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  • SAIMM
    Predicting standard threshold shifts for occupational hearing loss among miners at a large-scale platinum minen in South Africa

    By L. Ntlhakana, K. Khoza-Shangase, G. Nelson, I. Maposa

    Occupational noise-induced hearing loss (ONIHL) is associated with various risk factors in South African mines. We investigated the association between standard threshold shifts (STSs) and exposure to

    Aug 1, 2021

  • SAIMM
    Review of machine learning-based Mineral Resource estimation

    By M. A. Mahboob, T. Celik, B. Genc

    Mineral Resources estimation plays a crucial role in the profitability of the future of mining operations. The conventional geostatistical methods used for grade estimation require expertise, understa

    Nov 30, 2022

  • SAIMM
    Advanced integrated comminution and classification with eHPCC™, L.D. Roper, V. Borissenko, and M.J. Daniel

    By V. Borissenkob, L. D. Ropera, M. J. Danielc

    Eccentric High Pressure Centrifugal Comminution (eHPCC) is a novel comminution device that provides a single step to achieve a desired target grind size. The mechanisms within the unit mirror particle

    Jan 1, 2020

  • SAIMM
    Research and application of new external magnet separation technology for pre-concentration of coarse particles of composite iron ore, H. Shang, Z. Shen, Y. Liu, L. Cheng, and Y. Li

    By L. Cheng, Y. Liu, Z. Shen, H. Shang, Y. Li

    The pre-concentration process of magnetic coarse particles can discharge waste rock or liberated gangue before milling, which is an effective means to reduce cost and increase the efficiency of the co

    Jan 1, 2020

  • SAIMM
    The Avatar Syndrome: Mining And Communities ? Synopsis

    By A. Mitchell

    On 25 August 2011, Andrew Mitchell, Lucas Moalusi, and Matthew van der Want of Bell Dewar hosted a presentation on Mining and Communities in Mooinooi, in the North-West Province. The conference was at

    Jan 1, 2012

  • SAIMM
    A pragmatical physics-based model for predicting ladle lifetime

    By S. T. Johansen, B. T. Løvfall, T. Rodriguez Duran

    In this paper we develop a physics-based model for lining erosion in steel ladles. The model predicts the temperature evolution in the liquid slag, steel, refractory bricks, and outer steel shell of t

    Apr 16, 2024

  • SAIMM
    The Influence Of N On Hot Ductility Of V-, Nb-,And Nb-Ti- Containing Steels Using Improved Thermal Simulation Of Continuous Casting ? Synopsis

    By K. M. Banks

    The hot ductility of in situ melted tensile specimens of micro-alloyed steels having C contents in the range 0.12?0.17% (mass %) have been examined over the 700?1000°C temperature range. An improved t

    Jan 1, 2011

  • SAIMM
    A Perspective On Underground Support Technologies In Southern African Platinum Mines To Reduce Safety Risks And Enhance Productivity

    Falls of ground (FOG) still account for around 35 per cent of all fatalities in underground southern African mines. To help reduce FOG, appropriate support technology needs to be implemented, and

    Jan 1, 2012

  • SAIMM
    Probability of failure and factor of safety in the design of interramp angles in a large open iron ore mine

    By A. F. Silva, R. Dockendorff, J. M. Girao Sotomayor, V. F. Navarro Torres, C. Castro

    This paper shows the importance of performing probabilistic analyses in open pits, especially for mine planning, which can lead to more efficient ore extraction and meeting the acceptability criteria

    Jul 2, 2022

  • SAIMM
    Estimation of bubble size distributions in flotation froths by use of dense convolutional neural networks, Y. Fu and C. Aldrich

    By Y. Fu, C. Aldrich

    This study investigates the use of dense convolutional neural networks to estimate bubble size distributions in flotation froths. 20 videographically captured images of froths from an industrial plati

    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
    Application of a polymer depressant in reducing chalcopyrite and galena impurities in molybdenum concentrate, L. Liang, Z. Xingrong, H. Yangjia, Z. Yangge, H. Long, C. Yijun, and L. Jiongtian

    By Z. Xingrong, L. Jiongtian, Z. Yangge, C. Yijun, L. Liang, H. Yangjia, H. Long

    In this present research, a polymer poly (acrylamide-allyl thiourea) (PAM-ATU) with an average molecular weight 1.66 × 104 g/mol was used as a depressant in the flotation separation of molybdenite fro

    Jan 1, 2020

  • SAIMM
    Opportunities for the application of Augmented Reality in mining and minerals processing, G. Asbjörnsson, M. Getz, M. Evertsson, E. Clausen

    By M. Getz, G. Asbjörnsson, M. Evertsson, E. Clausen

    The mining and minerals processing industry is gradually being digitalised to improve efficiency and reduce waste. One aspect of this transition is to ensure that relevant process-data in sufficient q

    Jan 1, 2020

  • SAIMM
    The Use of Fuzzy-Weighted Binary Integer Goal Programming to Select the Optimum Site for a Central Processing Plant

    By E. Bakhtavar, R. Mikaeil, D. Khademi

    "Fuzzy-weighted integer goal programming has been developed and used to select the most suitable site to construct a central processing plant for several adjacent small-scale dimension stone quarries,

    Jan 1, 2017

  • SAIMM
    Analysis of the Effect of Ducted Fan System Variables on Ventilation in an Empty Heading Using CFD

    By T. Feroze, B. Genc

    "The effect of some of the system variables in forcing and exhausting ducted fan systems on ventilation in an empty heading was investigated using computational fluid dynamics(CFD) and comparative ana

    Jan 1, 2017

  • SAIMM
    PlatinumII/IV And RhodiumIII Chemistry Viewed Through New Eyes: What New Secrets Can 195Pt And 103Rh NMR Spectroscopy Reveal About Speciation As Relevant To Refining Solutions?

    By K. R. Koch

    Although some of the platinum(II/IV) and rhodium(III) chemistry is considered ?old? and well-known, the application of modern multinuclear NMR spectroscopic methods to this chemistry in solution revea

    Jan 1, 2012

  • SAIMM
    Process And Asset Monitoring At A PGM Concentrator For UG2 Concentrate

    Advanced process and equipment analytics have been around for a while. However, with accessible IT infrastructure and site maturity, it is possible to analyse, monitor, and control processing plants a

    Jan 1, 2012

  • SAIMM
    Transferring Sampling Errors Into Geostatistical Modelling - Synopsis

    By M. Cuba

    Geostatistical modelling aims at providing unbiased estimates of the grades of elements of economic interest in mining operations, and assessing the associated uncertainty in these resources and reser

    Jan 1, 2012

  • SAIMM
    The application of Baleen Filter microscreening technology at BECSA?s South Export Plant

    By S. Tshikhudo

    This paper outlines an investigation into the recovery of saleable fractions of coal from ?as-arising? South Export Plant effluent streams, using Baleen microscreening technology. South Export Plant,

    Jan 1, 2014

  • SAIMM
    Effect of silica concentration on degree of sintering of chromite-silica ladle well filler sand based on South African raw materials

    By M. B. Shongwe, G. Freemantle, M. Botha, S. Brill, J. D. Steenkamp

    During steelmaking, one important factor for production efficiency is the free opening of the ladle nozzle during continuous casting. Free opening occurs when the well filler sand and the steel flow f

    Feb 2, 2022