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Structure Modelling and Property Prediction for Mineral Engineering
By Xiaodong Jia, Richard A. Williams
"The packing of particles is a fundamental property of a material or system made up of particulates because it underlies many other physical properties of that material or system. Despite being ubiqui
Jan 1, 2003
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Modelling of Complex Technological Processes and Material Processing Systems by Use of Neural Networks
By Wieslaw Wszolek, Kazimierz Trybalski, Ryszard Tadeusiewicz
"The present work is an attempt of neural networks application to the description of complex technological processes of useful minerals enrichment. Neural networks are among the most convenient tools
Jan 1, 2003
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Flotation separation of unburned carbon from coal fly ash using a flotation column
By Yi-jun Cao, Jin-cai Ran, Guo-sheng Li, Jiong-tian Liu, Li-jun Deng, Shu-lei Li
A fly ash sample from a power station in Guangdong province has been characterized by size separation, X-ray diffraction, contact angle measurements and X-ray Fluorescence. The ash sample had a loss-o
Jan 1, 2014
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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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Drivers that will change the design and plant operation in the mining industry
By Bert Huls
Already starting, new drivers will dictate how future mineral processing plants will be designed and operated. These drivers include requirements in water and energy conservation because of rising cos
Jan 1, 2014
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Effect of circulating load and classification efficiency on HPGR and ball mill capacity
By Renato Oliveira, Walter Valery, Alex Jankovic, Birol Sönmez
"The ball mill is the most common ore grinding technology today, and probably more than 50% of the total world energy consumption for ore grinding is consumed in ball mills. On the other hand, high pr
Jan 1, 2014
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Searching for technology for complex gold-copper ore treatment
By Arkady Senchenko, Yuri G. Seredkin, Alexander Aksenov
"This paper describes the development of efficient technology for the treatment of complex ores containing gold and copper as major valuable components, where silver is present as well. Copper is most
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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Mineral processing research and industrial production of a refractory cassiterite sulfide ore
By Xiaoping Xu, Tiansong Dong, Guosheng Wang
"Jianfengpo tin ore is located in Jiangxi Province, China. The cassiterite is fine and dispersed. It is hard to separate marmatite from a variety of sulfide minerals. Because the iron-containing sulfi
Jan 1, 2014
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Modeling interactions between grinding bodies having different shape during milling
By Tsvetan Damyanov, Nikolay Hristov, Evgeni Kostadinov, Lubomir Kuzev
"The process of grinding in drum mills is directly dependent on the dynamic forces occuring in the free movement of the grinding bodies in the volume. The subject of discussion are the potential impac
Jan 1, 2014
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Leaching study of high ash Indian coals at pilot scale
By P. Banerjee, P. Dash, S. Sriramoju, A. Suresh, R. Lingam, T. Ray
"One single property that influences the quality and market value of coal to the maximum extent is the ash content. The lower the coal ash higher is the energy utilization and potential for different
Jan 1, 2014
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Case Studies of Models of Tube Mill and Air Separator Grinding Circuits (ABSTRACT PAGE)
By A. J. Lynch, L. Ergun, M. Oner
"A research program on modelling cement grinding circuits has been in operation at Hacettepe University, Ankara, for four years. It has concentrated so far on tube mill and air separator grinding circ
Jan 1, 2003
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Quantitative analysis of sub-microscopic and surface preg-robbed gold in gold deportment studies
By Brian Hart, Stamen Dimov
"In refractory ores, a substantial part of the gold content may be present as a sub-microscopic component within the mineral matrix of the various carriers. This type of gold may be present as finely
Jan 1, 2014
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Thickener modeling: From laboratory test work to plant scale dynamic simulation
By Leena Vesa, Antti Remes
Design of thickeners is based on laboratory test work, characterizing the material and determining the optimal reagents, dosages and settling regimes. Several methods for dimensioning plant scale equi
Jan 1, 2014
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Impact of mill size on low-energy surface damage
By Nirmal S. Weerasekara, Malcolm S. Powell, Mohsen Yahyaei
"An understanding of the fundamentals of different breakage mechanisms is critical for successfully modelling comminution processes. Due to the high frequency of low energy collisions in the grinding
Jan 1, 2014
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Predict flotation of minerals of elements of platinum group according to molecular modelling and technology of processing
By Igor P. Solozhenkin, Peter M. Solozhenkin, Sanda Krausz
"In this work, authors will show the efficiency of computer technology and chemical programs at studying collectors for flotation of minerals of elements of platinum group (EPG). Clusters various mine
Jan 1, 2014
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Silver Recovery from Zinc-Lead-Iron Complex Sulphides by Pressure Oxidation (ABSTRACT PAGE)
By Gus Van Weert, Samuel A. Bolorunduro, David B. Dreisinger
"INTRODUCTIONThe objective of this work was to deport silver into a residue suitable for subsequent extraction without compromising the high base metal extraction during the pressure oxidation.RESULTS
Jan 1, 2003
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The Application Of Hybrid Comminution Circuits With High-Pressure Grinding Rolls In Mineral Processing
By D. Saramak
Investigations over the application of hybrid comminution circuits with the High-Pressure Grinding Rolls (HPGR), on the main comminution stage on the basis of the lime and cement industry, were presen
Sep 1, 2012
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Dissecting grinding circuit efficiency using functional performance
By Kyle Bartholomew, Robert McIvor
"Functional performance analysis of closed circuit grinding provides valuable insight into the two components of ball mill circuit grinding efficiency: classification system efficiency and mill grindi
Jan 1, 2014
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Irgiredmet?s Experience On Research, Development And Introduction Of Heap Leaching
By Alexey P. Tatarinov
Under modern economic conditions in Russia, gold heap leaching is the most effective way of investing into gold-mining industry. Gold is recoverable from small-size deposits, low-grade ores from oxida
Sep 1, 2012