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Modification of Structural – Chemical and Technological Properties of Rare – Metal Minerals under the Influence of High – Power Electromanetic Pulses
By E. V. Koporulina, I. Zh. Bunin, M. V. Ryazantseva
"We studied the mechanism of structural and chemical transformations of columbite, tantalite, zircon and feldspar surface during the treatment by high – power electromagnetic pulses (HPEMP) using the
Jan 1, 2018
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The Effect of Impact Breakage on the Separation Efficiency
By A. A. Sirkeci
In the scope of this investigation comparison between impact breakage and compression breakage were carried out for the separation efficiency of minerals using a chromite ore sample. The ore sample wa
Jan 1, 2014
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Flotation in Highly Concentrated Electrolyte Solutions/Seawater
By S. Castro, L. Gutierrez
"Mining operations are often located in remote arid environments with limited access to fresh water. Shortage of fresh water in such cases makes it necessary to use seawater in mineral processing plan
Jan 1, 2018
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Recovery of REE-bearing minerals from a granite ore by dry magnetic separation and WHIMS-settling methods
By Jacqueline Satur, Yoshiaki Kon, Buenaventurada Calabia, Xiao Sheng Yang, Arvo Naumanen, Kenzo Sanematsu, Sayaka Morita, Tetsuichi Takagi
Granite ores are composed of silicate minerals and a variety of valuable REE (rare earth elements)-bearing minerals, however the processing technique to recover these valuable minerals is not yet deve
Jan 1, 2014
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Chalcopyrite (CuFeS2) Leaching: the Rate Determining Solution Species Under Stirred Reactor and Column Leach Conditions at pH 1
The effect of the acid anion on chalcopyrite (CuFeS2) leaching has been examined, under care-fully controlled conditions, in a range of acids in stirred reactors and columns at pH 1. Solution speciati
Jan 1, 2014
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The Practical Research on Recovery of the Manganese from Flotation Tailings in Nanjing Yinmao Lead-zinc Mine
By F. H. Wang
The Yinmao Lead-Zinc Mine Co. Ltd. has got 50 years of mining history. In recent years, the manganese grade in the flotation tailings has been continuously increasing. In order to make fuller use of t
Jan 1, 2014
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Optimization of a Compound Spiral for Cleaning High Sulfur Fine and Ultrafine Coal
By B. J. Zhang
Conventional spirals are capable of providing excellent clean coal recovery, although at a relatively high ash content. Compound spirals, which provide two stages of spiral cleaning in a single taller
Jan 1, 2014
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On site automated mineralogical analysis at the Mount Polley porphyry copper mine, Canada
By Graeme Lamson, Rene Dobbe, Merle Kalstrom, Janice Baron, Robert Thorpe, Chris Martin, Snezana Bajic, Amanda Palko
"This paper presents early results from a case study at the Mount Polley porphyry copper mine in British Columbia, Canada. Daily mineralogical data was acquired and reconciled with daily plant assay a
Jan 1, 2014
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Thiosulphate Leaching of Gold/Silver from a Copper-Bearing Pyritic Gold Concentrate
By O. Celep, H. Deveci, Ersin Y. Yazici, F. Ahlatci
"There are increasingly stricter environmental regulations imposed for use of cyanide leaching for the extraction of gold from ores. Alternative lixiviants to cyanide, preferably with low toxicity, ha
Jan 1, 2018
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The Magnetizing Roasting of Pyrite Bearing Concentrates
By V. A. Luganov
The processing of pyrite concentrates may be accomplished with a preliminary enrichment due to withdrawal of iron sulfides from initial concentrate. The withdrawal of iron sulfides is possible with th
Jan 1, 2014
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Bioremediation of Acid Mine Water Using Rice Husk and Tree Bark
By Evvie Chockalingam
Acid mine drainage (AMD) is a perennial problem particularly in abandoned mines, occurring due to the oxidation of sulphidic mine wastes. AMD is usually characterized by high concentration of dissolve
Jan 1, 2014
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Investigating Simultaneous Recovery of Metals and Acid from Pickling Acid Circulation
By J. Lindström, J. Hamuyuni, M. Lundström, J. Aromaa
"The rising demand for metals today, coupled with the scarcity of primary sources for raw materials threatens both technological advancements and industrial manufacturing. In order to meet the demand,
Jan 1, 2018
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Application and Development of Depressant BK501 in the Desilication from Bauxite by Reverse Floatation
By Y. H. Zhang
Mechanism of BK501 in desiliconization from bauxite was studied by use of flotation test, EDS, ?-potential, FTIR. Results of flotation show that almost all of diaspore can be depressed when BK501 is p
Jan 1, 2014
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Development of a Cost- effective Technology of Valuables Recovery from Oxidised Lead Ore
By V. Beskrovnaya
Oxidised lead-bearing ores of one of the deposits of Russian Federation represent complex raw materials. Its main components are lead (3.2%~4.7%), silver (100~300 g/t) and zinc (0.7%~0.8%). The sample
Jan 1, 2014
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Fundamental Properties of Flotation Frothers (Proceedings of the 22nd International Mineral Processing Congress (IMPC))
By Janusz S. Laskowski
The flotation-related properties of hexanol derivatives and mono-alkyl ethers of propylene oxide, which include many important flotation frothers (e.g. MIBC, DF-200, DF-250, DF-1012, etc.) have been s
Jan 1, 2003
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Self-similarity and energy-size relationship of coarse particles comminuted in single particle mode
By Thomas Mütze, Michael Klichowicz, Mathis Reichert, Holger Lieberwirth
"Self-similarity is proofed to be a common feature when brittle material is comminuted, either in particle bed or single particle mode. Appropriate test work is well documented for particle sizes less
Jan 1, 2014
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Effect of Ball Size Classification on Specific Breakage Rates of Particles in Full-scale Cement Grinding Tube Mills
By Ö. Genç
In this paper, full-scale mill data collected from three different circuit configurations in cement plants demonstrated the size reduction performance of dry ball mills in relation with the ball size
Jan 1, 2014
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Optimizing Knelson Concentrator Performance in Gravity Gold Circuits
By G. K. Nimal Subasinghe
The performance of Knelson Concentrators (KC) used in gravity gold circuits often rely on manufacturers recommendations for selecting operating parameters such as, fluidising water flow rate and cycle
Jan 1, 2014
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Mathematical Modelling of Attraction Forces of Metal Magnetic Liners in Ball Mills
By J. Zou
With the increasing applications of the Chinese metal magnetic liners, the requirement for their technical specifications has become stricter and stricter. It is necessary to deeply analyse the metal
Jan 1, 2014
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Investigation on Mineral Processing Technology of Ilmenite in Fengning, Hebei Province
By Y. F. Li
Fengning ilmenite ore is a magnetic deposit in gabbro containing high phosphorus and low titanium, the main minerals in which are ilmenite, magnetite and apatite. The dissemination size of magnetite i
Jan 1, 2014