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The Prediction of Flotation Reagents for Ultra Fine Coal Flotation Using Surface Chemistry Techniques
By Susanna G. de Jager, Francis W. Petersen
"The aim of the project was to develop a methodology applicable to different South African coal types to be able to predict with a high degree of certainty what kind of reagent will be suitable for fl
Jan 1, 2003
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Recovery Of Gold, Silver, Copper And Niobium From Printed Circuit Boards Using Leaching Column Technique
By Ricardo Montero
At this time, over 300 tons of Au are used in electronic equipment each year with other precious and strategic metals such as Ag, Pt, Pd, Cu, Nb, Ta, etc. After the use-phase, the electronic devices b
Sep 1, 2012
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Application of WF-01 Collector in Flotation Experiment to Phosphate Rock of Al Jalamid, Saudi Arabia
By W. Q. Zhao
In order to raise the utilization rate of phosphate resource of Al-Jalamid Mine in Saudi Arabia, a flotation experiment for its phosphate rock was carried out by using WF-01collector that have been pr
Jan 1, 2014
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Biosorption of Chromium Ions by Aspergillus Niger: Compare Fixed bed and Shake Flask
By R. Marandi
The effective removal of heavy metals from aqueous wastes is among the most important issues for many industrialized countries, How ever biosorption, i.e. the uptake of heavy metals by non- living bio
Jan 1, 2014
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Kinetic Study Of The Bioleaching Process Of Miduk Copper Sulphide Minerals By Modeling
By S. N. Shahcheraghi
Bioleaching method makes use of bacteria in solving metallic sulphides, so that these bacteria tend to convert insoluble metal sulphides into soluble sulphates. Since the kinetics description of this
Sep 1, 2012
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Developing Technical Excellence In Young Australian Metallurgical Professionals ? A New Graduate Development Program
By Diana Drinkwater
As ore grades decline, ore deposits get harder and mineralogical complexity increases, metallurgical skills are more important than ever to ensure that today?s mining operations are operating efficien
Sep 1, 2012
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Effect of Limestone and Pyroxenite Fluxing on the Quality and Microstructure of Hematite Pellets
By Indrajit Paul, Atanu Pal, Kapil Modi, Sanjay Chandra, Chandra Sekhar, Srinivas Dwarapudi
"High alumina content in the Indian iron ore fines (2.5% Al2O3) resulted in poor quality pellets at the recently commissioned 6 MTPA pelletizing plant and a study was under taken to establish suitable
Jan 1, 2018
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Influence of Galvanic Effect on Adsorption of Xanthate on Pyrite, Galena and Chalcopyrite (a055f5fa-6661-4dad-acf4-2d2a7503161d)
By Ela Mielczarski, Jerzy A. Mielczarski
"The adsorption of xanthate takes place at a different potential on each major sulfide mineral, hence, as it was demonstrated in the past, each mineral component can be selectively separated from ore
Jan 1, 2003
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Coal Grinding Aided by High Pressure Water Jets
By M. Surracco, M. C. Tilocca
"Mineral comminution is often a costly process which also requires high level of energy. In the course of the studies carried out by the researchers of the Department of Civil-Environmental Engineerin
Jan 1, 2018
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Effect of Grinding Conditions on the Flotation of Malachite and Calcite
By Z. G. Song
As a kind of complex physicochemical process, grinding would affect the subsequent mineral processing such as flotation considerably. In this study, the effect of wet grinding on malachite and calcite
Jan 1, 2014
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Study on activation property and mechanism of metal cations in wolframite flotation
By Y. De Gao, C. Gang Zhong, X. Yang Qiu, Li Wan
The chelating reagents are used as effective collectors in wolframite flotation, and certain metal cations need to be added using chelating collectors so as to activate valuable minerals and obtain go
Jan 1, 2014
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High Resolution On-line Particle Size Distribution Analyses on Highly Concentrated Ore Slurries
By G. Jenny
The particle size distribution of ground minerals is of decisive importance for downstream processes like floatation, separation, drying or others. In order to optimize the process efficiency on one
Jan 1, 2014
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Mechanical Activation of Fly Ash and Its Utilization as Individual Binding Material
By B. Csoke
In a first stage of our investigations material properties of fly ash (three acidic and one alkaline type originating from combustion of various age coal) obtained from four various dumps have been ch
Jan 1, 2014
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Study Of Process Mineralogy And Carbon Depression In Carbon-Bearing Cu-Co Oxide Ore In DRC
By Shuoshi Lu
The Cu-Co ore studied here belongs to the oxide type. The oxidation rates of copper and cobalt are69.30% and 78.78%, respectively. The content of Cu in ROM is 1.34% and that of Co is 0.096%. The ore c
Sep 1, 2012
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Mitigation of Operational Shortcomings in an Isamill through Design Change- A Numerical Perspective
By V. Runkana, N. K. V. Nadimpalli, S. Sahu
"IsaMill™ has been in operation in the recent past for fine grinding of low grade ores to extract non-ferrous minerals. IsaMill™, typically, consists of a series of uniformly spaced identical disks mo
Jan 1, 2018
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Synthesis and Characterization of Montmorillonite Organo-intercalation Compound Assisted by Microwave Irradiation
By M. L. Cao
In this study, a montmorillonite organo-intercalation compound (MOIC) was synthesized by using a Na-modified bentonite (NaB) as a matrix and hexadecyltrimethylammonium (HDTMA) bromide as an intercalat
Jan 1, 2014
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Research on Beneficiation of Low Grade Phosphate Ore from Russia
By X. Q. Ma
The beneficiation test on low grade phosphate ore from a state of Russia is carried out. The rougher-cleaner ? re-cleaner system is used in the flotation process, The fineness of grind is 39.07% minus
Jan 1, 2014
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Geometallurgical Characterization of Vizcachitas Cu/Mo Ore, Chile
By Antony Amberg, Gonzalo Saldías, Romke Kuyvenhoven, Catherine Souza, Heriban Soto, Francisco Soto
"Vizcachitas is an advanced stage copper–molybdenum porphyry deposit, fully owned by Los Andes Copper and located in Central Chile. The property contains an indicated resource of 1,038 million tonnes
Jan 1, 2018
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Implementation Of On-Line Particle Size And Concentration Analysis For Grinding Optimization
By A. Pankewitz
The well-established on-line particle size analyzer OPUS manufactured by Sympatec GmbH, has been successfully implemented in several mining and industrial minerals project. OPUS monitors the particle
Sep 1, 2012
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Alkaline Pressure Oxidation Leaching of Arsenic from Gold Concentrate in Lower Temperature
By Peng Qian, Xiao Li, Guoyan Fu, Peiwei Han, Yongliang Wang, Shufeng Ye
"Arsenic removal from high arsenic gold concentrate is conducive to increase the mineral value and realize the mineral comprehensive utilization. This study investigated the alkaline pressure oxidatio
Jan 1, 2018