IMPROVEMENT OF MILLING SELECTIVITY AND UTILIZATION COMPLETENESS THROUGH RADIATION MODIFICATION OF MINERAL PROPERTIES

The theoretical and experimental research is aimed to improve pretreatment and concentration of rebellious ore from the Rubtsovsk deposit. Radiation modification of lead–zinc ore properties stimulates milling efficiency and enhances processing efficiency. After radiation modification, percentage of...

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Bibliographic Details
Published in:Journal of mining science 2020-11, Vol.56 (6), p.1000-1009
Main Authors: Rostovtsev, V. I., Bryazgin, A. A., Korobeinikov, M. V.
Format: Article
Language:English
Subjects:
Concentrates (ores)
Earth and Environmental Science
Earth Sciences
Experimental research
Flotation
Foreign exchange
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Laboratory experimentation
Lead
Mineral Dressing
Mineral Resources
Pretreatment
Properties
Radiation
Radiation dosage
Selectivity
Wurtzite
Zinc
Zinc ores
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Summary:The theoretical and experimental research is aimed to improve pretreatment and concentration of rebellious ore from the Rubtsovsk deposit. Radiation modification of lead–zinc ore properties stimulates milling efficiency and enhances processing efficiency. After radiation modification, percentage of free grains of galenite and wurtzite in milled product increased from 40.7 and 65.7% to 66.4 and 71.5%, respectively, in treatment by accelerated electrons at radiation dose of 5 kGr. As a result, the increment in zinc and lead recovery in rougher flotation concentrate made 4.74 and 9.50%, respectively.
ISSN:1062-7391
1573-8736
DOI:10.1134/S1062739120060125