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  • IMPC
    Determination Of Stratification Index Of Typical Indian Iron Ores By Apic Jig

    By G. Venkateswara Rao

    The jigging of ferrous ore to produce higher-grade products has been practiced for many decades. This is due to easy separation, a beneficial trade- off between operating cost and reduced yield relati

    Sep 1, 2012

  • IMPC
    Surface species, roughness and hydrophobicity of enargite under electrochemically-controlled oxidation

    By Chris Plackowski, Bruckard. Warren J., Anh V. Nguyen

    "Enargite is a significant penalty mineral in the copper industry and its separation from many copper sulfides by flotation is difficult. The separation may be crudely achieved using selective oxidati

    Jan 1, 2014

  • IMPC
    Dry Magnetic Separation of Magnetite from Magnetite-Quartz Blends Using Cyclomag Planar Magnetic Separator

    "Wet low intensity magnetic separation has been used for the recovery of magnetite for decades. As high-grade reserves continue to decline, low grade magnetite ores are being targeted for iron product

    Jan 1, 2018

  • IMPC
    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

  • IMPC
    Impact of Cation Substitution (Cd, Co) On the Geometallurgical Response of Sphalerite

    By B. P. von der Heyden, P. Neethling, M. Tadieb, L. Babedi

    The effects of trace element substitutions in sphalerite mineral structure on optimised floatation response have, as yet, not been fully constrained or fully understood. To further this important fiel

    Jan 1, 2018

  • IMPC
    Improving Ball Mills Operations By Applying MPC & Advanced Control Systems At Minera Los Pelambres

    By F. Henríquez

    Traditionally, the implementation of an automated control for a ball mill has been a challenging one. First, it must be capable of processing a variable SAG mill feed while at the same time avoiding t

    Sep 1, 2012

  • IMPC
    Simurec: A Model Library for the Dynamic Simulation of Solid Waste Processing Technology

    By Heiko Schiemann, Christoph Beyer, Thomas Pretz

    "Due to multiple experiences in the field of planning and engineering of processing plants for secondary materials the Chair for Processing and Recycling of Solid Waste Materials decided to develop a

    Jan 1, 2003

  • IMPC
    Quantifying Mineral Liberation by Grade and Surface Exposure Using Xray Micro-Tomography for Flotation Processes

    By S. J. Neethling

    "Liberation is a key driver in all mineral separation processes as it limits the maximum possible grade for a given recovery. In flotation, this is further complicated by the fact that it is surface e

    Jan 1, 2018

  • IMPC
    Column Diameter Effects on Dynamic Froth Stability Measurement

    By B. McFadzean, S. Geldenhuys

    "Dynamic froth stability tests have found widespread application to quantify froth performance. However, little to no attention has been given to scale parameters in the performance of these measureme

    Jan 1, 2018

  • IMPC
    Study on Multi-phase Separation of Production of Liquid Phase Oxidation of Chromite in Sub-molten Salt

    By J. K. Qu

    As one of the key inorganic chemical industries, the chromate chemical industry has spawned extensively public concerns due to the resulted environmental pollution. The cleaner production technology f

    Jan 1, 2014

  • IMPC
    Laser-induced fluorescence imaging: Detection of fluorescent minerals and estimation of abundance

    By Heikki Häkkänen, Tommi Kauppinen, Navid Khajehzadeh

    "There are a variety of methods suitable to analyse elemental and mineralogical contents of rock drill core samples. Current demands are on fast exploration and objective analysis of ore samples. This

    Jan 1, 2014

  • IMPC
    Coalescence of Bubble Pairs in Surfactant Solutions

    By Seher Ata

    This paper is concerned with the coalescence behaviour of two bubbles in dilute solutions of cetyltrimethylammonium bromide, methyl isobutyl carbonil and triton x-100. Two bubbles were produced at the

    Jan 1, 2014

  • IMPC
    Bubble Coalescence Behaviour in Dissolved Air Flotation Froths

    By Stefaan J. R. Simons, Michael T. Spyridopoulos

    In this paper the effect of humic substances (natural surfactants), electrolytes and solid particles on bubble coalescence, and as a consequence on froth stability, has been investigated. We formed tw

    Jan 1, 2003

  • IMPC
    Relationship between Froth Behavior and Operating Parameters of Flotation Column

    By Amir Hajizadeh Omran, Mehdi Irannajad, Sima Mohammadnejad, Fardis Nakhaei

    "This study presents an experimental program performed to investigate the effects of flotation variables including gas flow rate, froth depth, slurry solids percent, frother/collector dosage and pH on

    Jan 1, 2018

  • IMPC
    Microbial Induced Flotation Studies On Sphalerite Ore

    By Ashish Kumar

    High grade ore deposits in the world are fast depleting and the valuables in the low-grade ores are finely disseminated. The feed grade to flotation circuit is also declining. Attainment of suitable g

    Sep 1, 2012

  • IMPC
    A laboratory for engineers training in advanced flotation process control and supervision

    By Luis Bergh, Juan Yianatos, Luis Vinnett

    "Process automation as an engineering discipline is more than control systems since it includes industrial instrumentation, such as sensors, transmitters and actuators, as well as control and supervis

    Jan 1, 2014

  • IMPC
    Study of Ilmenite and Anatase Mechanochemical Reduction and Their Subsequent Leaching

    By M. Kanuchová, J. Briancin, M. Achimovicová

    "Faculty of Mining, Ecology, Process Control and Geotechnology, Technical University, Košice, Slovakia An industrial eccentric vibratory mill was used for direct and short-time mechanochemical reducti

    Jan 1, 2018

  • IMPC
    Effect of Salt Water on the Dynamics of Flocculation of Copper Sulphide Tailings Containing Kaolinite

    By P. Fawell, C. Castillo, C. Ihle

    "The need to reduce fresh water consumption has pushed many Chilean mining companies to utilize seawater obtained from distant locations. At the same time, increasing amounts of fine particles in copp

    Jan 1, 2018

  • IMPC
    A Physico-Chemical Investigation into the Separation of Zircon and Quartz by Flotation

    By Hillary Williams, Ronghao Li, Christopher Marion, Kristian E. Waters, Devin Hundt

    "Zircon is an important mineral for ceramic, foundry, casting, and refractory applications; and it is the worlds primary source for zirconium. Zircon can also contain large and valuable proportions of

    Jan 1, 2018

  • IMPC
    Investigating Reagent-Mineral Interactions by Colloidal Probe Atomic Force Microscopy

    By Bent Babel, Martin Rudolph

    "The characterization of reagent-mineral interactions in flotation systems of finely intergrown ores holds difficult challenges for the applicability of standard techniques like Hallimond tube tests a

    Jan 1, 2018