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  • IMPC
    Numerical simulation of water-air flow pattern in a Tri-Flo™ cylindrical separator

    By Marzio Piller, Girolamo Belardi, Jure Mencinger, Paolo Bozano, Gianni Schena

    "The hydrodynamics of the Tri-Flo™, a two stage cylindrical cyclone used in dense media separation, is studied using Computational Fluid Dynamics. The flow field is simulated with an Euler-Euler Volum

    Jan 1, 2014

  • IMPC
    Understanding Flotation by Visualization

    By Z. H. Xu

    Flotation as a versatile multiphase separation technology has been practiced for more than 100 years in coal and mineral processing. Although effective over a wide particle size range, flotation for m

    Jan 1, 2014

  • IMPC
    Three-dimensional Movement of Particles inside the Mineral Density Separator

    By N. Naudé

    The theory on particles displacement subjected to upwards and settling movements in water, using a water pulse, is described in literature, but very little experimental data is available to verify the

    Jan 1, 2014

  • IMPC
    Recent Developments In Dry Coal Sorting With X-Ray Transmission

    By C. Kleine

    Coal sorting with an x-ray-transmission (XRT) sensor has experienced a lot of development since first described by Jekinson et.al. in 1974. Powerful computers and increasingly sensitive X-ray scintill

    Sep 1, 2012

  • IMPC
    Investigation on Pre-Concentration Efficiency of a Low Grade Hematite Ore Using Magnetic Separation

    By P. Gao, J. W. Yu

    "Pre-concentration is a necessary step for upgrading low-grade iron ores, and its aim is to remove gangue minerals for improving efficiency of downstream separation process. The most important pre-con

    Jan 1, 2018

  • IMPC
    Methodology For Coupled CFD-DEM Modelling Of Particulate Suspension Rheology

    By Smuts. E. M.

    This paper describes a methodology used to develop a numerical model for the study of particulate suspension rheology. Initially, Computational Fluid Dynamics (CFD) models of different rheometer geome

    Sep 1, 2012

  • IMPC
    Evaluation of Lignin Sulfonate as a Depressant in Lead and Zinc Flotation Plant

    By M. Paymardi, A. Foroutan, T. P. Oladele, M. Abbaszadeh

    "Reducing the amount of zinc and iron in lead concentrate is one of the important aspects of processing in lead and zinc flotation plants which results in improvement of lead concentrate quality and p

    Jan 1, 2018

  • IMPC
    EAFD Treatment Joining Pyro and Hydro Metallurgy

    By E. Guerrini, M. Maccagni, J. Nielsen

    "The solution for the treatment of the EAFD has not yet been fully achieved. Some of this dust has still not found an appropriate final destination. Large consortium treatment plants are quite expensi

    Jan 1, 2018

  • IMPC
    EAFD Treatment Joining Pyro and Hydro Metallurgy (e2bb77bb-1450-4fcb-9193-3cbc033e6f3e)

    By E. Guerrini, M. Maccagni, J. Nielsen

    "The solution for the treatment of the EAFD has not yet been fully achieved. Some of this dust has still not found an appropriate final destination. Large consortium treatment plants are quite expensi

    Jan 1, 2018

  • IMPC
    Wet And Dry Grinding Methods Effect On The Flotation Of Taknar Cu-Zn Sulphide Ore Using A Mixed Collector

    There are interactions between different minerals from the same ore, minerals and grinding media, and the electrochemical conditions present in the system. Grinding in steel rod and ball mills is a co

    Sep 1, 2012

  • IMPC
    Research of Slurry Preparation before Selective Flotation for Sulphide-Polymetallic Ores

    By Sergey Romanenko, Tatyana Aleksandrova, Karen Arustamian

    "Current status of question about grinding stage effect to electrochemistry parameters of operation preparation slurry before intermediate selective flotation was assessed in the present scientific wo

    Jan 1, 2018

  • IMPC
    Improvement of Sampling for Moisture Content Analysis in Iron Ore Pellet Feed – Variographic Characterisation and On-Line IR-Analysis

    By K-O. Mickelsson, S. Töyrä, H. Esbensen

    Accurate information of physical, chemical and metallurgical quality characteristics such as moisture content, iron grade and particle size are crucial for successful process control and for producing

    Jan 1, 2018

  • IMPC
    The Role of Thermal Treatment on the Activation of Ilmenite Ores for Leaching

    By W. S. Eu

    Thermal treatment of mineral ores can initiate thermal phase transformations which can affect either their activation or deactivation, subsequently influencing their ability to dissolve in a leaching

    Jan 1, 2014

  • IMPC
    Requirements for the Effective Simulation of the Flotation Process

    By R. L. Pascual, W. J. Whiten

    "The froth flotation process is not well understood. Both flotation models, and the parameters used to describe the stream flows are not well defined. They in fact vary considerably in different appli

    Jan 1, 2003

  • IMPC
    Predicting the Performance of a Batch Vertical Stirred Mill

    By D. B. Mazzinghy, D. C. Rocha, H. B. Miller

    "The use of ball mills for fine grinding is an inefficient process and has contributed to the increasing popularity of vertical stirred grinding mills in the minerals industry. Over the last decade, t

    Jan 1, 2018

  • IMPC
    Investigation of Processing of Pyrometallurgically Pre-Treated Lateritic Nickel Ores

    By Klaus M. Hahn, Hermann Wotruba, Bernd G. Friedrich

    "Due to an increasing demand for nickel and cobalt and the depletion of nickel sulphide deposits worldwide, the production of ferronickel from lateritic nickel ores becomes more significant. About 60

    Jan 1, 2018

  • IMPC
    Improving the Pelletization of Refractory Hematite by High Pressure Grinding Rolls

    In this paper High Pressure Grinding Rolls(HPGR) was utilized to pretreat CVRD southern specular hematite for enhancing the pelletization of the refractory hematite. The process parameters of HPGR, ba

    Jan 1, 2014

  • IMPC
    Enrichment of Lepidolite and Producing Lithium Compounds from Lithium Ore in Central of Vietnam

    By Thi Hien Tran, Huy Hoan Nguyen, Thi Thu Hien-Dinh, Hong Son Nguyen, Duy Anh Dao

    "Lithium discovered in La Vi deposit, Quang Ngai province in the Central of Vietnam was estimated with a reserve of approximately 1.5 million tones of lithium ore, which was characterized by mainly le

    Jan 1, 2018

  • IMPC
    Advanced Process Control Of An Industrial Iron Ore Pellet Induration Process

    By M. V. S. Cavalcante

    The quality of iron ore pellets, represented in terms of parameters such as cold compressive strength (CCS) and Tumble Index (TI), has a strongly influence on the productivity and energy of reduction

    Sep 1, 2012

  • IMPC
    Column Flotation: Theory and Practice

    By Yuliy Rubinstein

    "The paper presents a analysis of the history and the trends of development of flotation apparatus. The laws of their evolution are stated and the place and role of column flotation are indicated. It

    Jan 1, 2018