Pamparana, Kracht, Ortiz, Haas
Presented at COM 2019, At Vancouver, Canada
ABSTRACT
This work explores the effect of ore hardness variability on the design of a solar photovoltaic system with battery storage and grid backup, to operate a semi-autogenous grinding mill (SAG). First, a case of two s...
23-Jun-2020
K. Bru, R. Sousa, M. Leite, C. Broadbent, G. Stuart, D. Pashkevich, M. Martin, M. Kern, D. Parvaz
Minerals Engineering
ABSTRACT
Two approaches for the use of the Electric Pulse Fragmentation (EPF) in the beneficiation of a low-grade cassiterite schist ore were investigated through pilot-scale t...
23-Jun-2020
*K. Bru, M. Beaulieu, R. Sousa, M. Leite, A, De Sousa, E. Kol, J. Rozenkranz, D. de Parvaz
Minerals Engineering
ABSTRACT
Electric Pulse Fragmentation (EPF) is an innovative technology that uses High-Voltage Pulsed Power (HVPP) for the selective comminution of a material. This paper aims to compa...
23-Jun-2020
Bearman, Bowman, Dunne
AusIMM Publication
ABSTRACT
Upgrading coarse feed in gold plants, through a process of selective processing, has always been of interest. The level of interest has waxed and waned over the last 30–40 years, but improvements in methods and pressure to increase the efficienc...
23-Jun-2020
*P. Shelley, I. Molina, D. Patsikatheodorou
Presented at Procemin GEOMET 2019
ABSTRACT
The paper shows how measurements from inside an operating SAG mill are now a reality. The paper discusses how the measurements might affect and enhance energy efficient mill optimisation. Energy efficient comm...
23-Jun-2020
*G. Ballantyne
Presented at SAG Conference Vancouver, Canada September 22 – 26, 2019
ABSTRACT
Assessment of comminution energy intensity has traditionally been confined to the crusher and mill motor power consumption. However, a measure of ancillary equipment power and the embodied energy consume...
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
NewmontGoldcorp’s Peñasquito operation, located in the state of Zacatecas in northwest Mexico, is curr...
23-Jun-2020
W. Valery, K. Duffy, R. Faveere, R. Hayashida, A. Jankovic, E. Tabosa, I. Yelkin
Presented at IMPC 2018
ABSTRACT
The mining industry faces growing challenges from more complex and lower grade deposits, rising costs, limited energy and water availability, and increasing societal pressure to operat...
23-Jun-2020
W. Valery, K Duffy, R. Valle, R. Hayashida, A. Jankovic, P. Holtham, E. Tabosa, B. Andrade
Procemin GEOMET 2019
ABSTRACT
In late 2017, Hatch was engaged to conduct a Mine to Process Optimization project for a large iron ore operation. The operation consists of three iron ore mines feeding seven...
22-Jun-2020
B. Adair, L. Kenney, D. King, M. Scott
ABSTRACT
There are a number of potential technology opportunities to effect up-front gangue rejection in the minerals sector. CRC ORE has been working with several of its mining participants to assess the efficacy of a range of such technologies, assessed acr...
22-Jun-2020
T.Vizcarra, B. Wong
Presented at SAG Conference Vancouver, Canada September 22 – 26, 2019
ABSTRACT
JKTech has completed a comparative testing program of Bond tests as an addition to its “round-robin” quality control program for JK Drop Weight(JKDW)and SMC tests. Over seventy Bond tests of repres...
22-Jun-2020
L. Vollert, B. Akerstrom, B. Seaman, L. Kohmenuch
COM Copper 2019 Conference 18 - 21 August Vancouver
ABSTRACT
In August 2018, the first full-scale HydroFloatTM cells for the recovery of coarse composited copper and gold were commissioned at Newcrest’s Cadia Valley operation in New South Wa...
04-Mar-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
A. McElroy, M. Powell, J. Tilberg, M. Hilden, M. Yahyaei, M Linna, A. Johnansson
SAG Conference Vancouver, Canada September 22 – 26, 2019
ABSTRACT
The new Aitik autogenous grinding (AG) milling circuit was based on the successful original milling plant at Aitik, with a focus on low life-of-mine o...
06-Jan-2020
*P. Pearce, C. Gagnon, B. Klein, R. McIvor, S. Makni, F. Wang, A. Kumar
SAG Conference Vancouver, Canada September 22 – 26, 2019
ABSTRACT
The aim of the Crush It! Challenge is to accelerate transformative solutions to reduce energy usage in the mill. Natural Resources Canada supported competition...
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...
06-Jan-2020
G. Ballantyne
ABSTRACT
Assessment of comminution energy intensity has traditionally been confined to the crusher and mill motor power consumption. However, a measure of ancillary equipment power and the embodied energy consumed through media wear is required to compare disparate equipment types an...
06-Jan-2020
S Nadolski, R Haycock, K Li, S Seiler, A Kumar
SAG Conference Vancouver, Canada September 22 – 26, 2019
ABSTRACT
A comprehensive energy study was carried out for the Red Chris mill, which processes copper-gold ore at a rate of 30,000 tonnes per day (t/d) and is located in Northern British Columbi...
06-Jan-2020
P Lind, K Murray, A Boylston, & I Arce
SAG Conference Vancouver, Canada September 22 – 26, 2019
ABSTRACT
Mineral processing consumes significant power, primarily in comminution, as well as significant amounts of water through hold-up in conventional tailings facilities. Reducing power and wa...
06-Jan-2020
GREG LANE1, SIMON HILLE2, JOE PEASE3, & MATT PYLE4
1Ausenco, 2Newmont Goldcorp, 3Mineralis, 4Ausenco
SAG Conference Vancouver, Canada September 22 – 26, 2019
ABSTRACT
A comprehensive energy study was carried out for the Red Chris mill, which processes copper-gold ore at a rate of 30,000 tonn...
06-Jan-2020
F.P. VAN DER MEER1, R. FERNANDEZ2
1. F.P.van der Meer, Weir Minerals Plc, Minerals Processing and HPGR Technology, Egtenrayseweg 9, 5928 PH VenloThe Netherlands, T: +31 (0)77 3272955, E: This email address is being protected from spambots. You need JavaScript enabled to view it., W: www.weirminerals.com
2. R. Fernandez, Weir Minerals Sud-America, Manager Comm...
06-Jan-2020
17-Dec-2019
17-Dec-2019
Hamid Manouchehri
Comminution '18, April 16-19, Cape Town, South Africa
ABSTRACT
As an energy intensive industry, mining consumes about 6-7% of total world’s energy to produce raw materials for subsequent industries. Grinding, however, is the most energy intensive process in mining which is respo...
25-Jul-2019
Near technologies
15-Jan-2019
G S Lane, J Seppelt and E Wang
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
ABSTRACT
Newcrest’s Cadia concentrator operated from 1998 to 2012 with a traditional SABC grinding circuit treating Cadia open pit ore. The Cadia comminution circuit was well characte...
20-Dec-2018
G R Ballantyne, M Hilden, K Bartram and V Souto
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
ABSTRACT
Particle sorting allows partially liberated minerals to be separated prior to energy intensive fine grinding.
Sensors select particles for separation a...
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
B C Povey, V Noll, K Lagutin and M Mryasov
MetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia
Abstract
The current Stoilensky magnetite concentrator comprises a three-stage crushing circuit followed b...
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
Dry processing of magnetic iron ores – addressing cost and environmental issues
W Skinner (1) and J R Kelly (2)
AusIMM Iron Ore 2017 Conference, Perth, Australia, 24-26 July 2017. Paper Number: 86
ABSTRACT
The Iron ore industry has reached the end of an unprecedented period of ex...
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
G R BALLANTYNE, A MAINZA AND M S POWELL
PRESENTED AT WORLD GOLD CONFERENCE 2015, JOHANNESBURG, SOUTH AFRICA, 29 SEP – 1 OCT, 2015
ABSTRACT
The mining industry has acknowledged the need for an effective method and platform to benchmark comminution energy intensity and motivate action to impr...
18-Jul-2017
W VALERY (1), K DUFFY (1), P HOLTHAM (2), A REPLE (3), P WALKER (4), P ROSARIO (1)
PRESENTED AT IMPC 2016: XXVIII INTERNATIONAL MINERAL PROCESSING CONGRESS, AT QUEBEC CITY, CANADA
ABSTRACT
The mining industry is facing declining feed grades which require the mining and processing of larger volume...
18-Jul-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
G S ANDERSON1 AND N W MCDONALD2
13TH AUSIMM MILL OPERATORS’ CONFERENCE, PERTH, WA, 10-12 OCTOBER 2016.
ABSTRACT
The IsaMill™ was originally developed to address liberation issues at Mount Isa Mines (now Glencore) operations, McArthur River and Mount Isa in the early 1990s. Follow...
18-Jul-2017
C CARRASCO1 2, L KEENEY 1 2, T J NAPIER-MUNN2, P BODE1
PRESENTED AT COMMINUTION ’16, MINERALS ENGINEERING INTERNATIONAL, PUBLISHED IN MINERALS ENGINEERING VOLUMES 103-104, BARRY WILLS (ED), APRIL 2017.
ABSTRACT
Grade Engineering® comprises a range of techniques aiming to reje...
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 Effect of Choke Feeding a Gyratory Crusher on Throughput and Product Size
J -F Dupont (1), J McMullen (1) and D Rose (2)
49th Annual Canadian Minerals Processors Conference, Ottawa, Canada, 2017
ABSTRACT
The Detour Lake mine is located 200 km northeast of Timmins, Ontario, Canada...
26-May-2017
Optimisation of installed mill power post-installation of secondary crushing circuit at Northparkes Mines.
Y Sulianto, T Trott, D Morgan, T Bell, F Kock and B G Putland
AusIMM Mill Operators Conference 2016
ABSTRACT
Northparkes installed and commissioned a secondary crushing circui...
26-Apr-2017
Simplified hybrid semi-autogenous grinding mill control – explanation and practical results at the Porgera concentrator
S Ngunz, F van Zyl, F Orrante, E Beltran, M Westcott and S Wilson
AusIMM Mill Operators Conference 2016
ABSTRACT
The primary control objective of the project is to...
26-Apr-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