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Application of Selective Grinding and Electrostatic Separation of Aluminum Dross as a Pretreatment for Generating ?Green-Hydrogen?
By S. Owada
A national project of ?Establishing ?Green-Hydrogen (G-H)? Society in Honjo-Waseda Area? is now being developed by Waseda University together with four other universities and ten companies. The proje
Jan 1, 2014
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Flotation Performance of a New Chelating Collector
By W. G. Liu
Phenyl malonic acid (PMA), a new chelating collector, which contains a phenyl structure and a malonic acid chelating group, has been synthesized and its collecting capabilities to calamine, hematite,
Jan 1, 2014
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The Control of Calcium and Magnesium in a Base Metal Sulphate Leach Solution (60a7c70a-da9d-47c5-9e97-61f048b895cb)
By M. Pelser, C Aldrich
"The presence of calcium and magnesium in the hydrometallurgical processing of base metals, results in a number of process difficulties. These problems range from the contamination of the final produc
Jan 1, 2003
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Influence of Comminution by Interparticle Breakage on Mineral Liberation of Copper Sulfide Ores
By Long Han, Jianyuan Liu, Ping Ying
"Particle-bed compressive stressing is the main work mechanism of comminution by high pressure grinding rolls(HPGR). An experimental study on comminution and mineral liberation of two copper sulfide o
Jan 1, 2018
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Obtaining Natural Mineral Fe- and Ti- pigments from Raw Materials
By J. Botula
In the region of the North-Bohemian Coal Basin and its environment, there, in a row of places, are found the accumulations of rocks of the sedimentary and pyro clastic origin, the preliminary composit
Jan 1, 2014
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Processing marine phosphate ore - Namibia
By G. Prabhulingaiah, D. M. R. Sekhar
"A phosphate deposit of estimated 6 billion tons of P2O5 is located 180 to 300 meters below the sea level, 185 kilometers north of port Luderitz, Namibia. The ore bed is 6 kilometers wide and 220 kilo
Jan 1, 2014
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Minimising Copper Activation of Iron Sulfide Minerals during Grinding
High flotation of iron sulfide minerals at high pH values in copper ores is mainly due to the activation of these minerals by copper species dissolved from copper sulfide minerals during grinding. Sev
Jan 1, 2014
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Magnetic Seeding Co-Agglomeration for Hematite Slimes Flotation
By Xiqing Wu, Tao Yue
"Magnetic seeding co-agglomeration, i.e. adding magnetic seeds, organic depressant (such as the starch), and pre-magnetization for co-agglomeration, was applied in the reverse flotation for hematite o
Jan 1, 2018
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Triboelectric Charge Characteristics and Electrical Separation of Wollastonite from Complex Silicate Ore
By Hamid-Reza Manouchehri
"The triboelectric charge attributes of feldspar, quartz and wollastonite minerals, after contacting different triboecharging medium made of different materials, were considered. Their charge acquisit
Jan 1, 2003
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Study on New Technique for Advancing Recovery of Micro-sized Hematite by Magnetic Separation
By Y. H. Tang
For its surface features, micro-sized hematite is usually difficult to recover by magnetic separation; especially, the existing high gradient magnetic separator in industry can not utilize collecting
Jan 1, 2014
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Flotation in highly concentrated electrolyte solutions
By Sergio Castro, Janusz Laskowski
In the flotation in highly concentrated electrolyte solutions not only ionic strength but also chemical composition, flotation pH and mineral properties play an important role. As a result an improvem
Jan 1, 2014
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Study on the Synthesis and Application of Polycarboxylic Acid CWM Additives
By S. Q. Zhu
Coal Water Mixtures (CWMs) are densed suspensions of coal particles in water. Viscosity is one of the most important rheological properties of CWMs and it is desired to be as low as possible. The slur
Jan 1, 2014
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A Density Functional Based Tight Binding (DFTB+) Study on the Sulfidization-Amine Flotation Mechanism of Smithsonite
By Ye Chen, Jianhua Chen, Meng Liu, Yuqiong Li, Xiao Mu, Cuihua Zhao
"Sulfidization-amine is the most effective method for the recovery of smithsonite (ZnCO3), however the interface interaction details remain unclear. The sulfidization-amine flotation mechanism of smit
Jan 1, 2018
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Process And Productivity Improvement Of An Iron Ore Washing Plant By Column Flotation
By T. V. Vijaya Kumar
Most of the iron ore washing plants set up in India consist of sizing of the ore by dry / wet screening, washing and classification by screw classifiers followed by multi-stage hydrocycloning of screw
Sep 1, 2012
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Theoretical Principles of Mechanical Activation during Processes in New Construction Mills
By Lj. D. Andric
Development of modern devices for mechanical and mechanochemical materials activation has been dated since the beginning of last century. Rapid development of high-energy mills that are different in
Jan 1, 2014
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A new insight into oxidation mechanisms of sulphide minerals
By Alireza Javadi Nooshabadi, Kota Hanumantha Rao
Formation of hydrogen peroxide (H2O2), an oxidizing agent stronger than oxygen, by sulphide minerals during grinding was examined. It was found that pyrite (FeS2), chalcopyrite (CuFeS2), sphalerite ((
Jan 1, 2014
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Gold Deportment Studies On A Copper-Gold Ore - A Systematic Approach To Quantitative Mineralogy Focusing On Diagnostic Metallurgy (123723a8-e2f2-4ca8-9a51-7f6afb35355a)
By A. Chattopadhyay
Porphyry copper deposits are the most important source of copper and also gold within the orogenic belts. These deposits are characterized by low grade copper ore (0.2% to 1% copper) and host precious
Sep 1, 2012
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Manganese Distribution Between Alloy & Slag Phases In Making Fe-Si-Mn Alloy From Polymetallic Sea Nodules
By Sanjay Agarwal
Polymetallic sea nodule is a good source of manganese having 22.3% Mn, 5.4% Fe, 6.14% Si, 1.1% Cu, 1.15% Ni, 0.076% Co & others. These nodules are available in plenty on the sea beds, generated over t
Sep 1, 2012
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Leaching Kinetics Study Of The Mehdi-Abad Low Grade Zinc Oxide Ore
By B. Hosseini
Considering the subtractive trend of the sulfide and high-grade zinc ores in worldwide and also in Iran, Nowadays special attentions have been drawn to the extraction of zinc from its other resources
Sep 1, 2012
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Pressure Leaching Of Indian Coals At Elevated Temperature For Producing Low Ash Clean Coal
By P. S. Dash
With implementation of stringent environmental regulations, ultra clean coal technology development programs have gained significant importance worldwide. As far as Indian scenario is concerned, most
Sep 1, 2012