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Mineral Processing of Cobalt-rich Ferromanganese Crust and Nodules
By M. Ito
Cobalt-rich ferromanganese crust and nodule ores from seamount areas contain volcanic and sedimentary rocks as substrate or nuclei. These ores require mineral processing to remove the sub-strate/nucle
Jan 1, 2014
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Alkylhydroxamate Reagents Structural Analysis By X-Ray Diffraction
By R. Chowdhury
Axis House manufactures and supplies alkylhydroxamate reagent of various carbon chain lengths for application in flotation of oxide copper and other minerals. As part of reagent performance improvemen
Sep 1, 2012
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Some Applications Of Tóth-Isotherm In Mineral Processing
By l. Bokányi
The Tóth adsorption isotherm-model was derived and has been widely used for the inhomogeneous solid surfaces. The three-parameter isotherm incorporates the effect of the interaction between the adsorb
Sep 1, 2012
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Technical realization of innovative roll-agglomeration of bast fibres at industrial scale
By Peter Ay, Elena Geldt, Satyanarayana Narra, Claudia Glaser
"As part of an extensive research and development project, the technical and technological implementation of the patents DE 10 358 245 B4 and WO/2006/056172 was developed with the goal to present a sy
Jan 1, 2014
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Process to recover iron values from high alumina Indian iron ore slime: A bench scale study
By Dilip. Makhija, Asim. K. Mukherjee, Tamal Ghosh, Abhay Patra
In India around 15-20% of Run of Mine (ROM) from any iron ore deposit reports to slime dams as byproduct of iron ore beneficiation process. The proportion of iron ore slime to ROM will increase in fut
Jan 1, 2014
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Size-By-Size Evaluation of the Concentration Process in Spiral Concentrators
By D. Izerdem, S. L. Ergun
"Beneficiation of the finely disseminated valuable minerals has been an important issue in the mineral processing field for decades. Treatment of the fine materials becomes difficult with using tradit
Jan 1, 2018
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Non Contact Acoustics Measurement and Validation of SAG Mill Operation (9e67a48f-a988-4e1a-b466-2b273ec64d48)
By Rod Hocking, Nenad Djordjevic, Randolph Pax
"Semi Autogenous (SAG) mills exhibit complex interactions between the competing processes occurring inside them. Traditional practice is to measure the operation of the SAG mill at an operating point
Jan 1, 2003
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Cyanide preg-robbing effect is a problem, which can arise during autoclave processing of double refractory gold ores
By Artem Dolotov, Alexander Ter-Oranesyants, Saveliy Kaplan, Boris Axenov, Vasiliy Kovalev, Valeriy Tsyplakov, Konstantin Grigorjev, Nikolai Vorob’ev-Desyatovskii
The issues of double refractory gold ores pressure oxidation were considered. It was demonstrated that along with chloride autoclave preg-robbing which has been studied there are other negative extern
Jan 1, 2014
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Development of Reagent Reagime for Flotation of Apatite-Staffelite Ores
By Y. E. Brylyakov, M. A. Kostrova
"The apatite staffelite ores (ASO) of Kovdor deposit are dominated by fine-grained aggregates containing both phosphate minerals and silicates — vermiculite, smectites, zeolites. These minerals exhibi
Jan 1, 2018
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Kinetics Of Oxidative Dissolution Of Lead Sulfide
By Alexander E. Sobolev
The kinetics of oxidative dissolution of lead sulfide in solutions of nitric acid and sodium hypochlorite was studied using the rotating disk method and the factor experiment design. The dependences o
Sep 1, 2012
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Development of Leaching Process for MN Extraction Using Carbohydrates as Reducing Agents: Operating Condition Optimisation, Kinetic Model and Leach Liquor Purification
By Francesco Vegliò, Luigi Toro, Francesca Pagnanelli
Different hydro-metallurgical processes have been studied in order to recover manganese(II) from oxidised minerals such as MnO2. An innovative acid reductive leaching carried out in mild experimental
Jan 1, 2003
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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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"N-carboxymethyl chitosan in differential flotation ofgalena and chalcopyrite"
By Kaioeng Wang, Qi Liu, Yahui Xiang
"In the differential metal sulfide ore flotation it is desirable to replace the toxic inorganic depressants with environmentally benign chemicals. Chitosan, as a natural and non-toxic polymer, has bee
Jan 1, 2014
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Improvement of the Selective Comminution of a Low-Grade Schist Ore Containing Cassiterite Using a High Voltage Pulse Technology
By K. Bru, D. B. Parvaz
"Electric pulse fragmentation (EPF) is an innovative technology that uses high-voltage pulsed power (HVPP) for the selective comminution of the treated material. Highly energetic electrical pulses are
Jan 1, 2018
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Cleaning Flotation And Regrinding Circuits Characterization
By J. Yianatos
The cleaning circuit operation and its effect on the plant metallurgical performance, was characterized at Los Pelambres concentrator, Chile. Experimental data from columns, scavenger and regrinding s
Sep 1, 2012
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Effect of Pretreatment Technology on Preparation of a-Calcium Sulfate Hemihydrate from Phosphogypsum
By L. J. Li, Q. Zhang, Z. H. Liu, Q. L. Chen
Phosphogypsum (PG) is an industrial waste from the production of phosphate fertilizer. The utilization of PG is restricted by its containing impurities, and the pretreatment is crucial to eliminating
Jan 1, 2018
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Vane feedwell flocculant sparger optimisation trial
By Alex Heath, Andrew Barycki, Baladron. Javier
"Efficient flocculation is important to thickener performance, affecting the overflow clarity, solids settling flux, underflow density and operability. Many factors affect flocculation; from the mater
Jan 1, 2014
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Multiscale CFD Simulation Of Multiphase Process Equipments ? Structure-Dependent Multi-Fluid Modelling (SFM)
The multiphase reactive flow in process equipments, e.g., fluidized beds, involves complex coupling among flow, heat/mass transfer and reaction kinetics over scales ranging from molecules, sub-particl
Sep 1, 2012
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Equilibrium Models for Biosorption in Single and Multi-Metallic Systems: a Case-Study by Using Several Bio-Sorbent Materials
By Francesco Vegliò, Luigi Toro, Francesca Beolchini, Francesca Pagnanelli, Stefano Ubaldini
"Biosorption is an innovative technology used to remove heavy metals from aqueous solutions from mining waters and other industrial wastes. A wider application of this alternative process is strictly
Jan 1, 2003
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Electrochemistry of Pyrite Flotation: Evaluation of Length of Hydrophobic Interactions between Mineral and Air Bubble from the Induction Time Measurement
By V. E. Vigdergauz
The work presented shows results of electrochemical study of pyrite hydrophobicity evaluated by air bubble induction time (IT) measurements. On the basis of measured IT?s an average thickness of the t
Jan 1, 2014