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http://elar.urfu.ru/handle/10995/94284
Название: | Obtaining of niobium-containing ferroalloys from the Russian ore raw materials |
Авторы: | Zhuchkov, V. I. Zayakin, O. V. Mikhailova, L. Y. |
Дата публикации: | 2020 |
Издатель: | IOP Publishing Ltd |
Библиографическое описание: | Zhuchkov V. I. Obtaining of niobium-containing ferroalloys from the Russian ore raw materials / V. I. Zhuchkov, O. V. Zayakin, L. Y. Mikhailova. — DOI 10.1088/1757-899X/966/1/012037 // IOP Conference Series: Materials Science and Engineering . — 2020. — Vol. 966. — 12037. |
Аннотация: | The possibility of processing niobium-containing pyrochlore-apatite concentrates obtained from ores of Beloziminskoye deposit has been studied. A two-stage scheme for selective reduction of phosphorus into a metal phase to obtain low-phosphorus niobium-containing slag was suggested. The reduction of phosphorus and iron was carried out by a carbothermic method using coke and pig iron carbon as the reducing agent. Pig iron chip and magnetite product (80 % Fe2O3) were used as the precipitating agent. In laboratory and semi-industrial conditions the basic possibility of selective separation and sedimentation of phosphorus (to 91 %) and iron from a niobic concentrate without considerable reduction of niobium (up to 1-2 %), according to the two-stage scheme with minimum possible temperature of process during the first period (∼ 1260 C) and hot soak at the increased temperature (∼ 1450 C) during the second period were shown. Obtained low-phosphorus niobium-containing slag after crushing can be used for ferroniobium production according to existing technological schemes. © Published under licence by IOP Publishing Ltd. |
URI: | http://elar.urfu.ru/handle/10995/94284 |
Условия доступа: | info:eu-repo/semantics/openAccess |
Конференция/семинар: | 15th International Conference on Industrial Manufacturing and Metallurgy, ICIMM 2020 |
Дата конференции/семинара: | 18.06.2020-19.06.2020 |
Идентификатор РИНЦ: | 85097076193 |
ISSN: | 1757-8981 |
DOI: | 10.1088/1757-899X/966/1/012037 |
Источники: | 15th International Conference on Industrial Manufacturing and Metallurgy, ICIMM 2020 |
Располагается в коллекциях: | Междисциплинарные конференции, семинары, сборники |
Файлы этого ресурса:
Файл | Описание | Размер | Формат | |
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966_1_012037.pdf | 268,21 kB | Adobe PDF | Просмотреть/Открыть |
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