MetPlant 2015
Metallurgical Plant Design and Operating Strategies – World’s Best Practice
Perth, Australia 7 – 8 September 2015
ISBN: 978-1-5108-2145-3 Printed from e-media with permission by:
Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571
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Copyright© (2015) by Australian Institute of Mining & Metallurgy (AusIMM) All rights reserved.
Printed by Curran Associates, Inc. (2016)
For permission requests, please contact Australian Institute of Mining &Metallurgy (AusIMM) at the address below.
Australian Institute of Mining & Metallurgy (AusIMM) P.O. Box 660 Carlton South Victoria 3053 Australia
Phone: 61 3 9658 6100 Fax: 61 3 9662 3662 [email protected]
Additional copies of this publication are available from:
Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 USA Phone: 845-758-0400 Fax: 845-758-2633 Email: [email protected] Web: www.proceedings.com CONTENTS
Keynote Papers
Do All MetPlants Work Well? PlantMets can Ensure They Do P Cameron 2
Measuring and Taking Notice of Orebody Variability – D David 10 An Essential Ingredient for Reliable Plant Design
Sampling, Corporate Governance and Risk Analysis G J Lyman and F S Bourgeois 27
Integrated Mining and Metallurgical Planning and Operation P L McCarthy 35
Base Metals Concentrate Sales Contracts - Change Pavlov P D Munro and S E Munro 46 and the Dog
Fatal Flaws in Technical Due Diligences A J H Newell 61
A Progressive, Iterative Approach Leading to Reliable F F Pitard 78 Metallurgical Accounting Sampling Systems
Comminution
Process Optimisation Using Real-time Tracking of Coarse D Cirulis, S Dunford, J Snyder, 93 Material in Individual Cyclone Overflow Streams E Bartsch, P Rothman, R Maron, D Newton, C O’Keefe and J Mercuri
The Arrium IsaMill from Design through Commissioning M Larson, G Anderson, 110 and Optimisation M Mativenga and C Stanton
A Novel Measurement for the Internal Operation of a R A Pax and B Cornish 120 Semi-autogenous Mill Using Acoustic Sensors – A Case Study
Increasing Grinding Circuit Robustness with Advanced A Rantala, P Blanz, K Aberkrom 129 Process Control and O Haavisto
Optimisation of a Semi-autogenous Grinding Mill through P Toor 142 Trajectory and Power Modelling
Understanding the Effects of Liner Wear on Semi-autogenous P Toor, M Powell, M Hilden 150 Grinding Mill Performance and N Weerasekara
Gold and Copper Metallurgy
Lessons Learnt and Performance – Installing and J K Claflin, S R La Brooy 163 Commissioning an Ausenco Carbon Reactivation Kiln in Africa and D Preedy
The Influence of Pyrite on the Pulp Chemistry and Copper C J Greet, P Karageorgos 175 Flotation Response of a Chalcopyrite Ore and L Teixeira
Bottle Rolls versus Stirred Beaker Leach Testing – Which is Best? C Greet, A Lazamanana 188 and G Small
Karouni Gold Project from Drill Core to Commissioning K Nilsson and D Connelly 197
Commissioning and Ramp-up of the Albion Process at the P Voigt, M Hourn, D Mallah 207 GPM Gold Project and D Turner Operations
Application of Research Principles to Identify Process G R Ballantyne, N Clarke, P Elms, 221 Improvement at Sunrise Dam Gold Mine A Anyimadu and M S Powell
Improvements in Flotation Cell Maintenance, Power M Bird, B Oats and M Sganzerla 230 Consumption and Operation at South32 Cannington
The Increased Recovery Project at the Phu Kham Copper-Gold A Hoyle, D Bennett and P Walker 246 Operation, Laos PDR
Preconcentration
Improvements in Bi-metal Production at the Brunswick Plant, D Buchanan and V Cullinan 267 Costerfield
Integrating Bulk Ore Sorting into a Mining Operation to K Duffy, W Valery, A Jankovic 273 Maximise Profitability and P Holtham
Do we Need a Gravity Circuit or Not? A Case Study in A Giblett and K Afewu 288 Applying Best Practice
The Pre-concentration of Precious and Base Metal Deposits Using N J Grigg and G J Delemontex 296 the Inline Pressure Jig – Higher Feed Grades and More Metal
McArthur River Mine Heavy Medium Plant – The Benefits of J Wallace, S Strohmayr 311 Applying Modern Coal Plant Design Principles to Base Metal and K Cameron Heavy Medium Separation
Productivity Improvements
Nyrstar Port Pirie Redevelopment B de Villiers, G Bartel, W Watt 325 and B Kretschmer
Operating Strategies for Custodians of Company A L Welsh and P S Newling 338 Assets Creating Wealth
Does it Make Cent$ to use Flotation Columns for Phosphate E Wingate, M Kelahan, 353 Beneficiation? J-S David and L Bartsch
Sampling
Measuring the Influence of Sample Size on the Precision and A Giblett and T J Napier-Munn 367 Accuracy of Gravity Gold Estimation
Optimising Plant Feed Quality and Process Performance Using H Kurth 373 Geoscan Elemental Analysis
Smelting
Improved Copper Flash Smelting at Olympic Dam M White, R Haywood, W Taylor, 382 S Chen, J Ranasinghe and R West
Improving Cooling Tower Performance with Innovative T Hirsi, T Ritasalo 396 Horizontal Outflow Design and M Weatherseed Tailings and Water
Pilot Tests for Heavy Metals Removal in Mine Water T C Christensen, M Vendrup 404 and C Dube
Carmen Copper – A Sustainable Approach to Tailings S Morgan, H Mackie, 416 Thickener Upgrades C Maloloy-on and M Deiparine
Modified Nano-filtration Membrane Treatment of Hyper-saline B Tapley, N Stoitis and L Lien 431 Goldfields Water – An Overview and Benefits to Gold Plant Operation and Economics
Author Index 464