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Tumbling mills and the theory of large deviations
By Sudarshan Martins, Peter Radziszewski
"Tumbling mills are machine, operating in non-equilibrium, capable of applying forces on the ore contained within, causing the ore to break down. The action of the mill on the ore is very inefficient,
Jan 1, 2014
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Process to recover iron values from high alumina Indian iron ore slime: A bench scale study
By Dilip. Makhija, Asim. K. Mukherjee, Tamal Ghosh, Abhay Patra
In India around 15-20% of Run of Mine (ROM) from any iron ore deposit reports to slime dams as byproduct of iron ore beneficiation process. The proportion of iron ore slime to ROM will increase in fut
Jan 1, 2014
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The Mathematical-physical Formulation of the Size Effect of Compression Crushing Forces
By G. Unland
The sizing of crushers depends on the expected crushing forces. However, the crushing forces develop differently with every individual rock while it is compressed by the working surfaces of the crushe
Jan 1, 2014
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Topology of a Computer-Supported System for Remote Monitoring and Management of Flotation in the Copper Mine "Veliki Krivelj", Bor, Yugoslavia
By Slobodan B. Vujic
"Some twenty years ago, during construction of flotation in the “Veliki Krivelj” copper and non-metallic mine Bor, a computer supported system for remote controle of technological process was installe
Jan 1, 2003
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Usage of Correlation between Liberation Parameters and Conditions of Separation of Minerals for Reaching Maximal Technological Efficacy of the Mineral Processing
By Victor V. Karmazin
"The appearance of the precise equipment for analysis of results of the laboratory tests with using of the computer processing allows raising accuracy of the estimation of the expected indexes of the
Jan 1, 2003
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Iron Removal from Kaolin by Using Organic Acids of Fungal Fermentation
By M. E. Ramírez
In this research bioleaching or extraction of iron present in a kaolin from La Virgen mine, Anti-oquia/Colombia, was carried out. Organic acids produced in SF with Aspergillus niger were used in the p
Jan 1, 2014
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Development of Leaching Process for MN Extraction Using Carbohydrates as Reducing Agents: Operating Condition Optimisation, Kinetic Model and Leach Liquor Purification
By Francesco Vegliò, Luigi Toro, Francesca Pagnanelli
Different hydro-metallurgical processes have been studied in order to recover manganese(II) from oxidised minerals such as MnO2. An innovative acid reductive leaching carried out in mild experimental
Jan 1, 2003
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Closed-Loop Recycling Of Nickel, Cobalt and Rare Earth Metals from Spent Nickel-Metal Hydride-Batteries
By R. Weyhe, B. Friedrich, H. Heegn
"Nickel-metal hydride batteries (Ni-MH) are storers of electrochemical energy, which have a higher specific storage capacity than lead or nickel-cadmium batteries. The demand for Nickel-metal hydride
Jan 1, 2003
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Evaluation of the Performance of a Plant- Scale Comminution Circuit via Lab-Scale and Computer-Based Measurements
By Gökçe Törenli, Okay Tutar
"Predicting the performance of plant-scale comminution circuits is essential to monitor the energy use and product size distribution, allowing us to control and optimize the whole process. In the ligh
Jan 1, 2018
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Problems of Cost-effective Use of Complex Gold Ores
By V. V. Lodeischikov
This paper covers some problems of treatment of complex gold ores and concentrates containing copper, lead, zinc, antimony and uranium. All these metals may present in ores both as major and associate
Jan 1, 2014
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Quartz Winning out of a Flint Mix via Optical Sorting
By C. Çelik
Nowadays the optical sorting of industrial minerals is one of the most important processing methods which has cost efficient production possibilities. This method is used for industrial and raw materi
Jan 1, 2014
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Optimization of ball mill and magnetic separators at 4th Iron ore production plant in Golgohar mining and industrial company
By M. Amani, A. Akbarinasab, M. Bazmandeh
The fourth iron ore production plant at Golgohar mining and industrial company consists a ball mill and wet medium intensity magnetic separators (3500 Guss). The ball mill product applies directly int
Jan 1, 2014
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Removal of Microcrystalline Opaline Silica from Bentonite by Ultrasonic Treatment
By J. Seo, W. Kim, I. Bae
"Microcrystalline silica impurities such as quartz and opal-CT commonly associated in bentonite should be controlled and removed as far as possible when bentonite is used as biocompatible raw material
Jan 1, 2018
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Study on Flotation and Crystal Chemistry of Several Sulfate Minerals
By S. S. Lu
In sodium oleate and salicylhydroxamic acid systems, sequence of floatability of three sulfate minerals is: barite>celestite>gypsum, in lauryl amine system is: gypsum>celestite>barite. XPS and infrare
Jan 1, 2014
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Study on Process and Reagent Interaction Mechanism in Low Grade Collophanite Flotation
By H. M. Gao
According to the difficulty of dolomite removal from collophanite,normal-reverse floatation process has been adopted in floatation with the use of highly selective collector G-4 and depressant S721. G
Jan 1, 2014
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Comparative Analysis of Performance of Water Only Cyclones and Hydrocyclone for Iron Ore Processing at Joda Iron Ore Processing Plant, Tata Steel
By D. Chakraborty, Neeraj Kumar
"The study provides the comparative analysis of the performance of water only cyclones and hydrocyclone for iron ore fines processing at Joda Iron ore processing plant, Tata Steel. Joda iron ore depos
Jan 1, 2018
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The Role of Complexing Agents and Dispersants in Pentlandite-Pyroxene Separation by Flotation
By de Vaux. Deryck, Natalie J. Shackleton, Vratislav Malysiak Cyril T. O. Connor
"The major losses of PGM and base metals in the beneficiation of platinum group deposits occur during the separation of gangue from the value minerals by selective flotation. A number of studies have
Jan 1, 2003
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Upgradation of Low-Grade Ferruginous Chromite Ore by Reduction Roasting Using Conventional and Microwave Heating
By S. Z. Khan, Veerendra Singh, Y. Rama Murthy, S. Prasad, Sunil Kumar Tripathy, Gajanan Kapure
"In this study, a low-grade ferruginous low-grade chromite ore was subjected to reduction roasting by using conventional heating as well as microwave heating. Sukinda chromite ore deposit contains maj
Jan 1, 2018
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Simulation Research of the Residence Time Distribution in 0.2 M3 Flotation Cell (2547fcd1-c735-435d-af5f-66b76d2bd068)
By Chen Jianhua, Shen Zhenchang, Zhang Ming, Chen Feifei
"With flotation cells scale-up, the performance of flotation cells is increasingly variated for short-coming and dead zones existing. The residence time distribution which shows the movement of tracer
Jan 1, 2018
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The Study of Enrichment of the Fine Hematite Iron Ore in Gol-E-Gohar Iron Ore Co.
By S. M. Saghaeian
The studies on the product finer than 12 mm due to crushing and sizing plant of Gol-e-Gohar Iron Ore mine showed which this material contains significant amount of valuable iron minerals. Based on the
Jan 1, 2014