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Mineralogical Characterization Of Raw And Beneficiated Fractions Of An Ib Valley Coal For Beneficiation Characteristics, Quality And Behavior On Combustion
By Shobha Kumari
Coal is the prime source of energy in India. It now contributes to about 55% of the total power generation and will continue to have its major share in the energy mix of the country in the foreseeable
Sep 1, 2012
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Study on Design, Synthesis and Floation Experiment of a Novel O-Isopropyl-N-Benzyl Thionocarbamate
By Sun Chuanyao, Cao Fei, Sun Desi, Zhou Dezhi
"The research applies the density functional theory and molecule design technology to design and synthesize the novel flotation collectors for copper-sulphur separation. Density functional theory (DFT
Jan 1, 2018
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Beneficiation of Hematite Ore by High Intensity Magnetic Separation and Selective Flocculation
By Kr. J. Dedelyanova
Selective flocculation of iron minerals could improve the economics of high intensity magnetic separation as concomitant process. When the minerals are finely disseminated is necessary a finer grindin
Jan 1, 2014
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Study On The Separation And Extraction Process Of Beneficiation-Metallurgy Combination From A Complex Rare-Metal Ore
By Liu Yong
A complex rare metal ore, containing various valuable elements is used in this study. The mineralogy results indicate that the mineral composition of the raw ore is complex, and there are more than th
Sep 1, 2012
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Insights into Nanoscale Phenomena on the Sulfide Mineral Surfaces Related to Flotation and Leaching
By S. A. Vorobyev, Yu. L. Mikhlin, Ye. V. Tomashevich, A. A. Karacharov, M. N. Likhatski1, A. S. Romanchenko, S. V. Saikova
"A set of state-of-the-art methods have been applied to study ultrafine particles and nanoscale species arising on mineral surfaces upon milling, interaction with flotation reagents, and leaching of b
Jan 1, 2018
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Introducing HPGR Applicability Index as a Novel Criteria for Selection of HPGR at Iron Ore Pellet Feed Preparation Circuit
By V. Sheikhzadeh, M. Saghaeian, R. Hejazi, M. Zare
High Pressure Grinding Roll (HPGR) plays a major role in increasing specific surface area of iron ore concentrate for producing pellet feed. HPGR grinding mechanism implies that material be compressed
Jan 1, 2018
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Model Predictive Control Of The Interface Level In An Oil Sands Separation Cell
By Anuj Narang
Large-scale separation or flotation cells, used in the primary extraction in the oil sands industry, are integral parts of the overall process of bitumen extraction. Good regulation of the interface l
Sep 1, 2012
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Effect of Limestone and Pyroxenite Fluxing on the Quality and Microstructure of Hematite Pellets
By Indrajit Paul, Atanu Pal, Kapil Modi, Sanjay Chandra, Chandra Sekhar, Srinivas Dwarapudi
"High alumina content in the Indian iron ore fines (2.5% Al2O3) resulted in poor quality pellets at the recently commissioned 6 MTPA pelletizing plant and a study was under taken to establish suitable
Jan 1, 2018
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Selective Reduction Roasting of Limonite Ores: Effect of Over-reduction
By W. H. Cheung
Nickel and cobalt production relies heavily on the processing of nickel laterite ores; these ores contain the majority of known Ni and Co reserves, 80% and 90% ~ 95%, respectively. The Caron process i
Jan 1, 2014
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Necessary conditions for mineral-bubble aggregate formation during flotation
By Vladimir Vigdergauz, Sergey Kondratiev
The paper reviews the existing criteria of the formation of particle-bubble aggregates during flotation. It is shown that predictions obtained by these criteria do not completely fit to the interactio
Jan 1, 2014
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Argentojarosite synthesis and research
By Arkady Senchenko, Sergey Rybkin, Svetlana Lagutina, Alexander Aksenov
"The application of autoclave leaching technology for sulfide concentrates containing base and precious metals is spreading nowadays. In the process of concentrate leaching silver accumulates in the f
Jan 1, 2014
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Processing of Sarband Andalusite Deposit
By A. Bahrami
Andalusite, silimanite and kyanite are polymorphs of aluminosilicate known as kyanite group. Minerals of this group are used in refractory. Sarband andalusite deposit is located in Markazi province in
Jan 1, 2014
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A DEM Investigation of the Mechanism Governing Improved Grinding Efficiency Obtained by Partial Replacement of A Ball Charge by Pebbles
By Brian Loveday, Sandile Nkwanyana, Indresan Govender
"Recent batch experiments by the authors in a pilot scale ball mill (Ø = 0.6m) have demonstrated that a partial replacement of the ball charge by pebbles (25 % pebbles; 75 % steel balls) optimally red
Jan 1, 2018
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Sustainability, Environmental Rheology and Full Cost Accounting of Tailings Disposal
By Fiona Sofra, Briony C. Ruse, David B. Boger
"The sustainability of the mining industry must be addressed through improving tailings management. The use of thickened tailings and pastes stems from a paradigm shift towards designing tailings disp
Jan 1, 2003
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The Applications of Electrical Resistance Tomography for Multiphase Flows in Mineral Processing
"The research aimed at solving the problem of measuring instantaneous local physical quantities for multiphase flows in mineral processing, which are common in minerals industry and with significant c
Jan 1, 2018
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Halite Flotation ? New Trends (New Purpose)
By S. N. Titkov
Flotation of halite?new, recently begun to be developed method of processing water-soluble minerals. In the paper the results of studies of the new directions of the application of halite flotation ar
Jan 1, 2014
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Study on the Structure and Gelating Performance of Organically Modified Montmorillonite
By X. J. Lu
Purified Na-montmorillonite samples were used as the starting materials to prepare organically modified montmorillonites (OM), and a series of OM samples were prepared by intercalation of al-kyl quate
Jan 1, 2014
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Application Of Concentration Centrifuge In Tailings Of Small Scale Plant ? Province Pegmatite Borborema (Brazil)
By J. Y. P. Leite
In the Borborema Pegmatitic Province (Brazil) exploitations of several minerals are conducted by small producers. They use traditional techniques of gravity concentration in small-scale plants as jigs
Sep 1, 2012
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Wet And Dry Grinding Methods Effect On The Flotation Of Taknar Cu-Zn Sulphide Ore Using A Mixed Collector
There are interactions between different minerals from the same ore, minerals and grinding media, and the electrochemical conditions present in the system. Grinding in steel rod and ball mills is a co
Sep 1, 2012
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Process mineralogy of a complex sandstone-type compound copperore
By Chuansheng Luo, Qiuyang Hong, Lili Zhang, Dongyun Liang
"The metallogenic rock of a sandstone-type Cu ore is arkose-quartzite as well as siltstone and the cement is composed of argillaceous minerals including sericite, chlorite, etc. and carbonate minerals
Jan 1, 2014