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Latest Installations And Developments Of Loesche Vertical - Roller - Mills In The Ore Industry
By Carsten Gerold
The paper is giving an overview about successful operating Loesche Vertical ? Roller ? Mills (VRM) installations and summarises the main benefits of the dry compressive Loesche grinding technologies i
Sep 1, 2012
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Ultrafine grinding application in the field of mineral processing
By Sergey Ulianov, Arkady Senchenko, Alexey Shvets, Arkady Bakotin
"This paper is devoted to ultrafine grinding of processing products. This process allows one to include into operation complex ores which earlier were considered as inefficient and economically inadvi
Jan 1, 2014
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Practical Processes and Equipment for Efficient Recovery of Fine Free Gold from Mineral Materials at an Every Stage of Processing Including Exploration
By V. M. Mankov, O. V. Zamyatin
"Fine free gold at a size of minus 250-100 µm can be effectively recovered from mineral materials (buried clay placers, saprolites, gold-bearing aggregates, technogenic sands etc.), or MM, using some
Jan 1, 2018
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Closing The Skill Gaps And Labor Shortages: A Priority For Mining Companies And The Chilean Government
By H. Araneda
Throughout Chile?s history, mining has consistently been a leading industry in the country. The 1990s marked the beginning of a boom in Chile?s mining industry, especially in copper mining, due to bot
Sep 1, 2012
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Electrochemical flow cell for mineral processing
By Luis Cáceres, Genny Leinenweber
"We have designed a planar perpendicular flow cell for electrochemical measurement of a mineral available as a fine powder. The working electrode consisting of mineral powder supported on a carbon pas
Jan 1, 2014
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Electrochemical study of sulfide flotation: Short story
By Vladimir Vigdergauz
"Electrochemical studies of metal sulfides in connection with their floatability are discussed. According Frumkin, sorption of electroneutral organic substances has a maximum near the potential of zer
Jan 1, 2014
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Novel Collectors and Green Modifiers for Flotation of Noble Metals from Refractory Ores
By T. N. Matveeva, T. A. Ivanova
"The article presents the results of the research aimed at development and testing of new effective reagents – collectors and green modifiers for more complete extraction of gold and platinum to conce
Jan 1, 2018
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Comparison of the Flotation of Enargite Using Fresh and Seawater
By L. Gutierrez, R. Yepsen, F. Alarcón
Chile is the world's largest copper producer which is mostly in the form of sulfides for which froth flotation is the most efficient concentration process. As a result a concentrate that contains high
Jan 1, 2018
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X-Ray Radiometric and Triboelectric Separation of Diamond-Bearing Materials
By R. V. Kononko, A. Yu. Chikin, R. N. Rakhmeev, Yu. O. Fedorov
"The focus of the study is finding a solution that can help to improve diamond recovery in diamond-bearing gravity concentrates upgrading flowsheets. The purpose of the study was to develop and prove
Jan 1, 2018
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Biohydrometallurgical Gold Extraction from Carbonaceous Pyrite-arsenopyrite Concentrate by the Microorganisms Including Moderate Thermophili?
By G. V. Sedelnikova
Biohydrometallurgical studies were performed on the sulfide gold-arsenic concentrate obtained in treatment of refractory ore from a deposit located in northern Russia. Gold is disseminated in sulfides
Jan 1, 2014
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Apolar Physically-Adsorbed Agents In Froth Flotation
By S. Kondratiev
Mechanism of the action of nonpolar physically adsorbed reactants in froth flotation is under discussion in the paper. It is shown that their basic influence on flotation includes removing of the kine
Sep 1, 2012
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Experimental Studies of Centrifugal Concentrators with Fluidization and Horizontal and Vertical Axis of Rotor Spinning
By A. N. Lazaridi, S. I. Afanasenko, S. A. Safonov
"This scientific work presents the results of comparative tests of centrifugal concentrators with a vertical and horizontal axis of rotor spinning. The article also describes a qualitative analysis of
Jan 1, 2018
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Comparison of anion exchange resins for adsorption processes in the gold industry
By I. Grigoryeva, G. Voiloshnikov, V. Dementyev, N. Moskaeva, N. Voiloshnikova
"Adsorption processes with use of anion exchange resins are widely applied in the gold mining industry of Russia and the former Soviet Union. Anion exchange resin AM-2B and its analogs (with mixed bas
Jan 1, 2014
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Adsorption Technology for Gold and Silver Recovery Using Resins and Activated Carbons
By G. I. Voiloshnikov, V. E. Dementyev
"One of the most important advances in the world gold metallurgy is the introduction of adsorption technologies for processing of ores and concentrates. «Adsorbent-In-Pulp» process allows to eliminate
Jan 1, 2018
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Ecological Strategy of Mining Development – Formation of New Worldview for the Natural Resources Exploitation
By Vladimir F. Skorokhodov, Nikolay N. Melnikov, Svetlana P. Mesyats
"Among the problems of the civilization development, a problem of interaction between man and natural environment can be highlighted. In the twentieth century the human transforming activity had got s
Jan 1, 2018
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Numerical Modeling for Acidification of Soil by Electrokinetic Processing
By M. Niinae
Electrokinetic soil remediation by electroosmosis and ionic migration is restricted to soluble sub-stances. At a higher pH, the soil particles sorb more heavy metals, such as cadmium, than at a lower
Jan 1, 2014
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Separation in Froth: An Effective Technique for Coarse Flotation (b1235222-c7f3-4b2e-ab66-f64fef86bc51)
By Kauko T. Ingerttilä, Jouko O. Kallioinen, Jaakko O. Leppinen, Alexander V. Lashkul, Vladimir E. Nenno
The Separation in Froth (SIF) technique is based on the idea that the pulp is fed directly onto the froth layer prepared on the surface of liquid medium providing an effective method for separation of
Jan 1, 2003
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Impact of sea water on grinding and flotation characteristics of a Cu-Mo ore
By Massimiliano Zanin, William Skinner, Keith Quast
With the scarcity of fresh potable water on mining sites, particularly those in arid and remote regions, the use of sea water is being contemplated and actually used at a number of mineral concentrato
Jan 1, 2014
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Study of Ilmenite and Anatase Mechanochemical Reduction and Their Subsequent Leaching
By M. Kanuchová, J. Briancin, M. Achimovicová
"Faculty of Mining, Ecology, Process Control and Geotechnology, Technical University, Košice, Slovakia An industrial eccentric vibratory mill was used for direct and short-time mechanochemical reducti
Jan 1, 2018
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Comparison Of Electrokinetic Behaviour Of Pentlandite From Various Sources
By M. Mirnezami
Pentlandite samples were obtained as Ni concentrate from three Canadian plants and one specimen sample from Ward?s Scientific Establishment. The samples were upgraded using gravity and magnetic separa
Sep 1, 2012