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Sorbent Mineralogy in the North Bohemian Brown Coal Basin and Their Utilization for Reclamation Works
By T. Lang
Clay sorbents from the North Bohemian Brown Coal Basin represent important but still some-what neglected accessory raw material. Submitted paper is concerned with relation between mineral structure, s
Jan 1, 2014
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Secondary Pb Processing: It’s Time for Electrochemistry
By E. Guerrini, M. Maccagni, J. Nielsen
"Lead is the most important material able to meet the current demand for energy storage. The lead acid battery is reliable, efficient and inexpensive. Continuous developments in battery construction a
Jan 1, 2018
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Separation Of German Kupferschiefer Lithology With NIR Sorting
By P. Romm
The German Kupferschiefer (copper shale) mining history reaches back over 800 years with its last active mines being shut down in 1990. Increasing metal demands and potential thread of future supply s
Sep 1, 2012
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Recasting Mineral Processing Flow-Sheets
By Skinner. W.
"Introducing cutting-edge development work, which aims to simplify mineral processing flow-sheets, reduce costs and address environmental issues. Over the past four years Innovative Mineral Processing
Jan 1, 2018
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Predicting the Contribution of Impact Wear to Total Steel Media Consumption
By Lokesh K. Thakur, Peter Radziszewski
"For the cases tested (11 mills with 15 operating conditions), the Bond abrasion test steel media wear rate prediction gives an overall error of 73% and a standard deviation of 192.5%. However, total
Jan 1, 2003
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mmonium Fluoride Processing of Beryllium Raw Materials
By Lev Malytin, Alexander Dyachenko, Roman Kraydenko
"A new method of processing beryllium raw materials based on interaction of beryllium mineral with ammonium fluoride was developed. Possibility of extracting ammonium tetrafluoroberyllate from bertran
Jan 1, 2018
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mmonium Fluoride Processing of Beryllium Raw Materials
By Lev Malytin, Alexander Dyachenko, Roman Kraydenko
"A new method of processing beryllium raw materials based on interaction of beryllium mineral with ammonium fluoride was developed. Possibility of extracting ammonium tetrafluoroberyllate from bertran
Jan 1, 2018
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Mineral Processing Techniques for Coal Combustion Byproducts (ABSTRACT PAGE)
By S. K. Kawatra, T. C. Eisele
"Coal-fired electrical power generation plants produce 56% of all the electricity in the U. S., burning approximately 860 million tons of coal annually. This results in production of 58 million tons o
Jan 1, 2003
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Fragmentation of Ore and Solid Waste by Means of Electrical Disintegration and Disintegration by Underwater Explosion
By Jan Svoboda, Atsushi Shibayama, Toyohisa Fujita, Toshio Miyazaki, Kenji Murata
"The electrical disintegration (ED) method and disintegration by underwater explosion were investigated as new fragmentation techniques for the kimberlite ore and tungsten scrap of superalloy (carbide
Jan 1, 2003
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Investigation of Reagents for Selective Flotation on Chalcopyrite and Molybdenite
By K. Sasaki, H. Miki, Y. Muta, T. Hirajima, G. P. W. Suyantara
"Selective flotation of chalcopyrite and molybdenite is continuing problem since its selectivity is not perfect and current NaHS process needs closed system flotation plant because of hydrogen sulfide
Jan 1, 2018
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Fundamental study of the effect of flotation reagents on copper flotation with seawater
By Kazutoshi Haga, Atsushi Shibayama, Kosuke Nishioka, Yasushi Kihara, Altansukh Batnasan
The aim of this study was to investigate the feasibility studies of seawater in flotation of a 1.5 mass % of copper containing copper sulfide ore. Effects of seawater, various frothers, and different
Jan 1, 2014
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The Use of Optical Sorting Devices in Mineral Processing
By Hermann Wotruba, Günther Petzold, Fabian Riedel
"Increased mechanisation in underground stoping operations results in higher waste percentages in the run of mine. A new method of reducing waste is optical sorting. Optical sorters have low maintenan
Jan 1, 2003
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Study on New Highly Effective Technique of Dressing-smelting for Complex Refractory Tantalum Niobium Tungsten Ore
By Y. D. Gao
A new technique has been developed for comprehensively recovering tantalum niobium tungsten ore by adoption of stage grinding, stage separation, combination of flotation and gravity separation, gravit
Jan 1, 2014
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Dry Technologies of Ore Preparation as a Tool for Increasing Extraction of Valuable Components
By V. A. Vorob'ev, A. N. Larionov, E. N. Ivanov, M. A. Ryazanov
The aim of the research is to increase the recoverable value of poor, difficult-to-digest complex mineral raw materials. In the Republic Belarus, universal centrifugal-shock devices have been created
Jan 1, 2018
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Application of a Fuzzy-PID Dual Mode Controller in the Pulp Level Control System of Flotation Column
By Y. X. Li
In order to control the pulp level in flotation column which has long time-delay and great inertia, and is difficult to establish an accurate mathematical model, a Fuzzy-PID dual mode controller is ap
Jan 1, 2014
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Performance Studies On SAG Mill In The Processing Of Gold Ore At The Hutti Gold Mines Company Limited
By Gurubasayya Swamy
This paper presents the performance study of sag mill in the processing of gold ore. Deterioting ore grade and high demand of metals has tremendously influenced the SAG mills. Today?s high capacity Se
Sep 1, 2012
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Models for the Diffusion Coefficient of Cupric Ion and Limiting Current Density in a Copper Electrorefining Electrolyte
By T. Kalliomäki, B. P. Wilson, M. Lundström, J. Aromaa
"The diffusion rate of cupric ions and limiting current density are important factors that determine the rate of copper mass transport in electrolytes proximal to the electrodes used in electrorefinin
Jan 1, 2018
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Separation of ultrafine particles by two-liquid flotation: Selectivity and process behavior analysis
By Tom Leistner, Urs A. Peuker, Martin Rudolph
"It is well known, that for conventional froth flotation techniques the processing of ultrafine mineral particles is generally inefficient and results in rather low-grade concentrates and relatively h
Jan 1, 2014
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Differential Classification of Dense Material in a Three Product Cyclone
By Aubrey Mainza, Malcolm S. Powell
"A hydrocyclone with two vortex finders, named the three-product cyclone (3PC), has been successfully tested in the Platinum industry for dealing with the dense Chromite found in UG2 ores. This dense
Jan 1, 2003
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The Evaluation of the Energy Efficiency of the Crushing Process «In the Layer» in Cone Crushers
By E. V. Bratygin, S. P. Elnikova
"In the article carrying out technique of experiments for estimation of power efficiency of process of crushing in cone crushers «in a layer». The conformity of the granulometric characteristics of th
Jan 1, 2018