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  • IMPC
    The Effect Of Molecular Structure Of Polymer Dispersants On The Suspension Properties In The Fine Grinding Of Limestone

    By Katja Ohenoja

    Polymer dispersants, also known as grinding aids, are widely used to reduce the viscosity of mineral particle suspensions and to improve energy efficiency during fine grinding. In this study, the effe

    Sep 1, 2012

  • IMPC
    Selective flotation optimization of galena from lead and zinc ore complex (sulphide-oxide)

    By Hossein Zarei, Masoud Kashani, Mehdi Safari

    The feed of flotation unit in Angouran mine, as a part of Iranian Lead and Zinc National Corporation, contains about 34.26% zinc (about 12% Zn sulphide) and 10.14% lead (about 2% Pb sulphide). The gra

    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
    Forest Cover As Input For Facilities Design In Mining Projects In Northern Brazil

    By P. Matias

    The study involved two projects that will produce copper concentrate and may have their operations integrated. Transport by trucks, conveyor belt, and the equipment called RopeCon were evaluated as op

    Sep 1, 2012

  • IMPC
    How big is the lithium market in Brazil?

    By Paulo Braga, Carlos Junior, Silvia França

    "Lithium is the lightest of the metals, with high reactivity and great electrochemical potential. It has a low thermal expansion coefficient and high caloric value, and it forms very light and resista

    Jan 1, 2014

  • IMPC
    The Electrokinetic Properties and Flotation Behavior of Quartz and Feldspar in the Presence of Polymeric Surfactants

    By Montaser S. EL Salmawy, Takahide Wakamatsu, Eishi Kusaka

    "In conventional flotation, fluoride ions selectively would react with the aluminum site on the microcline surface and produce negative charged sites for amine to be adsorbed (Smith, 1976). According

    Jan 1, 2003

  • IMPC
    Sulfide Ore Flotation with Extracellular Polymeric Substances (EPS) as Biological Depressant Reagents (ABSTRACT PAGE)

    By Volker Vogt, Wolfgang Sand, Eberhard Gock

    "For about 20 years, the use of bacteria to control the flotation process for the production of raw material concentrates has been the subject of worldwide scientific and engineering efforts. The obje

    Jan 1, 2003

  • IMPC
    Changing Project Economics by the Application of Ore Sorting Technology

    By Yi Ran Zhang, Nawoong Yoon, Brent Hilscher, Maria Holuszko

    "Ore sorting technology has been rapidly advancing in recent years. Improving expected mill feed grade has a significant benefit to project returns, and can no longer be ignored. When there is an incr

    Jan 1, 2018

  • 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
    Beneficiation Of Low-Grade Turkish Manganese Ore

    By O. Güven

    In recent years, there is an increasing demand on manganese consumption which stems from the important role of manganese in carbon steel production. And the growing need for manganese ores makes the b

    Sep 1, 2012

  • IMPC
    Study on new flotation technology for KIS cheelite ores Australia

    By Nicholas Enraght – Moony, Alvin Johns, Zhonghan Zhang, Zhang Xianhua, T. Choo

    "The tungsten (WO3)-rich ores from King Island Scheelite (KIS) Mine, Australia, containing scheelite(CaWO4) were previously recovered by gravity separation and flotation of fine scheelite (1978-92) wi

    Jan 1, 2014

  • IMPC
    Improving the Grinding Performance through Modelling and Simulation: The Case of Buzwagi Gold Mine (BGM)

    By U. A. Peuker, T. Mütze, F. Shayo, A. Wikedzi

    "Buzwagi Gold Mine (BGM) is operated by Acacia Mining and located in the Lake Victoria Goldfields of central Tanzania. The mine treats a sulphide copper-gold ore to produce gold in form of doré bars a

    Jan 1, 2018

  • IMPC
    Evaluation of the Performance of a Plant- Scale Comminution Circuit via Lab-Scale and Computer-Based Measurements

    By Gökçe Törenli, Okay Tutar

    "Predicting the performance of plant-scale comminution circuits is essential to monitor the energy use and product size distribution, allowing us to control and optimize the whole process. In the ligh

    Jan 1, 2018

  • IMPC
    Improving Profitability, Sustainability and the Overall Operating Efficiency from Mine to Process in Russian Operations

    By I. Yelkin, Erico Tabosa, Alex Jankovic, R. Hayashida, R. Faveere

    "The mining industry faces growing challenges from more complex and lower grade deposits, rising costs, limited energy and water availability, and increasing societal pressure to operate more sustaina

    Jan 1, 2018

  • IMPC
    Design, Modelling and Control of Flotation Equipments

    By Juan B. Yianatos

    "After almost 100 years, since the first commercial application began in Australia, flotation has shown an extraordinary growth and nearly 2 billion tons of ore per year are presently treated by flota

    Jan 1, 2003

  • IMPC
    Design, Modelling and Control of Flotation Equipments ( XXII International Mineral Processing Congress)

    By Juan B. Yianatos

    "After almost 100 years, since the first commercial application began in Australia, flotation has shown an extraordinary growth and nearly 2 billion tons of ore per year are presently treated by flota

    Jan 1, 2003

  • IMPC
    Recent Trends in Base Metal and Precious Metal Processing (XXII International Mineral Processing Congress)

    By Larry A. Cramer

    "Three primary drivers are setting the trend for base and precious metal processing . they are: continued low real base metal prices, environmental concerns, and continued high prices for PGM.s. Low b

    Jan 1, 2003

  • IMPC
    SAG Design Testing Review-Case Studies

    By J. H. Starkey

    SAGDesignTM Testing for grinding mill design was introduced commercially in 2004. Up to January 2008, 18 projects have been completed and 99 samples have been tested using this method. Two papers have

    Jan 1, 2014

  • IMPC
    Spherical Graphite Preparing Using Fine Particle Nature Graphite

    By Yuhe Tang, Jun Zhang, Jianguo Liu

    "The nature high carbon graphite with fine particle size has low commercial value because of its narrow application range. In order to improve its value, this paper has studied the methods for nature

    Jan 1, 2018

  • IMPC
    New Technology Of Potash Ores Flotation Using Modified Alkylamines And Alkylmorfolines

    By S. Titkov

    At present, Russia is engaged in processing, 3new plants of hard-to-process potash ores with increased content (up to 10 - 12%) of insoluble impurities (insoluble residue ? I.R.). This required additi

    Sep 1, 2012