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An Overview Of Optimizing Strategies For Flotation Banks
By M. Maldonado
A flotation bank is a serial arrangement of cells. How to optimally operate a bank remains a challenge. This article reviews three reported strategies: air profiling, mass-pull (froth velocity) profil
Sep 1, 2012
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HPGR modelling with mineral liberation for plant optimization
By Brochot. Stephane, Manuel Gonzalez Fernandez
"HPGR (High-Pressure Grinding Rolls) is widely used today for grinding of various kinds of ores such as iron ore or base and precious metal ores. It can be used as first stage of grinding replacing te
Jan 1, 2014
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Study on Synthesis and Collecting Capability of N-dodecylethylenediamine
By D. Z. Wei
Amine collectors with different structures and length of carbon-chain have been widely used in oxide minerals flotation. In this paper, we synthesized one kind of binary amine, N-dodecylethyl- enediam
Jan 1, 2014
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Use of Lignin Derivatives for Selective Flotation of Cu-Mo
By Regis Texeira, Leopoldo Gutierrez, Vicente Hernandez, Caludia Vidal, Lina Uribe
"Molybdenum is currently the most important by-product of Chile´s copper mining industry. This mineral has gained international relevance over the years, because of its price. At mining deposits in Ch
Jan 1, 2018
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Tracers: A powerful tool for verifying flowmeters and water balance in mineral processing operations
By Carlos Collado, Oscar Jimenez, Francisco Diaz, Rodrigo Bernal, Carmen Salinas
Water is a strategic resource for the mining industry. The rising cost has forced the industry to become more efficient in their use, reduce and recycle waste as much as possible. The importance of ha
Jan 1, 2014
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Performance of hydrocyclone separating bi-component mixture
By Crasta Jeason, T. Sreenivas, M. Narasimha
The subtle nature of the flow inside the hydrocyclone has encouraged development of mathematical models for predicting its performance, which are widely used in simulation of comminution circuits. But
Jan 1, 2014
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Sensor-Based Separation Of Carbonates
By M. R. Robben
Carbonates have gained significant economic importance for the human kind. On one hand over a hundred uses are listed for carbonates. On the other hand, carbonates host base metal deposits. Although t
Sep 1, 2012
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Effect of Impeller Design on Bubble Size and Froth Stability
By A. Morrison, D. Mesa, P. R. Brito-Parada
"Froth flotation is the most widely used mineral separation technique. It is based on the relative hydrophobicity of valuable and gangue particles. In a flotation tank, two distinct zones can be ident
Jan 1, 2018
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Interactive Effects between Frothers and Dithiophosphate Collectors in Sulfide Mineral Flotation
By D. Pienaar, B. McFadzean, T. Jordaan
"Dithiophosphate (DTP) collectors have the lowest affinity for sulfide mineral surfaces compared to other common sulfide mineral collectors, such as xanthates and dithiocarbamates. In some cases it ha
Jan 1, 2018
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Effect of Epistemic Uncertainty in the Selection of Concentration Circuit Structures
By E. D. Gálvez, L. A. Cisternas, R. Acosta-Flores, F. A. Lucay
The optimal design of flotation circuits is a complex task as the mathematical model is nonconvex and includes binary variables, making it difficult to obtain the global optimum solution. Furthermore,
Jan 1, 2018
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Selective Flotation Of Ultrafine Nickel Sulphide From Serpentine In Saline Water By Pluronic Triblock Copolymers
The flotation of nickel sulphide minerals is normally difficult in the presence of serpentine minerals due to the coating of serpentine particles on the nickel mineral surface. To improve the flotatio
Sep 1, 2012
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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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Dual Energy X-Ray Transmission Imaging for Concentration and Control of Solids
By H. U. R. Kattentidt, W. L. Dalmijn, T. P. R. de Jong
"Research at Delft University aims to develop systems for automatic inspection and sorting of bulk solids which can be applied in the mineral processing and recycling industry. A recent development in
Jan 1, 2003
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On the Recovery of Associated Minerals in the Flotation Process Based on Size-Liberation Data
By H. Gallardo, J. Yianatos
Flotation is a separation process in which mineral recovery depends on the particle surface properties. The selective collection of particles by air bubbles requires hydrophobic mineral surfaces. Hydr
Jan 1, 2018
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Assessment of Stereological Equations for Mineral Processing
By Stephen Gay, Dewetia Latti
"When improving a plant a mineral processing engineer would like to know the mineral composition distribution. In order to assess this distribution in particles, as compared to the corresponding distr
Jan 1, 2003
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Utilisation of Complexation on Removal of Cadmium: From Soil by Electrokinetic Method
By Masakazu Niinae, Kenji Aoki
"Electrokinetic soil remediation by electroosmosis and ionic migration is restricted to soluble substances. At a higher pH, the soil particles sorb more heavy metals than at a lower pH and the precipi
Jan 1, 2003
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Study of froth recovery and froth dropback behaviour in a controlled plant environment
By Reza M. Rahman, Seher Ata, Graeme J. Jameson
"This paper presents the results of a through investigation into the froth recovery measurements in a controlled plant environment using a device that allows direct collection of dropback particles fr
Jan 1, 2014
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High energy milling in a planetary ball mill: Discrete element and population balance modelling
By Venkataramana Runkana, Shantanu Maheshwari
As the world reserves of high quality ores are getting depleted at a rate higher than ever, the liberation of valuable minerals from low grade ores is becoming more and more relevant and imperative. B
Jan 1, 2014
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On-line instruments for measuring thickening parameters in industrial thickeners
By Juan Pablo Segovia, Alonso Pereira, Fernando Concha, Daniel Sbarbaro, Samuel Vergara
A robust theory of sedimentation-consolidation evolved and was accepted by researchers worldwide in the last two decades of the 20th century. This theory provides a reliable method of thickener design
Jan 1, 2014
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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