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  • IMPC
    Flotation rate characterization along rougher flotation banks based on top-of-froth measurement

    By Luis Bergh, Iván Rojas, Juan Yianatos, Luis Vinnett

    "At present, flotation rate characterization follows standard measurements to identify the overall flotation performance looking at the feed, tailings and concentrate in flotation cells or banks. This

    Jan 1, 2014

  • IMPC
    Comparison of effectiveness of working in parallel streams industrial flotation machines

    By Andrzej Luszczkiewicz, Magdalena Duchnowska, Jan Drzymala

    A selected flotation system of beneficiation of the copper ore at KGHM Polska Miedz S.A. has been analyzed in the article. It was found that a proper assessment of upgrading must be based on two eleme

    Jan 1, 2014

  • IMPC
    Innovative approaches for an optimized processing of metallurgical slags

    By Kilian Neubert, Wotruba. Hermann, Lars Weitkämper

    Metallurgical slags are produced in large quantities all around the world as a result of smelting, refining or alloying processes applied to metals, ores and recycling material. The slag phase serves

    Jan 1, 2014

  • IMPC
    Modeling interactions between grinding bodies having different shape during milling

    By Tsvetan Damyanov, Nikolay Hristov, Evgeni Kostadinov, Lubomir Kuzev

    "The process of grinding in drum mills is directly dependent on the dynamic forces occuring in the free movement of the grinding bodies in the volume. The subject of discussion are the potential impac

    Jan 1, 2014

  • IMPC
    A new approach to assessing energy efficiency, grindability and HPGR technology by comminution research

    By Douglas Fuerstenau

    "Comminution not only is the major energy cost in mineral processing but it also can limit the grade of ores that can economically be processed. Rittinger first postulated that the energy for comminut

    Jan 1, 2014

  • IMPC
    Ammoniacal thiosulfate leaching of gold from a refractory ore using a full factorial design

    By Ibrahim Alp, Duygu Dinç, Ersin Yazici, Adularya Energy and Electricity Generation and Mining Inc., Oktay Celep, Haci Deveci

    Thiosulfate leaching as an environmentally benign alternative to cyanide leaching has received particular attention in recent years. Most studies have focused on thiosulfate leaching of free milling o

    Jan 1, 2014

  • IMPC
    Development of advanced methods for examination of Ag mineralogy and flotation losses

    By Rong Fan, Andrea Gerson

    "The small recovery of Ag, often in the order of 50%, by traditional flotation and leaching process strategies is closely related to the complicated and heterogeneous nature of Ag-bearing minerals wit

    Jan 1, 2014

  • IMPC
    Entrainment of Quartz in Flotation Tests with Frothers

    By D. Szyszka

    During passing gas bubbles through mineral suspensions, some mechanical carryover of fine particles to the froth layer always takes place. The entrainment of mineral particles is influenced by many pa

    Jan 1, 2014

  • IMPC
    Mineral Industry Education And Training Trends In North America: Challenges, Opportunities And A Framework For The Future

    This paper discusses current workforce demand projections for mineral processing engineers and emerging trends in mineral processing education. Attempts are made to identify gaps that often result in

    Sep 1, 2012

  • IMPC
    Hybrid Energy Flotation? ? On The Optimization Of Fine And Coarse Particle Kinetics In A Single Row

    By D. Govender

    Theoretical flotation models suggest that there is a positive relationship between bubble-particle collision rates and turbulent kinetic energy dissipation. Fine particle flotation performance is gene

    Sep 1, 2012

  • IMPC
    Structure Modelling and Property Prediction for Mineral Engineering

    By Xiaodong Jia, Richard A. Williams

    "The packing of particles is a fundamental property of a material or system made up of particulates because it underlies many other physical properties of that material or system. Despite being ubiqui

    Jan 1, 2003

  • IMPC
    Utility of DNA isolated from Bacillus circulans for the selective flotation of sphalerite from galena

    By B. Vasanthakumar, H. Ravishankar, S. Subramanian, J. Braun

    The flotation of sphalerite and galena in the presence of intra- and extra-cellular components isolated from Bacillus circulans before and after adaptation to the chosen minerals has been studied. Bas

    Jan 1, 2014

  • 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
    Study on Flotating of Valleriite

    By C. B. Yu

    The ore comprise of chalcopyrite, valleriite, pyrite, pyrrhotite and so on. Serpentine and talc are chief gangues. Copper phase of the tail shows that mostly valleriite be losed in tail, 70% mineral o

    Jan 1, 2014

  • IMPC
    Influence of Energy Pulse Impacts on Physico-Chemical, Structural and Technological Properties of Diamond and Kimberlite Rock-Forming Minerals

    By I. Zh. Bunin, G. K. Khachatryan, N. E. Anashkina

    For optimization of diamond processing technology the influence of nanosecond high voltage pulses on mechanical and technological properties of diamond crystals and kimberlite rock-forming minerals (c

    Jan 1, 2018

  • IMPC
    On Bubble-Particle Detachment Mechanisms in Coarse Particle Flotation

    By S. Mitra1

    "This study aims to investigate coarse particle detachment mechanisms (particle diameter > 150 ?m) utilising both experimental and numerical technique. Two mechanisms were studied – (i) interactions o

    Jan 1, 2018

  • IMPC
    Investigation of flotation rate constant in fine coal flotation process

    By Cheng Gan, Gui Xiahui, Li Shulei, Cao Yijun, Liu Jiongtian, Wu Lun

    Flotation rate constant is an essential parameter in the flotation process. The fine coal sample utilized in this investigation is anthracite from the Shenhuo mine in eastern China. Fine coal flotatio

    Jan 1, 2014

  • IMPC
    Theoretical Description Of A Motion Of A Spherical Bubble In Neighbourhood Of A Falling Particle

    By P. Basarova

    The attachment of bubbles onto a collecting surface is an ubiquitous natural phenomenon, playing a critical role in numerous practical processes. The goal of the project is to broaden the knowledge ab

    Sep 1, 2012

  • IMPC
    Study on the Characterisation and Processing of Iron Ore after Grinding by HPGR

    By I. Silin, H. Wotruba, J. Huben, A. Ognyanova

    "With increasing shortage of raw materials, the beneficiation of ultra-fine ores will play a larger role in the near future. Many established process technologies do not yield satisfactory separation

    Jan 1, 2018

  • IMPC
    The Prediction of Flotation Characteristics of a Disseminated Ore Using Ore Texture Data

    By G. K. Nimal Subasinghe

    The establishment of grind size that optimally liberates the valuable mineral for efficient down-stream processing is of great importance for most mineral processing operations. Reasonably accurate co

    Jan 1, 2014