Case Study

Case Study

*K. Tungpalan, A. Nguyen, C. Evans, E. Manlapig, K. Nguyen Presented at Procemin GEOMET 2019 ABSTRACT Ore texture represents the fundamental ore properties that significantly influence processing behaviour. However, the current measurement to obtain detailed textural information is through the Q...
23-Jun-2020
*P. Lind, K. Erwin, R. Chandramohan, D. Tweed, G. Lane, P. Staples, S. Hille, B. Foggiatto, J. Awmack, B. Patterson Presented at SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT Newmont Goldcorp’s Peñasquito operation, located in the state of Zacatecas in northwest Mexico, is cur...
23-Jun-2020
M. Sherman, A. Collins Presented at World Gold 2019 ABSTRACT The ever changing demands of providing operating teams with grinding circuits that meet their needs has resulted in equipment suppliers offering a broader range of grinding equipment and researchers investigating more efficient methods...
23-Jun-2020
B Putland & R Sciberras SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT Many ore bodies are getting harder, more abrasive, and lower in grade. One of the issues designers face is minimizing capital and operating costs when treating such ores. Designers often look to secondar...
06-Jan-2020
M Powell, C Bozbay, S Kanchibotla, B Bonfils, A Musunuri, V Jokovic, M Hilden, J Young, E Yalcin SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT In expanding the mine to process considerably more competent ore sources, this semi-autogenous-ball mill-crusher (SABC) circuit with a...
06-Jan-2020
G. Ballantyne, A. Giblett SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT Newmont has a demonstrated history as a leading investor in comminution technology developments. Most notably the cornerstone high pressure grinding rolls (HPGR) demonstration plant at the Lone Tree operat...
06-Jan-2020
R Butar, M Becker, B Putland, I Lovatt, F Kock SAG Conference Vancouver, Canada September 22 – 26, 2019 ABSTRACT Continuous improvement is a major key performance indicator (KPI) for many metallurgical operations. Improvement never happens by itself and is rarely attributed to a single party or p...
06-Jan-2020
B. Kirkwood, J. Kinal, J. Siliezar, H. Sofatzis Metallurgical Plant Design and Operating Strategies (MetPlant 2013), 15-17 July 2013, Perth WA Ernest Henry Mining (EHM) is a copper, gold and magnetite mining and processing operation located 38 km north-east of Cloncurry in the Mount Isa-Cloncurry...
03-Jan-2019
R Espinosa-Gomez, S.Gomez-Hernandez and P D Munro 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia ABSTRACT Filtered dry stack tailing storage facilities offer many advantages over thickened tailing storage facilities and yet, most of the mining companies still p...
20-Dec-2018
B Nielsen, J Rohleder, H Lehto and C Robbe MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract Sensor-based ore sorting is being increasingly used to reduce the amount of low-grade and waste m...
26-Oct-2017
G R Ballantyne, M Di Trento, I Lovatt and B Putland MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract The Tropicana Gold Mine, owned by AngloGold Ashanti Australia Ltd (70% owned and managed...
26-Oct-2017
P STAPLES, G LANE, R BRAUN, B FOGGIATTO AND M P BUENO PRESENTED AT SAG CONFERENCE, SIXTH INTERNATIONAL CONFERENCE ON SEMIAUTOGENOUS AND HIGH PRESSURE GRINDING TECHNOLOGY, VANCOUVER, 20-24 SEPTEMBER 2015. ABSTRACT Autogenous (AG) and semi-autogenous (SAG) grinding mills are considered a mature tec...
18-Jul-2017
S NKWANYANA AND B LOVEDAY (1) PRESENTED AT COMMINUTION ’16, MINERALS ENGINEERING INTERNATIONAL, PUBLISHED IN MINERALS ENGINEERING VOLUMES 103-104, BARRY WILLS (ED), APRIL 2017. ABSTRACT Ball-mills are used widely for secondary grinding. Loveday (2010) reported on laboratory tests in which s...
18-Jul-2017
Comminution Circuit Design Considerations G Lane (1), B Foggiatto (1), R Braun (1), M P Bueno (1), P Staples (2) and S Rivard (2) 49th Annual Canadian Minerals Processors Conference, Ottawa, Canada, 17-19 January 2017    ABSTRACT This paper demonstrates the selection of grinding circui...
26-May-2017
Breaking Down Energy Consumption in Industry Grinding Mills J Bouchard (1), G LeBlanc (2), M Levesque (3), P Radziszewski (4) and D Georges-Filteau (1) 49th Annual Canadian Minerals Processors Conference, Ottawa, Canada, 2017    ABSTRACT Grinding mills are infamous for their extremely...
26-May-2017
The transition from semi-autogenous to autogenous milling at Waihi Gold C Haines and D Bertoldi AusIMM Mill Operators Conference 2016   ABSTRACT The Waihi Gold Mine (WGM) operated by OceanaGold New Zealand Limited is a wholly owned subsidiary of the OceanaGold Corporation of Australi...
26-Apr-2017
Grinding circuit practices at Newmont A Giblett and S Hart AusIMM Mill Operators Conference 2016   ABSTRACT In 2015 operations under the ownership and/or management of all Newmont Mining Corporation subsidiaries (Newmont) produced 5.7 Moz of gold and 619 Mlb of copper from mining opera...
26-Apr-2017
G Harbort and D Zoetbrood ABSTRACT The Phu Kham copper-gold operation in the Laos People’s Democratic Republic (PDR) is owned and operated by Phu Bia Mining Limited. PanAust Limited holds a 90 per cent interest in Phu Bia Mining Limited, with the remaining ten per cent held by the Laos PDR Gov...
15-Feb-2017
Abstract The Dumont deposit is a large (1,179 Mt proven and probable reserve) low grade (0.27% nickel) nickel sulphide project located in the Abitibi region 25 km west of Amos, Quebec. Royal Nickel Corporation acquired the project in 2007 and has since taken the project from a scoping study in 20...
08-Apr-2016
Abstract AngloGold Ashanti was an early adopter of High Pressure Grinding Roll (HPGR) technology at both Tropicana Mine and the Gramalote Project. The increased energy efficiency achieved by HPGRs through confined bed breakage has been extensively researched in small scale tests, but slow industry...
01-Apr-2016
Abstract The Detour Lake mine is located in north-eastern Ontario, approximately  three hundred kilometres north-east of Timmins and 185 kilometres by road north-east of Cochrane. The mill processes a free milling gold ore using both gravity circuit and leaching with a state of the art carbon-in...
20-Mar-2016
Abstract Declining ore grade, leading to increased material transport and plant throughout requirements, is one of the major challenges in the current mining environment. This is accompanied by rising energy and labour costs, decreasing plant productivity and the requirement for highest plant avail...
20-Jan-2016
SAG 2015 A simple strategy is required for assessing the efficiency with which comminution circuits apply energy to achieve size reduction. A coherent methodology has been developed, based on well established theories, to graphically identify the opportunities for process improvement and the pote...
03-Jan-2016