Resources

Publications

Shuji Owada, Sho Terada, Taiki Senga, Takao Namihira 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Electrical disintegration (ED) is well known as a good comminution method to improve liberation of componential elements, because electron avalanche co...
26-Sep-2017
Bern Klein, Baker Giyani, David Rahal 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract Stirred media mills have proved to be more energy-efficient than the conventional ball milling for fine grinding applications. The mill performance is governed b...
26-Sep-2017
M Bunyard and I Mullany 49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017. Abstract The pressures on mine operators are varied and constantly increasing: declining ore grades, more remote locations, and increasing environmental concerns. The challenge facing the m...
26-Sep-2017
Peter Amelunxen Presented at Procemin 2016, October 26-28, Santiago, Chile. We all know the story of froth flotation. The first patents date to 1885, when Carrie Everson discovered a method of concentrating sulfide minerals from a powdered ore using a froth phase.  Everson’s process was...
26-Aug-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
Abstract As the stirrer speed directly affects the motion of grinding media, and hence the interactions with material particles to be ground, the rotation speed of a stirred mill is well recognised as one of the most important factors affecting the grinding performance. In this work, the effec...
09-May-2016
ABSTRACT Simulation work was carried out to analyse how feeding a finer size distribution to a single stage SAG mill in closed circuit with hydro cyclones at Freda Rebecca Gold Mine would affect throughput and specific energy consumption using an Excel based milling process simulator developed by...
07-May-2016
Abstract Comminution and classification circuits consume significant amounts of energy. Some estimates show that comminution processes accounts for around 40 % of the total energy consumed in mining operations and 1.5-1.8 % of the total national energy consumption in mining intensive countries such...
19-Apr-2016
Abstract This paper discusses how to effectively conduct energy efficiency studies during the design of new mineral processing plants and plant expansions. Energy management studies for new plants are ideally conducted as part of the feasibility study, but can also be done at the detailed design...
09-Apr-2016
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 This paper discusses the process design and layout of the Constancia Project comminution circuit. The circuit consists of a 60 x 113 primary crusher, two 16 MW SAG mills and two 16 MW ball mills. All four mills are twin pinion with wound rotor motor and gearbox drives. Provision for pebb...
16-Mar-2016
ABSTRACT Mill filling is an important operational parameter in a SAG mill circuit and by its control and optimisation it can produce significant improvements in production capacity and energy efficiency. However, it is industry practice to report mill load as the total output given by load cells, o...
20-Feb-2016