Институт горного дела ДВО РАН, Хабаровск, Россия

Прохоров К. В., ведущий научный сотрудник, канд. техн. наук, kostyan1986_ne@mail.ru

Изучено влияние электроактивированных растворов на процессы, протекающие на поверхности пирита. Подтверждено интенсифицирующее действие электрохимической активации растворов и пульпы в процессах флотации и обогащения тонкодисперсного сырья, содержащего благородные металлы.

Все лабораторные исследования проведены на базе ЦКП «ЦИМС» ИГД ДВО РАН.
Работа выполнена при поддержке Российского фонда фундаментальных исследований (соглашение № 24-27-20084).

1. Chanturiya V. A., Vigdergauz V. E. Electrochemistry of sulfides. Theory and practice of flotation. Moscow : Ruda i Metally, 2008. 272 p.
2. Antropova I. G., Gulyashinov P. A., Merinov A. A. Roasting of lead and zinc sulfide ore in water vapor. MIAB. 2021. No. 11. pp. 56–67.
3. Onufrienok V. V., Chzhan A. V. Investigation of crystal-chemical features of pyrite and conditions of its formation. Russian Journal of Inorganic Chemistry. 2021. Vol. 66, No. 7. pp. 1001–1010.
4. Karacharov A. A. Analysis of the dynamics of interaction between air bubble and surface of sulphide minerals and model substrates using superspeed shooting. Conference of Young Scientists of the Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences—2021. Session : Chemistry. Collected Papers. Krasnoyarsk, 2021. pp. 35–38.
5. Xu S., Zanin M., Skinner W., Brito e Abreu S. Surface chemistry of oxidised pyrite during grinding: ToF-SIMS and XPS surface analysis. Minerals Engineering. 2021. Vol. 170. ID 106992.
6. Zhu J., Xian H., Lin X., Tang H., Du R. et al. Surface structure-dependent pyrite oxidation in relatively dry and moist air: Implications for the reaction mechanism and sulfur evolution. Geochimica et Cosmochimica Acta. 2018. Vol. 228. pp. 259–274.
7. Ivanik S. A., Ilyukhin D. A. Flotation extraction of elemental sulfur from gold-bearing cakes. Journal of Mining Institute. 2020. Vol. 242. pp. 202–208.

8. Ling C., Liu X., Li M., Wang X., Shi X. et al. Sulphur vacancy derived anaerobic hydroxyl radical generation at the pyrite- water interface: Pollutants removal and pyrite selfoxidation behavior. Applied Catalysis B: Environmental. 2021. Vol. 290. ID 120051.
9. Chanturiya E. L., Ryazantseva M. V., Samusev A. L., Koporulina E. V. Modification mechanism of structural, phase, electrical, sorption and flotation properties of tantalite, columbite, zircon and feldspar in acidic and electrochemical treatment of mineral suspensions. Resource Saving and Environmenta l Protection in Mineral Treatment and Processing (Plaksin’s Lectures–2016) : International Conference Proceedings. Moscow : Ruda i Metally, 2016. pp. 80–85.
10. Hassanzadeh A., Gholami H., Özkan S. G., Niedoba T., Surowiak A. Effect of power ultrasound on wettability and collector-less floatability of chalcopyrite, pyrite and quartz. Minerals. 2021. Vol. 11, Iss. 1. ID 48.
11. Guo H., Yen W.-T. Selective flotation of enargite from chalcopyrite by electrochemical control. Minerals Engineering. 2005. Vol. 18, Iss. 6. pp. 605–612.
12. Moslemi H., Shamsi P., Alimohammady M. Electrochemical properties of pyrite, pyrrhotite, and steel: effects on grinding and flotation processes. Journal of the Southern African Institute of Mining and Metallurgy. 2012. Vol. 112, No. 10. pp. 883–890.
13. Chanturiya E. L. Influence of catholyte on oxidation of milling bodies and on mineral dissociation in wet milling of rare met als, tin and tungsten ores. Obogashchenie Rud. 2004. No. 4. pp. 23–27.
14. Shekhirev D. V. Method for calculating material distribution by floatability. Obogashchenie Rud. 2022. No. 4. pp. 27–34.
15. Yushina T. I., Shchelkunov S. A., Malyshev O. A. Quantum-chemical substantiation of collecting properties of acetylene reagents in flotation of sulphide minerals. Non-Ferrous Metals. 2021. No. 2. pp. 17–26.
16. Cao Q., Cheng J., Feng Q., Wen S., Luo B. Surface cleaning and oxidative effects of ultrasonication on the flotation of oxidized pyrite. Powder Technology. 2017. Vol. 311. pp. 390–397.
17. Cilek E. C., Ozgen S. Effect of ultrasound on separation selectivity and efficiency of flotation. Minerals Engineering. 2009. Vol. 22, Iss. 14. pp. 1209–1217.
18. Cachaza E. M., M. Díaz E., Montes F. J., Galán M. A. Unified study of flow regimes and gas holdup in the presence of positive and negative surfactants in a non-uniformly aerated bubble column. Chemical Engineering Science. 2011. Vol. 66, Iss. 18. pp. 4047–4058.
19. Tao D., Wu Z., Sobhy A. Investigation of nanobubble enhanced reverse anionic flotation of hematite and associated mechanisms. Powder Technology. 2021. Vol. 379. pp. 12–25.
20. Ermolina G. I., Lebedev V. D. Analysis of xanthate and Aeroflot mixture in flotation pulp and in waste water. Tsvetnye Metally. 1977. Vol. 7. pp. 84–88.
21. Chanturiya V. A., Lunin V. D. Electrochemical methods of flotation process intensification. Moscow : Nauka, 1983. 144 p.
22. Prokhorov K. V., Kopylova A. E., Burdonov A. E. Research into combined flotation regimes using special slurry preparation m ethods. Obogashchenie Rud. 2023. No. 1. pp. 10–16.
23. Kondratev S. A. Choice of molecule structure and composition based on working mechanizm of physically sorbed collectror’s form. Interexpo GEO-Sibir. 2019. Vol. 2, No. 4. pp. 61–68.
24. Chanturiya V. A., Kondratiev S. A. Contemporary understanding and developments in the flotation theory of non-ferrous ores. Mineral Processing and Extractive Metallurgy Review. 2019. Vol. 40, Iss. 6. pp. 390–401.