Comminution

Comminution

F.P. van der Meer Canadian Mineral Processors Conference, 23-25 January 2018, Ottawa, Canada ABSTRACT HPGRs operate in a wide array of applications in mining and minerals. These range from relatively coarse crushing of copper and gold ores at one end of the spectrum to the processing of fine iron...
28-Jun-2019
Y. Dumais, R. Lemire, T. Banerjee and H. Weitz Canadian Mineral Processors Conference, 23-25 January 2018, Ottawa, Canada ABSTRACT Agnico Eagle LaRonde produces over 300,000 ounces of gold annually, along with silver, zinc and copper by-products. The LaRonde plant consists of a conventional SAG a...
28-Jun-2019
F.C.F. Batista, R. deS. Almeida, L. deA. Silva, T. Banerjee, D. Gudgeon CMP 2018, 23-25 January 2018, Ottawa, Canada ABSTRACT Yamana Chapada’s mine is one of the larger copper-gold mines in Brazil. The mine is located in Goias state, in the central part of Brazil. The mine has estimated Mineral R...
24-Apr-2019
J. Starkey, B. Hilscher, S. Reeves and J. Hedderson  Canadian Mineral Processors Conference, 22-24 January 2019, Ottawa, Canada ABSTRACT As ore sorting becomes more common, it is important to quantify its impact on comminution circuits in order to precisely predict its effect on throughput,...
23-Apr-2019
A Giblett and B Putland 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia ABSTRACT This paper provides a simple guiding framework for grinding circuit optimisation, focussing on common themes in past optimisation success stories, the conditions for success and techniq...
23-Oct-2018
B Wong and T G Vizcarra 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia ABSTRACT Optimisation projects are regularly undertaken without knowing the root cause of an issue. It is all well and good to trial a multitude of flotation reagents, change the operating...
22-Oct-2018
S Palaniandy, M Spagnolo, R Halomoan, H Zhou and H Ishikawa MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia Abstract The Karara Mine concentrator commenced operation in November 2012 to produce hig...
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
Holger Plath, Holger Plath, Christoph Beyer, David Kruth, Johann Knecht, Wolfgang Baum 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Although HPGR technology has been recognized since the late 1980s as a potential powerful to...
26-Sep-2017
The Energy Saving Technology of Beneficiation of Iron Ore V V KARMAZIN, M A BIKBOV AND A A BIKBOV MAGNETIC AND ELECTRICAL SEPARATION, VOL 11 (4), PP 211-224 ABSTRACT The qualitative and quantitative evaluation of liberation of economic minerals and thelevel of contamination of the process produc...
25-Aug-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
  The way we make decisions about adopting energy efficient comminution technologies is complex, and there are multiple factors at play.  Depending on the company and individual personalities, the weight of different motivating influences varies between: energy cost environmental co...
16-Aug-2016
Where do you look for processing efficiency improvements? What can you do without changing the flowsheet? What is the real financial impact of your changes? Mineral processing can use up to 50% of the energy consumed on a mining site. Because of limitations imposed by capital and operating cost s...
13-Aug-2016
In the face of increasing energy costs, limited water resources, more stringent legislation and lower feed grades, the mining industry is searching for more sustainable technologies and practices.  Metso Process Technology and Innovation (PTI) is undertaking a research project, “Improving the resour...
15-Jul-2016
CEEC Director Ivan Mullaney spoke at the Mining Strategic Excellence conference in North America about the importance of energy efficiency and the need for innovation.  CEEC's contribution to innovation is significant.  The website provides a platform that keeps industry informed about innovative pr...
15-Jul-2016
X-ray transmission (XRT) sorting has been introduced into the minerals industry in 2006 and has found various applications in diamonds, industrial minerals, and metal ore processing since. The technology offers planar projection of the atomic density of single particles similar to the principle know...
21-May-2016