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STUDY OF GRANULOMETRIC AND CHEMICAL-MINERAL COMPOSITIONS OF TOMTOR ORE DEPOSIT

التفاصيل البيبلوغرافية
العنوان: STUDY OF GRANULOMETRIC AND CHEMICAL-MINERAL COMPOSITIONS OF TOMTOR ORE DEPOSIT
المؤلفون: Marianna Yu Malkova, Alexandr N Zadiranov
المصدر: RUDN Journal of Engineering Research, Vol 19, Iss 2, Pp 246-253 (2018)
بيانات النشر: Peoples’ Friendship University of Russia (RUDN University)
سنة النشر: 2018
المجموعة: Directory of Open Access Journals: DOAJ Articles
مصطلحات موضوعية: руда месторождения Томтор, гранулометрический состав, минеральный состав, редкоземельные металлы (РЗМ), ниобий, Engineering (General). Civil engineering (General), TA1-2040
الوصف: A study of the particle size distribution, mineral and chemical composition of the complex scandium-rare-earth-niobium Tomtor ore deposit has been conducted. It is shown that the basis of the ore is comprised of phosphates, carbonates and niobates. The main identified minerals are the minerals of crandallite group (gorceixite, goyazite and florencite), pyrochlore and monazite, in addition, clearly identified boehmite, apatite, and quartz. A group of other minerals includes siderite, kaolinite, rutile and some other minerals. It is established that the investigated ore belongs to a mineral variety of the pyrochlore-monazite-crandallite ores of phosphate-rare-metal type with a predominance of crandallite minerals (50%) and relatively low content of pyrochlore (~7%) in its composition. Based on the content of niobium oxide Nb2O5 (~4%) in a sample, the ore can be attributed to the second class according to the accepted classification, i.e. the rich niobium ores, containing from 3,5 to 9% Nb2O5. Tomtor ore deposit is also rich in the mineral content of rare earth elements. On the basis of the conducted research the conclusion about practical impossibility of beneficiation of “Tomtor” ore deposits by traditional methods and economic feasibility of ore processing by the combined pyro - and hydrometallurgy methods is made.
نوع الوثيقة: article in journal/newspaper
اللغة: English
Russian
تدمد: 2312-8143
2312-8151
Relation: http://journals.rudn.ru/engineering-researches/article/view/18920; https://doaj.org/toc/2312-8143; https://doaj.org/toc/2312-8151; https://doaj.org/article/3c2e7f3e956a49b69e5daf0b22a22866
DOI: 10.22363/2312-8143-2018-19-2-246-253
الاتاحة: https://doi.org/10.22363/2312-8143-2018-19-2-246-253
https://doaj.org/article/3c2e7f3e956a49b69e5daf0b22a22866
رقم الانضمام: edsbas.A32BC54C
قاعدة البيانات: BASE
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