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  • SAIMM
    Isothermal titration calorimetry and density functional theory comparison study of xanthate, dithiophosphate and dithiocarbamate adsorption on pyrite surfaces M.G. Mulaudzi, J Taguta, B. McFadzean, and P.E. Ngoepe

    By J Taguta, B. McFadzean, P. E. Ngoepe, M. G. Mulaudzi

    Computational modelling methods and isothermal titration calorimetry (ITC) were employed to investigate the interaction of a pyrite surface with thiol collectors. Modelling work was conducted in the p

    Jan 1, 2020

  • SAIMM
    Increased liberation and flotation performance of bulk copper flotation concentrate following its regrinding in a stirred media mill, A. Stefanov, K. Grossman, V. Stoilov, A. Angelov, U. Peuker, and S. Gaydardzhiev

    By A. Angelov, U. Peukerd, S. Gaydardzhieve, A. Stefanov, K. Grossman, V. Stoilov

    Flotation concentrate originating from the Asarel-Medet porphyry copper mining and processing complex in Bulgaria has been subjected to regrinding using a Ro-Star mill; the effects of which on the dow

    Jan 1, 2020

  • SAIMM
    Applications of integrated novel gold deportment technique for complex refractory and copper gold ores, A. Chattopadhyay, B.K. Gorain, S. Dimov, and B. Hart

    By B. Hart, B. K. Gorain, A. Chattopadhyay, S. Dimovc

    This paper presents a detailed and systematic approach to metallurgy diagnostics using an integrated novel gold deportment technique for complex copper-gold and refractory gold ore bodies. This uantit

    Jan 1, 2020

  • SAIMM
    Analysis of breakage behavior of inertia cone crusher with changes in feeding and operating conditions, X. Wang, T. Song, X.O. Xia, X.J. Luo, and B. Chen

    By T. Song, X. Wang, X. O. Xia, X. J. Luo, B. Chen

    Interparticle breakage is the main crushing mode of an inertia cone crusher according to its working principle and feeding condition. In this paper the breakage behaviour of an inertia cone crusher is

    Jan 1, 2020

  • SAIMM
    Multiple ore types can result in multiple processing plants, A.J.H. Newell and K.Doherty

    By A. J. H. Newell, K. Doherty

    A copper-gold project has required a number of trade-off studies underpinned by test work to settle on pragmatic flowsheets and throughputs to support a pre-feasibility study that provides a compellin

    Jan 1, 2020

  • SAIMM
    Effect of NaHS activation on the floatability of copper sulfide minerals, H. Matsuoka, K. Mitsuhashi, M. Kawata, T. Kato, and C. Tokoro

    By H. Matsuoka, M. Kawata, K. Mitsuhashi, C. Tokoro, T. Kato

    Copper sulfide minerals generally have high floatability, but their floatability decreases when surfaces are oxidised under some conditions. Sodium hydrosulfide, NaHS, is known both as an activator an

    Jan 1, 2020

  • SAIMM
    Suitability of froth flotation in comparison to spiral washer for an existing coking coal washery – a case study for its improvement in respect to yield% at desired quality, S. Chaudhuri, U.S. Chattopadyay, S.C. Maji, and T. Gouri Charan

    By S. C. Maji, U. S. Chattopadyay, S. Chaudhuri, T. Gouri Charan

    India is devoid of coking coal resources, which is a vital raw material for coke making. As a result it has to import about 80% coking coal for steel making. Indian National Steel Policy, 2017 has env

    Jan 1, 2020

  • SAIMM
    Thermo-sensitive polymers and modified reagents for flocculation and flotation of Au and Pt in the processing of complex ores, T.N. Matveeva, V.A. Chanturiya, and V.V. Getman

    By V. V. Getman, V. A. Chanturiya, T. N. Matveeva

    Most of the Au and PGM ores in Russia are characterised by a thin mineral impregnation of noble metals in sulfide minerals, and a large variety of mineral forms that lead to high loss of precious meta

    Jan 1, 2020

  • SAIMM
    Preventing solids handling from being the weakest link, T. Holmes and C. Hartford

    By C. Hartford, T. Holmes

    Bulk-solids handling systems are often the most over-looked component and thereby weakest links in a processing plant’s value chain. Since their performance can dictate that of the entire operation, t

    Jan 1, 2020

  • SAIMM
    The adsorption mechanism of 2-(benzylthio)-acetohydroxamic acid to diaspore, Q. Sun, H. Zhong, and S. Wang

    By H. Zhong, S. Wang, Q. Sun

    The flotation performance of 2-(benzylthio)-acetohydroxamic acid (BTHA) to diaspore was first evaluated by micro-flotation tests. The adsorption mechanism was further investigated through adsorption e

    Jan 1, 2020

  • SAIMM
    Use of Cationic Coagulant to Improve Overflow Clarity of the Tailings Thickener at Kamoa Copper Plant

    By P. Kitobo, T. Nduba, D. Mbay, J. B. Vangu, R. Ciband

    The flotation plant tailings at Kamoa Copper Mine concentrator were found to contain a high proportion of extremely fine particles. The potential issues with settling these fine solids were resolved b

    Jan 1, 2023

  • SAIMM
    Resistance spot welding of a thin 0.7 mm EN10130: DC04 material onto a thicker 2.4 mm 817M40 engineering steel

    By R. C. Nkhoma, K. A. Annan, S. Ngomane

    The effects of welding current, electrode force, and welding time in a resistance spot weld were studied to investigate the effectiveness of welded joints between a thin EN10130: DC04 material and a t

    Oct 1, 2021

  • SAIMM
    Author's Reply

    Dr Hanekom I would like to thank Dr Hanekom for a very valuable -contribution; it summarizes careful statistical test work which was an omission from the original paper. Minor manipulative details, t

  • SAIMM
    The optimization journey of the Harmony Gold’s South Uranium Plant operation and the uranium contribution to the gold operation as a by-product, R. Jacobs and R.E.L. Pobe

    By R. Jacobs, R. E. L. Pobe

    The Moab Khotsong Metallurgical Complex comprises a gold recovery circuit (Noligwa Gold Plant) and a uranium recovery circuit (South Uranium Plant). The metallurgical complex employs the reverse leach

    Jan 1, 2020

  • SAIMM
    Molecular interactions between thiol collectors and non-ionic frothers in mixed monolayers at the air-water interface using a regular solution theory approach, D. Pienaar, B. McFadzean, and C. O’Connor

    By D. Pienaar, C. O’Connor, B. McFadzean

    Dithiophosphate (DTP) is classically used as a co-collector in sulphide mineral flotation, where xanthate-DTP mixtures have been shown to synergistically improve mineral flotation performance. Notwith

    Jan 1, 2020

  • SAIMM
    Force measurement using atomic force microscopy (AFM) to investigate the surface chemistry of mineral flotation, M. Tian, W. Hu, L. Xie, X. Cui, W. Sun, Y. Hu, J.W. Drelich, H. Zeng, and Z. Gao

    By J. W. Drelich, H. Zeng, L. Xie, X. Cui, Z. Gao, M. Tian, Y. Hu, W. Hu, W. Sun

    Flotation is a mineral separation technology that uses the surface hydrophobic difference of valuable minerals and their associated gangue minerals to separate them. The flotation collector adsorbs on

    Jan 1, 2020

  • SAIMM
    Factors influencing autonomously generated 3D geophysical spatial models APCOM 2021

    By A. Melkumyan, M. Balamurali, J. Zigman

    Understanding the contribution of geophysical variables is vital for identifying ore indicator regions. Both magnetometry and gamma-rays are used to identify the geophysical signatures of the rocks. D

    Sep 1, 2021

  • SAIMM
    Analysis of pressure drop and hold-up during vertical transport of limestone slurry in lean phase and heterogeneous regime

    By J. K. Pothal, S. Basu, R. Barik, P. K. Senapati, A. Dubey

    The aim of this paper is to study the characteristics of limestone particles (size varies from 4 mm to 20 mm) during its transportation from open cast mines through pipes. The influence of four differ

    Mar 4, 2025

  • SAIMM
    Comparison of the Effect of Particle Size on the Flotation Kinetics of a Low-Rank Coal Using Air Bubbles and Oily Bubbles

    By C. Liu, G. Zhu, Y. Liao

    "The effect of particle size on the flotation kinetics of a low-rank coal was compared using air bubbles and oily bubbles. Five kinetic models were applied to the data from the tests to derive the rel

    Jan 1, 2017

  • SAIMM
    Parametric Estimation of Capital Costs for Establishing a Coal Mine: South Africa Case Study

    By C. Musingwini, M. Mohutsiwa

    "SynopsisCapital cost estimates are important in decisions on whether a project will be approved, mothballed, or abandoned. In South Africa, junior coal miners do not have extensive databases of histo

    Jan 1, 2015