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Beneficiation of phosphate sludge rejected from Djebel Onk plant (Algeria)
(National Mining University, 2019-12-30)
Purpose Flotation tests have been used in order to achieve the purposes of this study which are: To obtain the highest recovery with a maximum grade of P2O5 from the tailing generated by the phosphate plant of Djebel Onk ...
Analysis of operation parameters of partial backfilling in the context of selective coal mining
(National Mining University, 2019-12-30)
Purpose is to determine factors of effect of mechanical parameters and geometry of packs, constructed using the undercut rocks in the process of selective coal mining, on the state of geomechanical system within a mine ...
Fault tree analysis and prevention strategies for gas explosion in underground coal mines of Pakistan
(National Mining University, 2019-12-30)
Purpose. Gas explosion in the underground coal mines of Pakistan is the main source of coal miners’ mortalities. The purpose of this article is to analyze the main causes of gas explosion in the underground coal mines of ...
Study of change in the leaching solution activity after treatment with a cavitator
(National Mining University, 2019-12-30)
Purpose. Increasing the valuable component content in a pregnant solution due to the activation of leaching solution with cavitation treatment in case of the borehole in-situ leaching (ISL).
Methods. To obtain the cavitation ...
Variations of physico-mechanical, mineralogical and geochemical properties of marble under the influence of weathering
(National Mining University, 2019-03-30)
Purpose. To investigate the physico-mechanical, mineralogical and geochemical properties variations of Igbeti marble, south-western Nigeria under the influence of weathering.
Methods. About twenty representative samples ...
Review of man-made mineral formations accumulation and prospects of their developing in mining industrial regions in Ukraine
(National Mining University, 2019-03-30)
Purpose. Analysis of the man-made mineral formations of ore mining and smelting, fuel and energy complexes development accumulation, location and prospects amount in the Dnipropetrovsk region.
Methods. Comprehensive ...
Modelling of deep wells thermal modes
(National Mining University, 2019-03-30)
Purpose. Investigation of various heat-exchange conditions influence of the tower liquid on the deep wells thermal conditions.
Methods. Methods of heat-exchange processes mathematical modeling are used. On the basis of ...
Prospective tendencies of coal mining risk management
(National Mining University, 2019-03-30)
Purpose. The main purpose is to identify underground coal mining risks as well as approaches for their reasonable and efficient management taking into consideration internal production reserves in order to improve technological ...