Improvement of Copper–Nickel Ore Concentration under Energy Deposition

Rostovtsev, V. I.; Кондратьев, С. А.; Baksheeva, I. I.

doi:10.1134/s1062739117052945

Cited by 7 publications

(3 citation statements)

References 5 publications

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“…Volcanic breccia are the complex multicomponent media, for which it is possible to determine the nature of the interaction with the electric field and reveal the type of the required dependencies in the laboratory conditions only [15][16][17][18][19][20][21][22]. For this purpose, an experimental plant was created, on which the whole complex of studies on rock breakdown in an electric field of industrial frequency was performed (Figure 1).…”

Section: Methodsmentioning

confidence: 99%

“…The combined technique is a combination of the electrothermal way with either the mechanical or the electrodynamic one [6,[14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33].…”

Section: Consequently We Getmentioning

confidence: 99%

“…The destruction of rocks with the lowest energy was carried out better in heated rocks [13][14][15][16][17][18][19][20][21][22][23][24]. Taking into account this fact, the use of the combined (electrical and mechanical) method for destroying a rock having an initial thermal stress is promising for use on a volcanogenic deposit of rare elements [14,15].…”

Section: Consequently We Getmentioning

confidence: 99%

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Kudryavy Volcano Crater Thick Rocks Electrical Breakdown Study in 50 Hz Electromagnetic Field

Rylnikova

Argimbaev

2021

IJE

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Section: Methodsmentioning

confidence: 99%

Section: Consequently We Getmentioning

confidence: 99%

Section: Consequently We Getmentioning

confidence: 99%

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Kudryavy Volcano Crater Thick Rocks Electrical Breakdown Study in 50 Hz Electromagnetic Field

Rylnikova

Argimbaev

2021

IJE

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Discharge-impulse methods application in technologies of mineral resources mastering

Korostovenko

Коростовенко

Stepanov

et al. 2019

J. Phys.: Conf. Ser.

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Present-day condition and objectively established trends of developing mineral and crude base of non-ferrous metallurgy have predetermined two main directions in mineral raw materials processing. The first direction is based on some traditional technologies of free-milling ore processing with receiving of mono selective concentrates at the enrichment stage with following recycling them using already known pyro-, chemico-, hydrometallurgical methods. The main way of developing this direction is invention of high-performance combined processes and combined technological schemes. The second direction covers difficult raw material. It is based on combined technologies providing a discharge of advantageous components into the mono selective concentrates at the step of enrichment. At the other steps – transfer of refractory mineral assemblages into a polymetallic products and their further selection using enrichment, pyro- and hydrometallurgical methods. Among various methods of influence on the mineral assemblages, there are two groups, applicable in combined technology systems, to highlight. These are enrichment based on energy and chemical-metallurgical impacts at the finalizing step, where the necessary increase of completeness and complexity of crude ore applying might be provided only by processing it using combined technologies, which optimally match the both of selected groups.

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Time variations in physicomechanical and acoustic properties of granite irradiated by accelerated electrons

Rostovtsev

2020

IOP Conf. Ser.: Earth Environ. Sci.

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In earlier R&D works executed at IM SB RAS the optimal dose of the granite treatment with accelerated electrons was experimentally established. It equals 10 kGy, this doze causes weakening of granite strength under uniaxial compression from 68.33 to 35.08 MPa, deformation modulus reduces from 13.19 to 7.04 GPa. This pretreatment permits to lower the compressive energy of granite core disintegration from 7.68 to 3.06 J and the crushing energy from 700.42 to 470.88 J. Of specific technological importance is dynamics of chronological variations in mineral properties after pretreatment of minerals with accelerated electrons. The present research aim is to study chronological variations in properties of granite, conventionally associated with deposits of such valuable elements, as Au, Sn, W, Mo, Li, Be, Rb, Bi, etc. The complex experiments on granite revealed that after a granite specimen is subjected to the high-energy electron irradiation, the increase in an absorbed dose causes first reduction in P- and S-waves velocities, then P- and S-wave velocities are growing and later again slowing down. The established experimental regularities of variations in granite properties relate to granite imperfections, specified by memory of the study rock. The most substantial variations in P- and S-waves velocities in the pretreated granite-core specimens within time interval up to 5360 hours after the irradiation are recorded for the adsorbed dose equal to 10 kGy. The established increase in P- and S-waves velocities versus a time interval after granite-core treatment with the adsorbed dose of more than 10 kGy could indicate a reduction in number of available imperfections and a probable strengthening of the study mineral material. Scientific novelty of the present research concerns the determination of chronological variations in granite properties and the beneficial feasibility to use the mineral weakening effect of in mineral processing operations.

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Improvement of Copper–Nickel Ore Concentration under Energy Deposition

Cited by 7 publications

References 5 publications

Kudryavy Volcano Crater Thick Rocks Electrical Breakdown Study in 50 Hz Electromagnetic Field

Kudryavy Volcano Crater Thick Rocks Electrical Breakdown Study in 50 Hz Electromagnetic Field

Discharge-impulse methods application in technologies of mineral resources mastering

Time variations in physicomechanical and acoustic properties of granite irradiated by accelerated electrons

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