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  • IMPC
    Evolution Of Publicly Funded R&D Capability Along The Mineral Value Chain In South Africa

    By L. Simpson

    South African is a repository of significant deposits of a variety of minerals. The Citigroup confirms this assertion with an estimate of in-situ valuation of US$2.5 Trillion. The mining sector plays

    Sep 1, 2012

  • IMPC
    Diagnosing And Controlling Release Of Antimony To The Process Water, Pulp/Water Electrochemistry And Its Effect On Antimony Dissolution

    By H. R. Manouchehri

    The importance of the grinding environment and its effect on sulphide minerals flotation behavior has been known for many years. The grinding environment may play a role in controlling fine and coarse

    Sep 1, 2012

  • IMPC
    Reflections on R&D-led industrial development in establishing a SA Ti metal powder industry

    By Ofra Damm, v du Preez, D. van Vuuren, L. Simpson, H. Chikwanda

    "South Africa is the world?s second largest producer of titanium bearing minerals, but apart from producing titanium mineral concentrate to form TiO2 slag, little further value is added in South Afric

    Jan 1, 2014

  • IMPC
    New Test Method for Investigation of Grindability in Alkaline Media at High Temperature

    By József Faitli, Barnabás Csoke, Károly Solymár, Zoltán Hatvani, Dimitri Papanastassiou

    In most cases, the sizing of dry or wet mills for ore processing is primarily based on the determination of the Bond grindability index, using the Bond-Kjos-Rowland relations. In several cases, grindi

    Jan 1, 2003

  • IMPC
    Quality Dimensions of Mining’s Best Practice Hearing Protection Defined

    By Johan F. W. Kock

    "Hearing loss due to excessive noise exposure is the most prevalent industrial disease. It is ranked on the World Health Organization’s (WHO) priority list for major work related injuries. Uncontrolle

    Jan 1, 2003

  • IMPC
    Innovation Drivers And Opportunities Across The Gold Metallurgy Value Stream

    By N. S. Phala

    Declining gold grades, mineralogical complexity of ore bodies, increasing input costs, more stringent conditions in the licenses to operate, and uncertain gold price dynamics combine to exert signific

    Sep 1, 2012

  • IMPC
    A Super Efficient PCP System for Transporting Minerals and Mine Wastes

    Under the sponsorship of the U.S. Department of Energy, a project was completed in 2005, which studied the use of a special pneumatic capsule pipeline (PCP) system, driven by linear induction motor (L

    Jan 1, 2014

  • IMPC
    Experimental Scale-Up of the Screen Models

    By Harri J. Lehto, Marja I. Oja

    "The purpose of grinding circuits is to produce a particle size distribution that has as much as possible the wanted particle size class. In practise, however, the production of the wanted size class

    Jan 1, 2003

  • IMPC
    The Prediction of Flotation Reagents for Ultra Fine Coal Flotation Using Surface Chemistry Techniques (ABSTRACT PAGE)

    By Susanna G. de Jager, Francis W. Petersen

    "To enable the prediction of reagents suitable for fine coal flotation, it is necessary to develop a methodology applicable to different South African coal types. Statistical confirmation of the appli

    Jan 1, 2003

  • IMPC
    Sustainable practices in water reuse in processing of ornamental stones

    By Bruno Miotto, Rômulo Faria, Juliano Tessinari

    Water has become a scarce resource in quality. Companies in the ornamental stones sector use water intensively in their processes. Given the current situation, it is imperative to rationalize this fea

    Jan 1, 2014

  • IMPC
    Influence of the Addition of Sr on the Aspect Ratio of Aragonite in Ca(OH)2-CO2-H2O System

    By Seoul National University, Ki-Ho Kim, Jong-Pyo Kim, Sung-Min Joo, Hee-Chan Cho, Hyung-Seok Kim

    Aragonite was synthesized in addition of Mg2+ ion and SrCO3 seed by carbonation process, and the best condition and mechanism of the synthesis was studied by analysis of continuous pH change, ICP, XRD

    Jan 1, 2003

  • IMPC
    Using DEM to Model Ore Breakage within a Pilot Scale Sag Mill

    By Rob D. Morrision, Paul W. Cleary

    "The best accepted method for design of autogenous and semi-autogenous mills is to carry out pilot scale test work using a 1.8 m diameter by 0.6 m long pilot scale test mill. The load in such a mill t

    Jan 1, 2003

  • IMPC
    Recycling and Reutilization of Cast Foundry Wastes

    By S. Fiore, M. C. Zanetti, C. Clerici

    The processes and fluxes of a cast iron foundry plant located in the North of Italy were analyzed in order to determine the amount and kind of wastes produced from the different activities. The main f

    Jan 1, 2003

  • IMPC
    Gold Leaching by Thiosulfate Solution and Recovery

    By Atsushi Shibayama, Toyohisa Fujita, Wan-Tai Yen, Ke-jun Liu

    "A gold has been leached with ammonium thiosulfate solution and several leaching conditions have been studied. The leached solution has been recovered by solvent extraction and the optimum conditions

    Jan 1, 2003

  • IMPC
    Requirements for the Effective Simulation of the Flotation Process (ABSTRACT PAGE)

    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
    Improving Milling Circuits through Aggressive Approach to Cyclone and Overall Circuit Operation (ABSTRACT PAGE)

    By Patrick A. Turner, Timothy J. Olson, Abraham J. Schutte, Roman van Ommen

    "The use of classifying devices in grinding circuits dates back to the early 1900’s when classifiers were installed to close ball mills. The search for ways to further improve grinding circuits led to

    Jan 1, 2003

  • IMPC
    The Application of Life Cycle Assessment to Mining and Minerals

    By Mary Stewart, Jim G. Petrie, Geoff Brent

    "Life Cycle Assessment (LCA) is gaining increasing acceptance as a decision-support tool by which to evaluate the environmental performance of a product, process or service. This is evidenced by its i

    Jan 1, 2003

  • IMPC
    A Molecular Modeling Study of Oleate Monolayers Adsorbed at Calcium Mineral Surfaces

    By Pradip, Beena Rai

    A molecular modeling study was carried out on an adsorbed oleate monolayer on the surfaces of three calcium minerals, fluorite, calcite and fluorapatite using Universal Force Field (UFF) potentials. T

    Jan 1, 2003

  • IMPC
    An Effective Global Network for Minerals Education (ABSTRACT PAGE)

    By Dominic Howarth, Diana Drinkwater, Don McKee

    At a time when the mining and minerals industry across the world is undergoing unprecedented change, the very fabric of the tertiary education system which is the principal source of trained professio

    Jan 1, 2003

  • IMPC
    Beneficiation Of Graphite Deposits Of Arunachal Pradesh By Gravity Separation Method

    By S. C. Borah

    Graphite, a mineral form of pure carbon, is one of the most versatile minerals in industry, because of its varying physical properties and characteristics. The mineral occurs naturally in the form of

    Sep 1, 2012