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It Enablement In Drilling And Blasting
By Ajay K. Jha1
Drilling and Blasting are two important unit operations in the production cycle of a mine and a strong link exists between these two and other unit operations/subsystems like loading, transportation,
Sep 1, 2012
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New Experimental Set-up for Studying the Effect of Turbulence on Particle-bubble Interactions
By N. Schreithofer
Varying flow regimes, particle populations and consequently different types of bubble-particle interactions characterize the different zones of a flotation cell. The understanding of the role of the d
Jan 1, 2014
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Characterisation Of Various Coal Combustion Products From Mongolian Thermal Power Stations And Their Application For Preparation Of Geopolymers And Zeolitic Compounds
By J. Temuujin
Mongolia has some of the world?s largest coal reserves with an estimated total coal reserve of over 150 billion tonnes. At present, over 90% of Mongolian electricity is produced by combined heat and t
Sep 1, 2012
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Adsorption of carboxymethyl cellulose on talc basal and edge surfaces probed by atomic force microscope
By Jacob Masliyah, Zhenghe Xu, Lujie Yan
"Understanding adsorption mechanism of polymeric organic process modifierssuch as carboxymethyl cellulose (CMC) on talc hasbeen a major challenge due to anisotropic nature of talc basal planes and edg
Jan 1, 2014
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Mechanical Activation of Pyrophyllite and Preparation of Porous Silica
By H. M. Yang
Structural alteration of pyrophyllite during mechanical activation in a planetary mill was investigated by X-ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR) techniques. Mechan
Jan 1, 2014
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Innovative Aspects of Processing of Lithium Technogenic Raw Materials
By ?. S. Yusupov, V. P. Isupov, N. Z. Lyakhov, A. G. Vladimirov, S. A. Kondratiev
"Considering the shortage of lithium reserves, the desirability has been shown of studying the possibility of processing into spodumene concentrates the concentration tailings and low-grade ore reserv
Jan 1, 2018
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Flotation Characteristics Of A Complex Copper Ore: A Comparison Between Wet And Dry Grinding
By Saeed Farrokhpay
It is known that the grinding condition has a major effect on the beneficiation characteristics of the minerals in subsequent processing, in particular, flotation. In the flotation process, particles
Sep 1, 2012
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Study Flotation of Rare Earth Minerals by New Collector DH
By Yongfu Yu, Xiaotie Wang, Fuguang Zhang, Liping Che
"The flotation process of native Rare Earth minerals such as bastnasite, monazite, mixed minerals of bastnasite and monazite, using the new effective collector Dh was studied in this paper, respective
Jan 1, 2003
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Design, Modelling and Control of Flotation Equipments ( XXII International Mineral Processing Congress)
By Juan B. Yianatos
"After almost 100 years, since the first commercial application began in Australia, flotation has shown an extraordinary growth and nearly 2 billion tons of ore per year are presently treated by flota
Jan 1, 2003
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Effect of vanadium occurrence and minerals components on the vanadium extraction from stone coal
By Yang Xiao, Zhang Yimin, Bao Shenxu, Liu Chun
Stone coal is a unique vanadium-bearing resource in China. Many techniques, such as salt roasting-water leaching, blank roasting-acid leaching, direct acid leaching etc. have been developed for vanadi
Jan 1, 2014
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Liquid distribution in drip irrigated heap bioleaching of ore and its influence on microbial colonization
By I. Ngoma, Marijke Fagan, Susan Harrison, Rebecca Chiume
"Heap bioleaching is an unsaturated hydrometallurgical extraction process which is commonly applied to the recovery of copper from low grade sulfide ores as well as for preparatory treatment of gold o
Jan 1, 2014
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Atmospheric Oxidation of a Gold-Copper Flotation Concentrate
By Yu. E. Emelyanov, A. V. Bogorodsky, R. N. Nabiulin, S. V. Balikov
"The paper describes the results of the study of gold-copper flotation concentrate atmospheric oxidation at different sizes of material, varying oxidation time, with air or oxygen blow. The study show
Jan 1, 2018
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Continuous Bioleaching of a Polymetallic Black Shale Concentrate Using the Stirred Tank Technology
By P. Spolaore
In the frame of Bioshale FP6 project, the bioprocessing of a polymetallic and polymineral concentrate produced in an industrial operation in Lubin, Poland, was assessed. Following successful batch cul
Jan 1, 2014
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Practical aspects of Cu-Mo separations and alternatives to NaSH and Nokes reagent
By P. Zarate, M. Peart, T. Bhambhani, D. R. Nagaraj
More than 50% of all the molybdenum produced in the world is a by-product of copper production. A bulk Cu-Mo concentrate is first produced, which is subsequently separated into Cu and Mo concentrates.
Jan 1, 2014
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Structural Characterization and Mechanism of a Synergistic Reagents Combination: Amyl-xanthate, Butyl-dithiophosphate and N, N-diethylddithiocarbamate Ester
By H. Q. Peng
The study of synergistic reagents combination of mineral floatation is more and more important with the decreasing of bonanzas now. In order to determine the chemical reaction mechanism, here we prese
Jan 1, 2014
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Characterization Of Limestone According To Geological Characters For The Synthesis Of Aragonite Precipitated Calcium Carbonate
Three high-grade limestone ores (CaO content over than 53 %) with different geological origin have been characterized for the synthesis of aragonite precipitated calcium carbonate. Limestone ores exam
Sep 1, 2012
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Effect of Nanobublbles on Adsorption of Sodium Oleate on Calcite Surface
By Wenqing Qin, Yunfan Wang, Ximei Luo, Fen Jiao
In order to investigate the effect of nanobubbles on adsorption of surfactant on mineral surface, the nanobubbles on the surface of calcite with -37µm fraction in the sodium oleate system were control
Jan 1, 2018
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A Simplified Approach to Modelling Semi-autogenous Grinding
By A. L. Hinde
The steady-state and dynamic behaviour of semi-autogenous grinding (SAG) mills are arguably best described using a population model that caters for the breakage kinetics and the material trans-port of
Jan 1, 2014
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Carbochlorination of Rutile, Titania Slag and Ilmenite in a Bubbling Fluidized-Bed Reactor
By John Nell, Paul den Hoed
Carbochlorination tests were conducted with matched particle-size fractions of rutile, ilmenite and high-titania slag in a small bubbling fluidized-bed reactor. The effects of temperature, the type an
Jan 1, 2003
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Wettability Heterogeneities and Their Importance in Heterocoagulation Processes for Mineral Separation
By P. Knüpfer, B. Babel, M. Rudolph, F. Perez Maldonado, U. A. Peuker, L. Ditscherlein
"In heterocoagulation processes for the separation of mineral particles, the most famous being froth flotation, the main characteristic of separation is a differing wettability of the constituents to
Jan 1, 2018