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A Dynamic Model of Metal Production and Waste Management
By Markus A. Reuter, Albert Scholte, Ewoud V. Verhoef, Gerard P. J. Dijkema
A dynamic, interactive map has been developed of the life cycle of a number of metals, from mining through to minerals processing, metal production, product manufacturing, recovery and waste managemen
Jan 1, 2003
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Chemical leaching influence on the floatability of oxidized polysulfide ores
By Vladimir Vigdergauz, Elena Belogub, Dmitriy Makarov
The influence of supergene oxidation on physicochemical and technological properties of polysulfide ores was studied. Modeling and analysis of oxidation pyrite copper-zinc ore samples from the Valento
Jan 1, 2014
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FBRM Measurements of Fine Solid Flocculation Performance Using Graphene Oxide-Doped Industrial Flocculants in High-Clay Tailings
By H. Palza, C. Ihle, S. Contreras
"Processing of minerals, particularly treatment of tailings, has been increasingly challenged by the presence of clays in the feed of thickeners. This occurrence is expected to become increasingly imp
Jan 1, 2018
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Recovery of metals from tailings
By Häkkinen Antti, Salmimies Riina, Matveinen Maria
"Tailings generated during the upgrading of ore present a major challenge for the mineral processing industry. On one hand, the processing of tailings requires added capital input. On the other hand,
Jan 1, 2014
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Flotation of a Sheelite-Carbonate Ore with Wide Range of Carbonate Module
By F. O. Milovich, V. A. Ignatkina, L. A. Samatova, E. D. Shepeta
"The aim of the research was to increase technological parameters of the flotation of finely disseminated scheelitecarbonate ore using selective reagent regime.In the studies the monomineral fractions
Jan 1, 2018
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Influence of clays on induction time, floatability and foam stability in the process of flotation of copper sulphide minerals
By Cristian Melipichun, Leopoldo Gutierrez
The effect of the presence of fine particles of kaolinite and montmorillonite on the induction time for attachment of bubbles to particles of a copper concentrate rich in chalcopyrite was evaluated in
Jan 1, 2014
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Take up the gauntlet: Design for recycling!
By Nani Pajunen, Kari Heiskanen
"Products filling our societal needs, like communication and transportation needs, are becoming more sophisticated and efficient. The cost has been an increased complexity of material combinations. Th
Jan 1, 2014
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Leaching of Gold and Silver with Ferricyanide-cyanide Solution
By F. Xie
Low gold and silver leaching kinetics has been commonly observed in traditional gold-silver cyanidation process, especially in those heap-leaching operations. The reactivity and availability of oxidan
Jan 1, 2014
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Development of a dynamic Jb / Jc estimation Model in a single stage SAG mill
By Francisco Vicuña, Miguel Becerra, Nelson Iglesias
"The following article presents the development of a dynamic tool for the estimation of Jb/Jc rate (ball filling level / total load filling level) of a SAG mil operating in a single stage mode. Using
Jan 1, 2014
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Effect Of Regrinding Conditions On The Rejection Of Pyrite In The Cleaner Stage
In this study, the effect of different regrinding conditions on the depression of fine pyrite at the cleaner stage was investigated. The regrinding condition was manipulated by different grinding medi
Sep 1, 2012
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In-House Copper Sulphate Extraction from Cold Purification Cake at Hindustan Zinc Refineries
By Kumar Ashish, Shukla Akhilesh, Kr. Rokkam Kiran, M. Sheeba, S. Sombhatla Sundar
"Purification of zinc leachate plays a predominate role in zinc leaching refineries, to produce impurity free cathode sheets. As a part of such purification sequences, copper cementation with zinc dus
Jan 1, 2018
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Geometallurgy: New accurate testwork to meet required accuracies of mining project development
By Michel Brissette, Shaheer Sanuri, Veroljub Mihajlovic
"The main purpose of geometallurgy is to improve the mine planning by mapping hardness and throughput into the mine block model using geostatistics to eliminate the large production fluctuations cause
Jan 1, 2014
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Modeling Of Coal Compaction Within Stamp-Charged Coke Making By Means Of Computational Physics
By A. Sand
Within stamp-charged coke making a large volume of coal is compacted to one single coal cake before entering the coke oven chamber. This is done by means of several falling stampers in a stamping mach
Sep 1, 2012
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Improvement of the Selective Comminution of a Low-Grade Schist Ore Containing Cassiterite Using a High Voltage Pulse Technology
By K. Bru, D. B. Parvaz
"Electric pulse fragmentation (EPF) is an innovative technology that uses high-voltage pulsed power (HVPP) for the selective comminution of the treated material. Highly energetic electrical pulses are
Jan 1, 2018
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The Effect of Some Design and Operating Variables on Vacuum Pressure and Bubble Size in a Jameson Cell
By James A. Finch, Xiangzhou Ding, Yue Hua Tan
"The Jameson Cell is one of the choices of flotation machine in coal, base metal processing and other specialist applications. This paper determines the effect on vacuum pressure and bubble size of tw
Jan 1, 2018
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The Application of Power Ultrasound to Surface Cleaning and Activation in Mineral Processing (e84ddd55-0a2a-4e2c-bc0b-cabf5fba443d)
By A. Collings, A. Farmer
Power ultrasound may be used in the processing of mineral suspensions to clean the particle surfaces of oxidation products and fine coatings, mainly through the large, but very localised forces, produ
Jan 1, 2003
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Modelling Of Crumbling And Mineral Liberation During Crushing Using ?Natural Grain Size Distribution? For Friable Ores
Sedimentary deposits such as sandstone are formed by the aggregation of cemented sand grains. Phosphates and laterite present similar aggregation of mineral grains. Grains and cement have different mi
Sep 1, 2012
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New insights into comparison of breakage testing techniques
By Fatemeh Saeidi, Malcolm S. Powell, Mohsen Yahyaei
In order to deal with the problems of existing comminution models a new approach towards the development of mechanistic models has been made so as to better understand the physics of milling processes
Jan 1, 2014
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Column Flotation of Coals and Minerals with Oscillatory Air Supply
"This research aims at improving the beneficiation of coals and minerals in fine and ultrafine size fractions. A widely used method for upgrading fine and ultrafine particles is froth flotation, which
Jan 1, 2018
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An improved model of the elementary act of flotation in the vibratory column flotation machine
By Julian Dimitrov, Kremena Dedelyanova
"The paper presents research on hydrodynamic processes occurring at the elementary act of flotation. Discussed existing models to determine the effectiveness of conflict of bubbles with particles in v
Jan 1, 2014