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E3S Web Conf.
Volume 56, 2018VII International Scientific Conference “Problems of Complex Development of Georesources” (PCDG 2018)
|Number of page(s)||7|
|Section||Problems of Complex Processing of Mineral Raw Materials and New Technologies of Mineral Processing|
|Published online||26 September 2018|
Selective Desintegration and Concentration: Theory and Practice
Federal State-Funded Educational Institution of Higher Professional Education “Saint Petersburg Mining University”, Saint Petersburg, Russia
2 University of Technology “Freiberg Mining Academy”, Freiberg, Germany
3 Mining Institute of Far eastern branch of Russian Academy of Sciences, Khabarovsk, Russia
* Corresponding author: email@example.com
Investigations on the possibility of selective grinding and benefication of quartz-pecoraite ores of the Ufaleiskoye deposit have been carried out. Methods of computer X-ray microtomography have been used to study the morphometric features and pore volume parameters of samples, and these data was compared with results of quantitative microstructural analysis. The performed research shows the powerful capabilities of X-ray computer microtomography method for solving scientific and practical problems related to the study of physical and mechanical properties of rocks, the determination of ore minerals liberation, the evaluation of their content, the analysis of the granulometric composition and the spatial distribution of their grains. Analysis of mineralogical and geochemical composition of ores showed that these ores meet the criteria for selective disintegration. An analysis of flotation experiments results showed that when material is grinded in a roll mill, the consumption of reagents is 25% lower than when grinding in a ball mill if the same degree of nickel extraction is achieved.
Key words: Selective disintegration / Flotation / Nickel / Separation / Microtomography
© The Authors, published by EDP Sciences, 2018
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