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Research of Froth Flotation Equipment
By G. J. Feng
Based on detailed theoretical analysis of coarse floatation and three-phase froth, a laboratory system which contains a new type of froth floatation equipment is established. Through water experiment,
Jan 1, 2014
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Research of Slurry Preparation before Selective Flotation for Sulphide-Polymetallic Ores
By Sergey Romanenko, Tatyana Aleksandrova, Karen Arustamian
"Current status of question about grinding stage effect to electrochemistry parameters of operation preparation slurry before intermediate selective flotation was assessed in the present scientific wo
Jan 1, 2018
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Applying Linear Model Predictive Control to Crushing Circuit Simulations
By M. Evertsson, M. Johansson
"In minerals processing control is vital to increasing performance and output of a plant. Model predictive control (MPC) is one of the most effective control strategies used in process industry. Sbárb
Jan 1, 2018
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Role of Process Water Quality on Coal Flotation ? a New Look
By Ashiwani Kr Gupta
The floatability of coal is affected by the presence of dissolved inorganic ions in plant process water. Water quality is characterized in terms of conductivity, hardness, turbidity and composition of
Jan 1, 2014
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Flotation of Tennantite from Pyrite Copper-Bearing Ores
By V. V. Zakopaylo, M. V. Lukyantseva, V. A. Ignatkina, V. A. Bocharov, L. C. Khachatryan, D. M. Altynamanov, A. A. Kayumov, R. H. Sharipov
"This research was aimed to explain the reasons of low floatability of tennantite from refractory pyrite ores of non-ferrous metals and to create a reagent regime for selective increasing a recovery o
Jan 1, 2018
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The Role of Thermal Treatment on the Activation of Ilmenite Ores for Leaching
By W. S. Eu
Thermal treatment of mineral ores can initiate thermal phase transformations which can affect either their activation or deactivation, subsequently influencing their ability to dissolve in a leaching
Jan 1, 2014
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Online concentrate band position detection for a spiral concentrator using a Raspberry Pi
By P. Holtzhausen, L. Auret, B. Lindner, A. Haasbroek
"Spiral concentrators offer a cost effective way to separate valuable minerals from gangue by displacing lighter materials to the outside, and heavier materials to the inside of the spiral. The separa
Jan 1, 2014
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Processing Ultramafic Low-grade Nickel Ores by Desliming-flotation
By Z. F. Dai
The Thompson Nickel Belt, located in Northern Manitoba, Canada, contains more than 400 million tonnes of ultramafic low-grade nickel mineralization in 9 deposits. One of these, the Pipe deposit, was m
Jan 1, 2014
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New Dimensions In Advanced Process Control Of Mineral Processing Plants
By Alain Broussaud
The lecture is about the growing role and the evolution of advanced process control (APC) in the mining and mineral processing industry, taking into account major trends in Information Technology. It
Sep 1, 2012
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Phosphate Mineral as Fertilizer in Saline Soil
By D. M. R. Sekhar
Certain types of rock phosphates of sedimentary origin are applied to acidic soils as fertilizer directly. Recent research in India showed that high grade rock phosphate in fine size when used as a mi
Jan 1, 2014
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Vanadium Extraction from Vanadium Titanium-rich Material by Oxidation Roasting-acid Leaching
By Y. F. Guo
Among the different valences of vanadium, V (?) is insoluble in acid, V (?) and V (?) is in-soluble in water but soluble in acid. Vanadium mainly exists as V (?) in vanadium titanium-rich material obt
Jan 1, 2014
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Optimizing the Particle Size Distribution of Grinding Product, Improving the Separation Performance
By L. Y. Zhang
The metallic sulphides in Jinchuan Mine are relative friable and the gangue minerals suffer of wide secondary change, the overgrinding of metallic sulphides and sliming of gangue minerals are the main
Jan 1, 2014
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Vitrified Bottom Ash Slag from Municipal Solid Waste Incinerators-phase Relations of CaO-SiO2-Na2O Oxide System
During incineration of municipal solid waste (MSW), some heavy metals and other environmentally harmful elements are liberated into bottom ash. The stricter environmental regulations require a higher
Jan 1, 2014
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Predicting the Performance of a Batch Vertical Stirred Mill
By D. B. Mazzinghy, D. C. Rocha, H. B. Miller
"The use of ball mills for fine grinding is an inefficient process and has contributed to the increasing popularity of vertical stirred grinding mills in the minerals industry. Over the last decade, t
Jan 1, 2018
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Selective Reduction Roasting of Limonite Ores: Effect of Over-reduction
By W. H. Cheung
Nickel and cobalt production relies heavily on the processing of nickel laterite ores; these ores contain the majority of known Ni and Co reserves, 80% and 90% ~ 95%, respectively. The Caron process i
Jan 1, 2014
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Applying process mineralogy to complex low-grade silver ores
By N. Johnson, J. Quinteros
With the general trend across all commodities towards the treatment of lower grade ores, it is becoming increasingly important to develop efficient protocols for comprehensive mineralogical characteri
Jan 1, 2014
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Study on Treatment Procedure of Pb2+-containing Wastewater by Microwave Modified Bentonite
By T. S. Qiu
In view of the bad effect that Na-bentonite direct adsorb Pb2+-containing wastewater, this article has carried out two kinds modification treatment on Na-bentonite: the direct microwave radiation modi
Jan 1, 2014
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Improvement of Sampling for Moisture Content Analysis in Iron Ore Pellet Feed – Variographic Characterisation and On-Line IR-Analysis
By K-O. Mickelsson, S. Töyrä, H. Esbensen
Accurate information of physical, chemical and metallurgical quality characteristics such as moisture content, iron grade and particle size are crucial for successful process control and for producing
Jan 1, 2018
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Effect of Cations on Anodic Oxidation of Gold in Thiosulfate Solution
By D. W. Feng
Thiosulfate leaching has been considered as the most promising alternative to cyanidation for the recovery of gold from ores. The chemistry of the ammonia-thiosulfate-copper system is complicated due
Jan 1, 2014
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Direct Synthesis of Needlelike Aragonite CaCO3 Whiskers Using H3PO4 as an Additive
Calcium carbonate has three polymorphs: calcite, aragonite, and vaterite. Needlelike aragonite CaCO3 with a high ratio of length to diameter (aspect ratio) is widely used in plastics, rubber and ceram
Jan 1, 2014