Energy Efficiency

Energy Efficiency

G R Ballantyne, M Hilden, K Bartram and V Souto 14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia Australia ABSTRACT Particle sorting allows partially liberated minerals to be separated prior to energy intensive fine grinding. Sensors select particles for s...
23-Oct-2018
PETAR BODUROV & VASIL GENCHEV Journal of Multidisciplinary Engineering Science and Technology. 4(1), January 2017 ABSTRACT There is an alternative of the spherical grinding bodies. Innovative grinding bodies have shown in university tests with Bond Mill lower values of the Fred Bond Wi i...
05-Jul-2018
G R BALLANTYNE Comminution ’18, April 16-19 2018, Cape Town, South Africa Australia ABSTRACT Comminution Energy Curves are a resource developed at the JKMRC and made available by CEEC to the mining industry to compare and benchmark comminution energy intensity at mine sites.   However...
06-Jun-2018
M SCOTTMine Excellence 2018 – 3rd International Seminar of Operational Excellence in Mining, 21-23 March 2018, Santiago, Chile Australia ABSTRACT The Australian mining industry currently consumes 28% more water, 21% more energy and generates 19% greater emissions to maintain the same level of prod...
06-Jun-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
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
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
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
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 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 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
Abstract The Institute of Mineral Processing at the Montanuniversitaet Leoben in cooperation with the company CEMTEC has developed a pilot scale, 200 mm table diameter, vertical roller mill for energy controlled laboratory tests. The mill provides the technical options to vary process parameters li...
12-Feb-2016
Abstract In the dry grinding industry the demand for very fine particle size distributions is increasing rapidly. At the same time a growing awareness for an economical management of our planet's resources has raised the demand for energy efficient processes. Roller mills in general and specific...
12-Feb-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
Abstract Reduction of energy consumption at Jhamarkotra Phosphate concentrator of M/s Rajasthan State Mines and Minerals Ltd was achieved in three stages (1) stabilizing the through put as per the norms of the detailed feasibility report of the project to achieve energy consumption to 53 - 56 kWh...
17-Jan-2016
Abstract The latest state of the art on Discrete Element Method (DEM) and the increased computational power are capable of incorporating and resolving complex physics in comminution devices such as tumbling mills. A full 3D simulation providing a comprehensive prediction of bulk particle dynamics i...
12-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
ENHANCED OPEN GEAR LUBRICANTS PROVIDE TANGIBLE BENEFITS FOR HEAVY INDUSTRY – THEY ARE THE ‘CLEAR’ CHOICE FOR IMPROVED OPEN GEAR RELIABILITY ABSTRACT The maintenance of large open gear systems at mines, power or cement plants present a significant challenge due to the heavy loads and harsh enviro...
01-Dec-2015