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  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    "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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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

  • IMPC
    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