling of the recycled water suspension makes it possible to isolate a solid phase with a saponite content of up to 85% by the method of electrolyte coagulation. The fact of the presence of an amorphous phase in the test samples was established, and, despite the increase in the specific surface of the powders with an increase in the duration of grinding to 60 min, the degree of amorphization of the surface of the studied disperse systems has a practically constant value.
M.A. MALYGINA, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.),
A.M. AYZENSHTADT, Doctor of Sciences (Chemistry), (This email address is being protected from spambots. You need JavaScript enabled to view it.),
T.A. DROZDYUK, Head of Laboratory (This email address is being protected from spambots. You need JavaScript enabled to view it.),
M.A. FROLOVA, Candidate of Sciences (Chemistry),
M.A. POZHILOV, Student, (This email address is being protected from spambots. You need JavaScript enabled to view it.)
A.M. AYZENSHTADT, Doctor of Sciences (Chemistry), (This email address is being protected from spambots. You need JavaScript enabled to view it.),
T.A. DROZDYUK, Head of Laboratory (This email address is being protected from spambots. You need JavaScript enabled to view it.),
M.A. FROLOVA, Candidate of Sciences (Chemistry),
M.A. POZHILOV, Student, (This email address is being protected from spambots. You need JavaScript enabled to view it.)
Northern (Arctic) Federal University named after M.V. Lomonosov (17, Severnaya Dvina Embankment, Arkhangelsk, 163002, Russian Federation)
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18. Morozova M.V. Surface activity of highly dispersed systems based on saponite-containing waste from the diamond mining industry. Bulletin of BSTU named after V.G. Shukhov. 2018. No. 2, pp. 5–11. (In Russian).
19. Drozdyuk T.A., Ayzenshtadt A.M., Korolev E.V. High-temperature modification of saponite-containing material. Stroitel’nye Materialy [Construction Materials]. 2021. No. 11, pp. 30–35. DOI: https://doi.org/10.31659/0585-430X-2021-797-11-30-35. (In Russian).
20. Kozaru T.V. Forsterite ceramics based on natural calcium magnesium silicates. Konstrukcii iz kompozicionnyh materialov. 2006. No. 4, pp. 107–109. (In Russian).
21. Tutygin A.S., Ayzenshtadt A.M., Shinkaruk A.A. Isolation of saponite-containing material from mining waste. Prikladnaja nauka. 2012. No. 2 (33), pp. 82–83. (In Russian).
22. Tutygin A.S., Aizenshtadt M.A., Aizenshtadt A.M., Makhova T.A. Influence of the nature of the electrolyte on the process of coagulation of a saponite-containing suspension Geojekologiya. 2012. No. 5, pp. 379–383. (In Russian).
23. Veshnyakova L.A., Aizenshtadt A.M. Optimization of the granulometric composition of mixtures for obtaining fine-grained concrete. Promyshlennoe i grazhdanskoe stroitel’stvo. 2012. No. 10, pp. 19–22. (In Russian).
24. Zapolsky A.K., Kogan A.A. Koaguljanty i flokuljanty v processah ochistki vody: svojstva. Poluchenie. Primenenie [Coagulants and flocculants in water purification processes: properties. Receipt. Application]. Leningrad: Chemistry. 1987. 208 p.
25. Khovakov G.S. Fizika izmel’cheniya [Physics of grinding]. Moscow: Nauka. 1972. 307 p.
26. Tretyakov Yu.D. Tverdofaznyye reaktsii [Solid state reactions]. Moscow: Chemistry. 1978. 360 p.
2. Fundamentals of the state policy in the field of environmental development of the Russian Federation for the period up to 2030: approved President RF of 30.04.2012. http://www.consultant.ru/document/cons_doc_LAW_129117 (date of appeal: 11.04.2022). (In Russian).
3. Shpilevaya (Verzhak) D.V., Garanin K.V. Diamond deposits of the Arkhangelsk region and environmental problems of their development Vestnik Moskovskogo universiteta. Serija 4: Geologiya. 2005. No. 6, pp. 18–26. (In Russian).
4. Tutygin A.S., Shinkaruk A.A., Ayzenshtadt A.M., Frolova M.A., Makhova T.A. Clarification of saponite-containing suspension by electronic coagulation. Voda: himija i jekologija. 2013. No. 5, pp. 93–99. (In Russian).
5. Posukhova T.V., Dorofeev S.A., Garanin K.V., Gao S. Waste of the diamond mining industry: mineral composition and methods of utilization Vestnik Moskovskogo universiteta. Serija 4: Geologiya. 2013. No. 2, pp. 38–48. (In Russian).
6. Viani A., Gualtieri A., Artioli G. The nature of disorder in montmorillonite by simulation of X-ray powder patterns. American Mineralogist. 2002. Vol. 87, pp. 966–975. https://doi.org/10.2138/am-2002-0720.
7. Khudyakova L.I. Use of mining waste in the production of building materials. XXI vek. Tehnosfernaja bezopasnost’. 2017. Vol. 2. No. 2, pp. 45–56. (In Russian).
8. Morozova M.V., Ayzenshtadt A.M., Makhova T.A. Application of saponite-containing material for production of frost-resistant concretes. Promyshlennoe i grazhdanskoe stroitel’stvo. 2015. No. 1, pp. 28–31. (In Russian).
9. Drozdyuk T. A., Ayzenshtadt A. M., Tutygin A. S., Frolova M. A. Inorganic binder for mineral insulation. Stroiel’nyе Materialy [Construction Materials]. 2015. No. 5, pp. 86–89. (In Russian).
10. Drozdyuk T.A., Ayzenshtadt A.M., Frolova M.A. Effect of thermal modification of saponite-containing material on energy properties of its surface. Journal of Physics: Conference Series. 2019. Vol. 1400. 077053. DOI: 10.1088/1742-6596/1400/7/077056
11. Zyryanova V.N., Berdov G.I. Magnesia binders from brusite waste. Stroiel’nyе Materialy [Construction Materials]. 2006. No. 4, pp. 61–64. (In Russian).
12. Kotsupalo N.P., Ryabtsev A.D., Zyryanova V.N., Berdov G.I., Vereshchagin V.I. Magnesia binding materials from natural highly mineralized polycomponent brines. Himiya i himicheskaya tehnologiya. 2009. Vol. 11. No. 2, pp. 65–72. (In Russian).
13. Averina G.F., Chernykh T.N., Orlov A.A., Kramar L.Ya. Revealing possibilities to use magnesia wastes of mineral processing plant for manufacturing binders. Stroitel’nye Materialy [Construction Materials]. 2017. No. 5, pp. 86–89. (In Russian)
14. Koshelev V.A., Averina G.F., Zimich V.V., Kramar L.Ya. Development of compositions of magnesia foam concrete modified with crystalline seeds. Vestnik of the South Ural State University. Series: Building and architecture. 2018. Vol. 18. No. 4, pp. 65–70. (In Russian).
15. Kramar L.Ya. The influence of impurities on the features of firing high-magnesia rocks in order to obtain a construction magnesia binder. Cement i ego primenenie. 2007. No. 3–4, pp. 86–89. (In Russian).
16. Berdov G.I., Zyryanova V.N., Mashkin A.N., Khritankov V.F. Nanoprocesses in construction materials technology Stroitel’nye Materialy [Construction Materials]. 2008. No. 7, pp. 2–6. (In Russian).
17. Strokova V.V., Nelyubova V.V., Altynnik N.I., Zhernovskaya I.V., Osadchiy E.G. Phase formation in the cement-lime-silica system under hydrothermal conditions using a nanostructured modifier. Stroitel’nye Materialy [Construction Materials]. 2013. No. 9, pp. 30–32. (In Russian).
18. Morozova M.V. Surface activity of highly dispersed systems based on saponite-containing waste from the diamond mining industry. Bulletin of BSTU named after V.G. Shukhov. 2018. No. 2, pp. 5–11. (In Russian).
19. Drozdyuk T.A., Ayzenshtadt A.M., Korolev E.V. High-temperature modification of saponite-containing material. Stroitel’nye Materialy [Construction Materials]. 2021. No. 11, pp. 30–35. DOI: https://doi.org/10.31659/0585-430X-2021-797-11-30-35. (In Russian).
20. Kozaru T.V. Forsterite ceramics based on natural calcium magnesium silicates. Konstrukcii iz kompozicionnyh materialov. 2006. No. 4, pp. 107–109. (In Russian).
21. Tutygin A.S., Ayzenshtadt A.M., Shinkaruk A.A. Isolation of saponite-containing material from mining waste. Prikladnaja nauka. 2012. No. 2 (33), pp. 82–83. (In Russian).
22. Tutygin A.S., Aizenshtadt M.A., Aizenshtadt A.M., Makhova T.A. Influence of the nature of the electrolyte on the process of coagulation of a saponite-containing suspension Geojekologiya. 2012. No. 5, pp. 379–383. (In Russian).
23. Veshnyakova L.A., Aizenshtadt A.M. Optimization of the granulometric composition of mixtures for obtaining fine-grained concrete. Promyshlennoe i grazhdanskoe stroitel’stvo. 2012. No. 10, pp. 19–22. (In Russian).
24. Zapolsky A.K., Kogan A.A. Koaguljanty i flokuljanty v processah ochistki vody: svojstva. Poluchenie. Primenenie [Coagulants and flocculants in water purification processes: properties. Receipt. Application]. Leningrad: Chemistry. 1987. 208 p.
25. Khovakov G.S. Fizika izmel’cheniya [Physics of grinding]. Moscow: Nauka. 1972. 307 p.
26. Tretyakov Yu.D. Tverdofaznyye reaktsii [Solid state reactions]. Moscow: Chemistry. 1978. 360 p.
For citation: Malygina M.A., Ayzenshtadt A.M., Drozdyuk T.A., Frolova M.A., Pozhilov M.A. Structural modification of saponite-containing material during its mechanical dispersion. Stroitel’nye Materialy [Construction Materials]. 2022. No. 9, pp. 32–38. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2022-806-9-32-38