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  • IMPC
    Modification of Structural – Chemical and Technological Properties of Rare – Metal Minerals under the Influence of High – Power Electromanetic Pulses

    By E. V. Koporulina, I. Zh. Bunin, M. V. Ryazantseva

    "We studied the mechanism of structural and chemical transformations of columbite, tantalite, zircon and feldspar surface during the treatment by high – power electromagnetic pulses (HPEMP) using the

    Jan 1, 2018

  • IMPC
    The Effect of Impact Breakage on the Separation Efficiency

    By A. A. Sirkeci

    In the scope of this investigation comparison between impact breakage and compression breakage were carried out for the separation efficiency of minerals using a chromite ore sample. The ore sample wa

    Jan 1, 2014

  • IMPC
    Flotation in Highly Concentrated Electrolyte Solutions/Seawater

    By S. Castro, L. Gutierrez

    "Mining operations are often located in remote arid environments with limited access to fresh water. Shortage of fresh water in such cases makes it necessary to use seawater in mineral processing plan

    Jan 1, 2018

  • IMPC
    Recovery of REE-bearing minerals from a granite ore by dry magnetic separation and WHIMS-settling methods

    By Jacqueline Satur, Yoshiaki Kon, Buenaventurada Calabia, Xiao Sheng Yang, Arvo Naumanen, Kenzo Sanematsu, Sayaka Morita, Tetsuichi Takagi

    Granite ores are composed of silicate minerals and a variety of valuable REE (rare earth elements)-bearing minerals, however the processing technique to recover these valuable minerals is not yet deve

    Jan 1, 2014

  • IMPC
    Chalcopyrite (CuFeS2) Leaching: the Rate Determining Solution Species Under Stirred Reactor and Column Leach Conditions at pH 1

    The effect of the acid anion on chalcopyrite (CuFeS2) leaching has been examined, under care-fully controlled conditions, in a range of acids in stirred reactors and columns at pH 1. Solution speciati

    Jan 1, 2014

  • IMPC
    The Practical Research on Recovery of the Manganese from Flotation Tailings in Nanjing Yinmao Lead-zinc Mine

    By F. H. Wang

    The Yinmao Lead-Zinc Mine Co. Ltd. has got 50 years of mining history. In recent years, the manganese grade in the flotation tailings has been continuously increasing. In order to make fuller use of t

    Jan 1, 2014

  • IMPC
    Optimization of a Compound Spiral for Cleaning High Sulfur Fine and Ultrafine Coal

    By B. J. Zhang

    Conventional spirals are capable of providing excellent clean coal recovery, although at a relatively high ash content. Compound spirals, which provide two stages of spiral cleaning in a single taller

    Jan 1, 2014

  • IMPC
    On site automated mineralogical analysis at the Mount Polley porphyry copper mine, Canada

    By Graeme Lamson, Rene Dobbe, Merle Kalstrom, Janice Baron, Robert Thorpe, Chris Martin, Snezana Bajic, Amanda Palko

    "This paper presents early results from a case study at the Mount Polley porphyry copper mine in British Columbia, Canada. Daily mineralogical data was acquired and reconciled with daily plant assay a

    Jan 1, 2014

  • IMPC
    Thiosulphate Leaching of Gold/Silver from a Copper-Bearing Pyritic Gold Concentrate

    By O. Celep, H. Deveci, Ersin Y. Yazici, F. Ahlatci

    "There are increasingly stricter environmental regulations imposed for use of cyanide leaching for the extraction of gold from ores. Alternative lixiviants to cyanide, preferably with low toxicity, ha

    Jan 1, 2018

  • IMPC
    The Magnetizing Roasting of Pyrite Bearing Concentrates

    By V. A. Luganov

    The processing of pyrite concentrates may be accomplished with a preliminary enrichment due to withdrawal of iron sulfides from initial concentrate. The withdrawal of iron sulfides is possible with th

    Jan 1, 2014

  • IMPC
    Bioremediation of Acid Mine Water Using Rice Husk and Tree Bark

    By Evvie Chockalingam

    Acid mine drainage (AMD) is a perennial problem particularly in abandoned mines, occurring due to the oxidation of sulphidic mine wastes. AMD is usually characterized by high concentration of dissolve

    Jan 1, 2014

  • IMPC
    Investigating Simultaneous Recovery of Metals and Acid from Pickling Acid Circulation

    By J. Lindström, J. Hamuyuni, M. Lundström, J. Aromaa

    "The rising demand for metals today, coupled with the scarcity of primary sources for raw materials threatens both technological advancements and industrial manufacturing. In order to meet the demand,

    Jan 1, 2018

  • IMPC
    Application and Development of Depressant BK501 in the Desilication from Bauxite by Reverse Floatation

    By Y. H. Zhang

    Mechanism of BK501 in desiliconization from bauxite was studied by use of flotation test, EDS, ?-potential, FTIR. Results of flotation show that almost all of diaspore can be depressed when BK501 is p

    Jan 1, 2014

  • IMPC
    Development of a Cost- effective Technology of Valuables Recovery from Oxidised Lead Ore

    By V. Beskrovnaya

    Oxidised lead-bearing ores of one of the deposits of Russian Federation represent complex raw materials. Its main components are lead (3.2%~4.7%), silver (100~300 g/t) and zinc (0.7%~0.8%). The sample

    Jan 1, 2014

  • IMPC
    Fundamental Properties of Flotation Frothers (Proceedings of the 22nd International Mineral Processing Congress (IMPC))

    By Janusz S. Laskowski

    The flotation-related properties of hexanol derivatives and mono-alkyl ethers of propylene oxide, which include many important flotation frothers (e.g. MIBC, DF-200, DF-250, DF-1012, etc.) have been s

    Jan 1, 2003

  • IMPC
    Self-similarity and energy-size relationship of coarse particles comminuted in single particle mode

    By Thomas Mütze, Michael Klichowicz, Mathis Reichert, Holger Lieberwirth

    "Self-similarity is proofed to be a common feature when brittle material is comminuted, either in particle bed or single particle mode. Appropriate test work is well documented for particle sizes less

    Jan 1, 2014

  • IMPC
    Effect of Ball Size Classification on Specific Breakage Rates of Particles in Full-scale Cement Grinding Tube Mills

    By Ö. Genç

    In this paper, full-scale mill data collected from three different circuit configurations in cement plants demonstrated the size reduction performance of dry ball mills in relation with the ball size

    Jan 1, 2014

  • IMPC
    Optimizing Knelson Concentrator Performance in Gravity Gold Circuits

    By G. K. Nimal Subasinghe

    The performance of Knelson Concentrators (KC) used in gravity gold circuits often rely on manufacturers recommendations for selecting operating parameters such as, fluidising water flow rate and cycle

    Jan 1, 2014

  • IMPC
    Mathematical Modelling of Attraction Forces of Metal Magnetic Liners in Ball Mills

    By J. Zou

    With the increasing applications of the Chinese metal magnetic liners, the requirement for their technical specifications has become stricter and stricter. It is necessary to deeply analyse the metal

    Jan 1, 2014

  • IMPC
    Investigation on Mineral Processing Technology of Ilmenite in Fengning, Hebei Province

    By Y. F. Li

    Fengning ilmenite ore is a magnetic deposit in gabbro containing high phosphorus and low titanium, the main minerals in which are ilmenite, magnetite and apatite. The dissemination size of magnetite i

    Jan 1, 2014