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  • IMPC
    New Approach to Reagent Development and Applications in the Processing of Base and Precious Metals Ores

    By D. R. Nagaraj

    The traditional (popular) approach to reagent development and optimization, which has become entrenched in both research and practice for many decades, is highly reductionistic, incremental and costly

    Jan 1, 2014

  • IMPC
    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

  • IMPC
    Study Of The Behavior Of Grinding Medium Composed Of Tetra Ball PEBS (TBP) In Drum Mill

    By ?. Kostadinov

    Theoretical study of the behavior of grinding medium presented by TBP (tetraballpebs) was conducted by computer modeling of the position of grinding medium at different speeds and different drum fill

    Sep 1, 2012

  • IMPC
    Spontaneous Bubble Nucleation on Bitumen

    By Z. A. Zhou

    In Canadian oil sands processing, flotation is used to recover liberated bitumen droplets from oil sands slurries. Similar to conventional mineral flotation practice, a fundamental limitation of recov

    Jan 1, 2014

  • IMPC
    Contact Electrification and Electrostatic Separation of Ash- forming Minerals from High Ash Non-coking Coal Using Novel Fluidised Bed Tribo-charging System

    By R. K. Dwari

    The electrostatic beneficiation of coal is based on tribocharging characteristics of ash forming minerals and coal particles. The tribocharging of quartz, pyrite and coal particles contacted with vari

    Jan 1, 2014

  • IMPC
    Flocculation Studies On Indian Non-Coking Coal

    With the ambitious target of adding another 2,00,000 MW of power generation by the year 2017 in India the demand for coal is bound to grow. The non-coking coal deposits in India are characterized as h

    Sep 1, 2012

  • IMPC
    Development Of A Flotation Simulator Based On A First Principles Model

    In flotation, particulate materials are separated by controlling the hydrophobicity of the particles using appropriate collectors. In this regard, contact angle (?) is the most important process varia

    Sep 1, 2012

  • IMPC
    Dependence of Unit Cost of Gold-bearing Gravel Processing on Energy Consumption

    By A. V. Neretin

    This paper is a continuation and extention of the previous paper on energy-efficient placer mining methods which was presented in 2007 at the World Gold Conference in Cairns, Australia (Nere-tin, 2007

    Jan 1, 2014

  • IMPC
    Recent Investigations Of Nickel Laterite Agglomeration For Enhanced Heap Leaching

    By Jonas Addai-Mensah

    Despite the fact that nickel (Ni) laterites accounts for about 60 % of the world?s nickel mineralization, commercial processing of complex, low grade Ni laterite ores by conventional beneficiation (e.

    Sep 1, 2012

  • IMPC
    Kinetics And Efficacy Of Froth Flotation For The Recovery Of Metal Values From Pulverized Printed Circuit Boards

    By A. Vidyadhar

    Printed circuit boards (PCBs) constitute a majorpart of electrical and electronic equipment containing valuable metals such as Cu, Ni, Au, Ag, Pd, Fe, Sn, Pb, etc. The concentration of base and precio

    Sep 1, 2012

  • IMPC
    Thermodynamics of Platinum in Melter Furnace Mattes (e4686885-9d10-4c80-ad69-5cc04ce2f491)

    By Steven Wright, Sharif Jahanshahi, Shouyi Sun

    "While there is a large industry based on recovering platinum group metals (PGM) from complex sulphide ores containing Cu and Ni, there is little information on the thermodynamics of the matte phase f

    Jan 1, 2003

  • IMPC
    Study on Flotation Separation of Galena, Sphalerite with Pyrrhotite in Ethanoic Acid + SodiumAcetate System

    By Y. S. Song

    Flotation separation of galena, sphalerite with pyrrhotite in ethanoic acid + sodium acetate sys-tem was studied in this paper. The flotation tests show that galena and sphalerite can float but pyr-rh

    Jan 1, 2014

  • IMPC
    New insights into comparison of breakage testing techniques

    By Fatemeh Saeidi, Malcolm S. Powell, Mohsen Yahyaei

    In order to deal with the problems of existing comminution models a new approach towards the development of mechanistic models has been made so as to better understand the physics of milling processes

    Jan 1, 2014

  • IMPC
    Effect of Iron Ore Particle Size and Shape on Green Pellet Quality

    By V. Sheikhzadeh, M. Saghaeian, R. Hejazi, A. Abazarpoor

    Green pellet strength including drop number and green compression is highly depended on particles size and shape. The used grinding method, ball mill or high pressure grinding roll (HPGR), directly va

    Jan 1, 2018

  • IMPC
    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

  • IMPC
    Improved PGM-Chromite Selectivity in a Pneumo-Mechanical Flotation Cell

    By V. Ross

    "The Upper Group 2 (UG2) reef in the Bushveld Complex in South Africa hosts an estimated 40% of the world’s Platinum Group Metal (PGM) resources. The processing of this ore via flotation poses two par

    Jan 1, 2018

  • IMPC
    The Creative Technologies Of SLon Magnetic Separators In Beneficiating Weakly Magnetic Minerals

    By Xiong Dahe

    In recent years many creative technologies are applied to SLon vertical ring and pulsating high gradient magnetic separators. SLon-2500 and SLon-3000 vertical ring and pulsating high gradient magnetic

    Sep 1, 2012

  • IMPC
    The Feasibility of The Richardson-Zaki Model for Fluidisation Under Conditions of Increased Gravity

    By Shailin Lalloo, Allan B. Nesbitt

    A fluidised bed was exposed to high gravities by placing it in a centrifuge. The bed expansions were measured and compared with the bed expansions predicted by the Richardson-Zaki model (1954). The Ri

    Jan 1, 2003

  • IMPC
    Expansion from 18 Mtons to 36 Mtons at the Aitik Concentrator

    By N. J. Bolin

    The Aitik copper mine is located in the north of Sweden and the concentrator at the mine started its operation in 1968 with a capacity of 2 Mton ore per year. Since then the operation has expanded sev

    Jan 1, 2014

  • IMPC
    Determination of Optimum Operating Conditions for Washing Mixed Coals by Using Spreadsheet Optimization Method

    By S. Mohanta

    In composite washeries optimization of operating parameters to achieve maximum clean coal yield at the desired clean coal ash level is a major problem. This problem is more acute in countries like Ind

    Jan 1, 2014