Search Documents

Sort by

  • AUSIMM
    Reaping the First Fruits – Infrared Spectroscopy: the New Standard Tool in BHP Billiton Iron Ore Exploration

    By M Haest, O Dominguez, D Mittrup

    With the current focus in the mining industry on reducing costs, while simultaneously improving ore quality, infrared spectroscopy is a tool that can potentially assist companies to meet both challeng

    Jul 13, 2015

  • AUSIMM
    Iron Ore Ultrafines Challenges and Opportunities

    By D Tucker, K Harney

    Hatch forecasts that an increasing share of seaborne traded iron ore will be ultrafine, being either concentrate or pellet feed. This provides several challenges for the iron and steel industries, but

    Jul 13, 2015

  • AUSIMM
    Geometallurgy of the South Middleback Ranges Magnetite Deposit – Predicting Plant Performance from the Pit

    By D Gerrard, J Begelhole, J Gerber

    The Iron Magnet deposit has been mined since 2007 when Arrium (then OneSteel) commissioned the magnetite concentrator to supply feed to the pelletising plant in Whyalla. The concentrate quality requir

    Jul 13, 2015

  • AUSIMM
    Effect of Titania on the Sintering Performance of Hematite Iron Ores

    By S Hapugoda, J Manuel, N Ware, A Dehghan-Manshadi

    The effect of titania (TiO2 ) addition on the sintering performance of hematite iron ore has been studied by doping pure TiO2 into a sinter blend. The results of laboratory-scale compact sintering tes

    Jul 13, 2015

  • AUSIMM
    Dependence of Flame Front Speed on Iron Ore Sintering Conditions

    By J Zhao, C E. Loo

    The flame front is a narrow region in the iron ore sintering bed where coke particles combust. The maximum flame front temperature is as high as 1400°C. At high temperatures, the sinter mix compo

    Jul 13, 2015

  • AUSIMM
    Related Genesis for Iron, Manganese and Gold-copper Ores in Western Australia

    By P B. Schwann

    The commonly accepted genetic theories of Pilbara iron ores and Woodie Woodie manganese ores have often presented them as quite unique. This apparent uniqueness is not confined to just iron and mangan

    Jul 13, 2015

  • AUSIMM
    A New Toolkit for Iron Ore Characterisation

    By E R. Ramanaidou, M A. Wells

    Asian steel mills are demanding iron ore with specific chemical, mineralogical, metallurgical and environmental properties to warrant that the ore is of the greatest quality. As a result, a toolkit of

    Jul 13, 2015

  • AUSIMM
    Iron Sinter Process Control Using X-ray Diffraction

    By U König, N Norberg

    Traditionally, quality control of iron sinter has relied on time-consuming wet chemistry. However, the mineralogical composition that defines the physical properties, such as strength or reducibility,

    Jul 13, 2015

  • AUSIMM
    Flexigel™ – A Variable-density Solution

    By D R. Andrew, K T. Morrison, J F. Tiedgen

    Waste blasting in iron ore operations can pose a number of technical challenges, including blasting through variable geology and blasting soft ground in wet conditions. Blast patterns are designed to

    Jul 13, 2015

  • AUSIMM
    Case Study Assessing Alternative Data Collection Techniques and Analysis Methods to Assist with Geotechnical Slope Design

    By C Bellia, A Maldonado, S Strong, H Baxter

    This paper discusses the technical and cost benefits of alternative data collection techniques used to collect lithological information, obtain laboratory testing samples and perform in situ testing.

    Jul 13, 2015

  • AUSIMM
    Project Development and Regulation Red Tape – A Comparative Analysis: Does It Need to Be So Complex?

    By C Pope, M Tannock

    Mining exploration and development projects in Australia are being negatively affected by the highly complex regulatory and bureaucratic processes at all levels of government. These processes affect m

    Jul 13, 2015

  • AUSIMM
    Ore Selection to Maximise Value

    By J E. Everett

    Ore selection is generally a highly subjective task, with emphasis on producing product with a consistent target grade matching a perceived market requirement. A composite selection criterion ‘Comp’ (

    Jul 13, 2015

  • AUSIMM
    Iron Ore Final Grinding by High Pressure Grinding Rolls and Air Classification

    By F P. van der Meer, E Lessing, E Matthies

    High pressure grinding rolls (HPGR) technology is growing to be a common comminution tool in iron ore processing. The technology finds a wide acceptance and presents specific benefits in coarse ore gr

    Jul 13, 2015

  • AUSIMM
    Australian Research Council Research Hub for Advanced Technologies for Australian Iron Ore – An Introduction

    By K Williams, G M. Evans, S M. Iveson, K P. Galvin, C E. Loo

    The Australian Research Council (ARC) has recently established an Industrial Transformation Research Hub in the area of iron ore, focused on iron ore characterisation, beneficiation, materials handlin

    Jul 13, 2015

  • AUSIMM
    New Discrete Element Modelling Calibration Technology to Facilitate the Increased Efficiency of Ore Handling and Processing Operations

    By P W. Wypych, D Curry, A P. Grima

    The market has become highly competitive for engineering and equipment vendors, who are challenged to reduce costs while improving efficiency and productivity of mine operations through plant improvem

    Jul 13, 2015

  • AUSIMM
    Three-dimensional Mapping of Magnetite and Hematite Concentrations from Reprocessing of Detailed Aeromagnetic Data

    By C A. Foss, D A. Clark, D Hillan

    While magnetic surveys are the most common geophysical method used in mineral exploration, magnetics and geology remain to be fully integrated quantitatively in iron ore provinces. Although high-resol

    Jul 13, 2015

  • AUSIMM
    Laser Scanning of Conveyor Ore Profiles

    By S Grobler, T Fares

    Understanding the real utilisation of the available volumetric capacity of a conveyor is key to unlocking latent capacity or ‘debottlenecking’ existing plant. Conveyors are typically designed on the b

    Jul 13, 2015

  • AUSIMM
    Granulation Behaviour of Specularite Fines in Ferrous Sinter Mixtures

    By J Pan, B-J Shi, X-B Li

    The granulation behavior of specularite fines which possess poor ballability was studied with limonite fines as a function of nuclei particles and adhering fines. The results show that the permeabilit

    Jul 13, 2015

  • AUSIMM
    Gravity Separation of Ultra-fine Iron Ore in the Reflux Classifier

    By J Zhou, D M. Hunter, S M. Iveson, K P. Galvin

    The recovery and concentration of ultra-fine iron ore can provide significant economic benefits. Presently, there are limited options available given the low settling rates achieved by conventional gr

    Jul 13, 2015

  • AUSIMM
    Effect of Concentrate and Micropellet Addition on Iron Ore Sinter Bed Permeability

    By A M. Nyembwe, A M. Garbers-Craig, R Cromarty

    With the depletion of high-grade lump iron ore, concentrates have been identified as an alternative material for sinter making. Adding concentrates to the sinter mixture reduces sinter bed porosity an

    Jul 13, 2015