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Hybrid model predictive control for mineral grindingBy Aldo Cipriano, Fernando Estrada
The mining industry is in search of control strategies that allow considering a global optimization of their processes, ensuring their stability. This has led to the application of recently developed
Jan 1, 2014
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Development of a dynamic mill model structure for tumbling millsBy Weiguo Xie, Malcolm Powell, Lian Liu, Ping Yu
"In order to develop a common mathematical and simulation platform for tumbling mills, a review of existing mechanistic models was made identifying the key aspects of grinding and slurry transport whi
Jan 1, 2014
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Open access modeling tools for comminution processesBy Jaime Sepúlveda
"A broad diversity of critical operating conditions may influence, in very convoluted ways, the actual performance of any given mineral processing system, to the extent that it becomes nearly impossib
Jan 1, 2014
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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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Simulation Research of the Residence Time Distribution in 0.2 M3 Flotation CellBy 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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Non-Traditional Highly Effective Breaking-Up Technology for Resistant Gold-Containing Ores and Beneficiation ProductsBy Yuriy V. Gulyaev, Galina V. Sedelnikova, Valeriy D. Lunin, Valentin A. Chanturiya, Igor J. Bunin
"Probable mechanisms of disintegration of mineral particles in gold-containing sulphides and benefication products exposed to high-power electromagnetic pulses are discussed. Experimental data are pre
Jan 1, 2003
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Advances In X-Ray Tomography In The Processing Of Mineral ResourcesBy J. D. Miller
The more efficient production and use of mineral resources is a major objective of our sustainability efforts. Resource characterization is a critical component for optimization of the mine-to-mill pr
Sep 1, 2012
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Perspective New Ecologically Safe Technologies for Rare-Metal and Gold-Bearing Ores DressingBy O. A. Punishko, G. G. Mineev, Zabaikalsky Ore-Dressing Plant, M. V. Malova, O. V. Belousova, S. A. Bogidaev
"In order to intensify benefication processes (flotation and magnetic separation) for rebellious tantalitecolumbite ores electrochemical machining of pulp (ECM) is suggested instead of costly mechanic
Jan 1, 2003
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New techniques for measuring turbulence in flotation cellsBy Erico Tabosa, Meng. Jun, Kym Runge, Matthew Brennan, Weiguo Xie, Dee Bradshaw
Turbulence and its distribution are of great importance in flotation cell design as they affect suspension of particles, air dispersion and particle-bubble collision rates, which in turn determine flo
Jan 1, 2014
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Fundamental study of the effect of flotation reagents on copper flotation with seawaterBy Kazutoshi Haga, Atsushi Shibayama, Kosuke Nishioka, Yasushi Kihara, Altansukh Batnasan
The aim of this study was to investigate the feasibility studies of seawater in flotation of a 1.5 mass % of copper containing copper sulfide ore. Effects of seawater, various frothers, and different
Jan 1, 2014
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In-House Copper Sulphate Extraction from Cold Purification Cake at Hindustan Zinc RefineriesBy 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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Processing Of Ilmenite (FeOTiO2) For Value Added ProductsBy G. V. S. Murthy
Beach Placer Ilmenite is an important source for production of titanium metal, titania slag and pigment grade titanium dioxide. Besides, these well known applications for which Ilmenite is mined and p
Sep 1, 2012
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Economic Production of Feldspar for the Ceramic IndustryBy Paolo Bevilacqua, Paolo Antonini, Lorenzo De Lorenzi
"Ceramic production requires large quantities of K-feldspar, which is commonly sourced from granites, alkali-granites, and feldspathic sands. These rocks contain other minerals, such as quartz and pla
Jan 1, 2003
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An Overview Of Optimizing Strategies For Flotation BanksBy 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 optimizationBy 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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Modeling floatability components for liberated and composite particlesBy Trevor Saldanha, Stephen Grano
A key uncertainty in flotation modelling is determining, a priori, the proportion of each mineral which will develop a certain rate constant for different feeds of variable liberation and hydrophobici
Jan 1, 2014
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Overcoming sustainability challenges of future concentrator plantsBy Kalle Härkki
Sustainability principles in the minerals industry are now becoming more and more important from the perspective of securing a license to operate and enhancing environmental, economic and social perfo
Jan 1, 2014
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REE Recovery from Mine Tailings via the Hyperaccumulator D. DichotomaBy L. Muhr, Y. -T. Tang, M. -O. Simonnot, B. Laubie, R. -L. Qui, Z. Chour
"Agromining aims at recovering metals from different secondary resources with hyperaccumulating plants. These natural plants can selectively concentrate metals at very high level and can be transforme
Jan 1, 2018
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Insights into Nanoscale Phenomena on the Sulfide Mineral Surfaces Related to Flotation and LeachingBy S. A. Vorobyev, Yu. L. Mikhlin, Ye. V. Tomashevich, A. A. Karacharov, M. N. Likhatski1, A. S. Romanchenko, S. V. Saikova
"A set of state-of-the-art methods have been applied to study ultrafine particles and nanoscale species arising on mineral surfaces upon milling, interaction with flotation reagents, and leaching of b
Jan 1, 2018
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Lower operating costs through enterprise dynamic performance managementBy Osvaldo Bascur
"The Metals and Mining industries continue to be challenged by deflated commodity prices, increased energy costs, decreased quantity / quality of raw materials, and expanded regulatory requirements. I
Jan 1, 2014