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BHP Iron Ore Pty Ltd Protocol for Mine Closure Goldsworthy, Western AustraliaBackground BHP Iron Ore Pty Ltd is one of the major iron ore producers in the Pilbara Region of North Western Australia. The company manages three separate joint ventures; the Newman, Goldsworthy a
Jan 1, 1994
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Dynamic Simulation of Size Reduction Operations from Mine to MillBy Pate W. T
This paper describes the development of a dynamic flowsheet simulator for comminution operations. Object oriented software design allows the handling of multiple ore types, blended into multicompone
Jan 1, 1998
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Ground support rationalisation at Golden GroveBy R Varden
This paper summarises the process taken to simplify 35 ground support standards accounting for the multiple development profiles, dynamic geotechnical environment and the practical safety implications
Mar 29, 2023
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Multivariate Block Co-Simulation of an Iron Ore DepositThe Rio Tinto Iron Ore group currently estimates grade attributes for mineral resources using ordinary kriging (OK). OK produces a smoothed globally unbiased estimate, but does not capture local varia
Sep 26, 2011
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Characterisation of Australian Electric Arc Furnace (EAF) Dusts and the Application of Simple Physical Separation Techniques to Upgrade ThemBy K J. Davey, J T. Woodcock
Australian steelmakers produce up to 30 000 t/yr of electric arc furnace (EAF) dust. Current disposal techniques include sending EAF dust to landfill, stockpiling, and paying zinc smelters or register
Jan 1, 2006
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Extending Information from Coal Bore CoresA description is given of a detailed examination of a coal bore core and of attempts to predict properties of equivalent "as-mined" coal using the bore core data so obtained. The accuracy of the pr
Jan 1, 1972
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Geotechnical assessment for the waste rock backfilling of the decommissioned Rum Jungle Open Cut PitBy J Hartnett, B Tarrant, A Rayner, D O’Toole, P Davies
Since 2009, the Northern Territory and Australian governments have been working under a national partnership arrangement to inform a rehabilitation plan for the former Rum Jungle uranium mine. Part of
Jul 1, 2021
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Effect of Clay Rheology on Flotation of a Refractory Gold OreBy L Basnayaka, N Subasinghe, B Albijanic
"It has been recognised that the presence of clay minerals in ores adversely affect flotation performance. In this study, changes in rheological properties of the flotation pulps under normal operatin
Oct 10, 2016
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Coarse Liberation and Recovery of Free Gold and Gold Sulfide Carriers for Energy Reduction in Process PlantsBy M Davies, G Theletsane, A H. Gray
Recovery of gold from gold ores has been driven by the available technology and its configuration in the process plant flow sheet.Conventional practice in test work programs has the ore being ground f
Sep 1, 2014
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Copper-Molybdenum Concentrator Surveys Using Mineralogy and Process Benchmarking Tools to Improve Overall Plant PerformanceBy P Thompson, D Rose, S Yu, W Baum, R Zahn, D Meadows, G Hall
Opportunities to improve mill operations are often cited by mining companies and recognised in many concentrators spread throughout the world but are not always followed through. Copper-molybdenum con
Sep 1, 2014
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Field Parametric Geostatistics Geostatistical Rigorous Solutions Dealing with Extreme Grades During Resource EstimationBy M Armony, J F. C L Costa, J C. Koppe
Linear kriging methods fail to estimate local grades and local reserves for highly skewed variables due to three reasons: it uses only part of the available data information, it has no physical princi
Sep 26, 2011
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Economic recovery of low-grade fine iron ore using the Optima ClassifierBy F van de Venter, J Monama, T Kale
For a multitude of years fine iron ore, -1 mm, across the world has been deposited as discard material in tailings facilities. This contributes to environmental problems, decreases plant yield and inc
Sep 18, 2023
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Industrial Scale Results from Shear Enhanced Thickening TechnologyBy I Arburthnot, N Lawler, C Loan
The function of a thickener is to optimise and accelerate the process of gravity sedimentation. The desired end product (be that maximised concentrated solids or clarified liquid) determines how the t
Oct 29, 2012
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Real-time Mining – Moving Towards Continuous Process Management in Mineral Resource ExtractionBy N Jeannee, L Rattmann, M W. N Buxton, A deJong, K Nienhaus, A Soares, P Graham, A Korre, J Benndorf, D Buttgereit
The flow of information, and consequently the decision-making along the chain of mining from exploration to beneficiation, typically occurs in a discontinuous fashion over long timespans. In addition,
Nov 4, 2015
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Multicomponent modelling and simulation of the Minas Rio iron ore grinding circuitBy T M. Campos, J Silva, L M. Tavares, J Lichter, L P. Alves, B K. N Rocha, H D. G Turrer
The depletion of the richest ore deposits and the increase in number of mining projects involving deposits with complex mineralogy, higher competence and lower grade has led to an eminent need for imp
Aug 24, 2022
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Exploration in the Gippsland, Bass and Otway BasinsLocation & Permit Status Three major Mesozoic Tertiary basins exist along the continental shelf area of southeastern Australia, known as the Bass Strait area. They are the Gippsland (east of the long
Jan 1, 1970
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The Effect of Weak Acid Dissociable Cyanide on Gold and Silver Flotation in Hidden Valley MineBy Y Peng, B Guo
In gold processing plants, the water from the cyanidation stages is treated to detoxify cyanide species and this recycle water becomes the main part of the process water. Despite the low concentration
Sep 26, 2013
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The Interaction Between Pulp Density and Frother Addition in Coal FlotationBy Roberts T, Firth B. A
A series of flotation experiments was carried out to study the interaction between the parameters of pulp density (mass per cent of solids in feed slurry) and frother addition (on the basis of solid m
Jan 1, 1984
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Exploring the Use of Fibre Reinforced Shotcrete in Large Diameter ShaftsBy D J. Kilkenny, D A. O’Toole, P B. Hills, K L. Seah
An investigation was undertaken to critically analyse the use of fibre reinforced shotcrete (FRS) for a variety of applications in large diameter shafts. Those applications included the use of FRS wit
Nov 5, 2014
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Aren't You Too Young to be a Consultant?Many young mining engineers do not consider consulting as a possible job, believing that many years of working on-site is required to achieve practical experience, develop expertise and acquire indust
Jan 1, 2009