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  • IMPC
    Possibilities of vermiculite fine waste utilization

    By Irena Grigorova

    "Vermiculite is a naturally occurring mineral compound composed of shiny flakes, resembling mica. Worldwide, vermiculite has been used in various industries since 1920. When heated to a high temperatu

    Jan 1, 2014

  • IMPC
    Bacterial Desulphurization of Coal from Jaworzno Mine

    By Hong Nguen Vu, Pavla Ovcarí, Peter Fecko, Barbara Tora

    The aim of this paper is to evaluate the suitability of a coal sample from the mine Jaworzno (Poland)- locality for bacterial leaching. Laboratory research used a pure bacterial culture of Thiobacillu

    Jan 1, 2003

  • IMPC
    Development of a Material Recycling Process for Carbon and Glass Fibre Reinforced Composites

    By S. Narra, M. Nelles, I. Eickhoff, S. Teitge

    "The aim of the research is to develop a holistic process flow for the recycling of glass fibres from glass reinforced plastics (GRP) and carbon fibres from carbon fibre reinforced plastics (CFRP), wh

    Jan 1, 2018

  • IMPC
    Impact of sea water on grinding and flotation characteristics of a Cu-Mo ore

    By Massimiliano Zanin, William Skinner, Keith Quast

    With the scarcity of fresh potable water on mining sites, particularly those in arid and remote regions, the use of sea water is being contemplated and actually used at a number of mineral concentrato

    Jan 1, 2014

  • IMPC
    The Laws of Froth Products’ Beneficiation in Tapered Chutes

    By E. A. Bekchurina, Yu. P. Morozov

    "This paper presents the results of a study of the concentration of flotation froths in tapered chutes. The tests were conducted on lab and full-scale plants, and the results obtained were mathematica

    Jan 1, 2018

  • IMPC
    The optimization of disk filters of magnetite processing plant at Golgohar Mining and Industrial Company

    By Mojtaba Ghorbannezhad, Abbas Sam, Soroush Arabzadeh

    One of the dewatering methods in mineral processing plant is filtration system. Disk filters are included the porous surface with pressure drop on both sides, Water in the pulp passes through the surf

    Jan 1, 2014

  • IMPC
    The effect of metalliferous grains on electrical comminution of ore

    By Weiran Zuo, Emmy Manlapig, Fengnian Shi

    The effect of metalliferous grains on electrical comminution efficiency was investigated by comparative experiments using natural rocks and synthetic samples. The result indicated that the existence o

    Jan 1, 2014

  • IMPC
    Flotation in highly concentrated electrolyte solutions (f08d4bf1-a77a-4343-a356-397d3ec3ee88)

    By Sergio Castro, Janusz Laskowski

    In the flotation in highly concentrated electrolyte solutions not only ionic strength but also chemical composition, flotation pH and mineral properties play an important role. As a result an improvem

    Jan 1, 2014

  • IMPC
    The Induction Time on Galena and Sphalerite Particles with Different Hydrophobicity Characteristics

    By M. E. Holuszko

    This paper reports the results of induction time measurements carried out on the products of film flotation of galena and sphalerite particles from three different size fractions (38~75µm; 75~150µm; 1

    Jan 1, 2014

  • IMPC
    Conditions for Production of Copper Powder in a Pipe Reactor

    By R. D. van der Weijden, W. F. C. van Wageningen

    "Copper(II) can be recovered or removed from acidic copper sulfate solutions as cuprite or metallic copper powder by reduction with carbohydrates (van der Weijden et al., 2001, 2002). In order to make

    Jan 1, 2003

  • IMPC
    Selective flotation of chalcopyrite and molybdenite by surface oxidation

    By Masanori Mori, Hajime Miki, Osamu Ichikawa, Tsuyoshi Hirajima, Mitsuru Sawada, Keiko Sasaki

    For pretreatment of selective flotation, surface oxidation of chalcopyrite and molybdenite was applied by oxygen plasma then the minerals were washed by solution at pH 9 with oxygen bubbling. Surface

    Jan 1, 2014

  • IMPC
    Thermodynamic Analysis of the Process of Solid-Phase Sintering of Ilmenite Concentrate Deposits "Central"

    By E. V. Bratygin, E. G. Dmitrieva

    The aim of the research was to study the thermodynamic characteristics of high-temperature processing of ilmenite concentrate deposits "Central" in a neutral and oxidizing atmosphere, as well as its i

    Jan 1, 2018

  • IMPC
    The Control of Calcium and Magnesium in a Base Metal Sulphate Leach Solution (60a7c70a-da9d-47c5-9e97-61f048b895cb)

    By M. Pelser, C Aldrich

    "The presence of calcium and magnesium in the hydrometallurgical processing of base metals, results in a number of process difficulties. These problems range from the contamination of the final produc

    Jan 1, 2003

  • IMPC
    Minimising Copper Activation of Iron Sulfide Minerals during Grinding

    High flotation of iron sulfide minerals at high pH values in copper ores is mainly due to the activation of these minerals by copper species dissolved from copper sulfide minerals during grinding. Sev

    Jan 1, 2014

  • IMPC
    Effect of Frother Type on Clay-Rich Froth Behavior

    By Diego Mesa, Willy Kracht

    Frothers may be classified as weak or strong depending on their ability to produce stable froths, which is related to the amount of water that they transfer from the pulp to the froth. They can also h

    Jan 1, 2018

  • IMPC
    Froth Stability and Flotation Performance (7b8a1c74-3cc5-4e7a-aff4-2a34a702138a)

    By Jan J. Cilliers, Nicolas Barbian, Esther Ventura-Medina

    "Froth structure and stability are known to play an important role in determining flotation recovery and selectivity. An industrial sampling campaign was performed to develop a clearer understanding o

    Jan 1, 2003

  • IMPC
    Combustion Modelling of a Rotary Kiln for Hazardous Waste Incineration

    By Markus A. Reuter, Joep Verwoerd, Marc J. A. Pijnenborg, Yongxiang Yang

    "Incineration is a proven disposal technology for all waste materials with heat release potentials, and provides high degree of toxic destruction and control for a broad range of hazardous materials.

    Jan 1, 2003

  • IMPC
    Coalescence of Bubble Pairs in Surfactant Solutions

    By Seher Ata

    This paper is concerned with the coalescence behaviour of two bubbles in dilute solutions of cetyltrimethylammonium bromide, methyl isobutyl carbonil and triton x-100. Two bubbles were produced at the

    Jan 1, 2014

  • IMPC
    Process Water Effects on Mineral-Depressant Adsorption in Sulphide Flotation

    By K. C. Corin, M. S. Manono, J. G. Wiese

    "It has been suggested that hydroxo species, particularly those of calcium, selectively adsorb onto gangue minerals. Such species enhance the depressive action of carboxymethyl cellulose (CMC) onto ga

    Jan 1, 2018

  • IMPC
    Effect of hydrophilic lipophilic balance (HLB) of nonionic surfactants on ultrafine lignite dewatering

    By Behzad Vaziri Hassas, Firat Karakas, Mehmet Celik, Onur Guven

    Since dewatering is a costly process, removal of moisture from relatively fine size lignites is an important industrial problem. As the lignite gets finer, the presence of micropores and relatively lo

    Jan 1, 2014