Valery, Valle, Roberto, Duffy, Holtham, Tabosa, Plasencia
Presented at Procemin-GEOMET 2020
ABSTRACT
At a time when the industry is faced with declining head grades, increasing operating costs, and problems associated with water and energy supply, pre-concentration offers hope. Pre-concentration...
22-Nov-2021
Jaques, Vollert, Akerstrom, Seaman
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
In August 2018 the first full-scale pneumatically assisted fluidised bed flotation cells for the recovery of coarse composited gold and copper were commissioned at Newcrest’s Cadia Valley opera...
27-Jul-2021
Yahyaei, Ye, Hilden, Ruiz, Gavelan
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
Stockpiles and bins are an integral part of every mineral processing plant, and their design and operation play a significant role in plant performance. Size segregation, which is a common phen...
20-Jul-2021
Paz, Ypelaan, Ryan, McInnes
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
The Anglo Gold Ashanti (AGA) Sunrise Dam Gold Recovery Enhancement Project (REP) was an upgrade project to the existing process plant to increase gold recovery. The project required the existing scree...
20-Jul-2021
Palaniandy, Carr, Johns, Williams
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
Haile Gold Mine is an open pitgold mine located in the state of South Carolina, USA. The concentrator consists of a semi-autogenous mill–ball mill–pebble crusher (SABC) circuit, flash flotation,...
20-Jul-2021
Oblokulov, Green, Van Der Spuy, Becker
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
One of the blessings associated with operating a modern metallurgical facility is the multitude of technologies, techniques and processes available to improve and optimise circuits. Circuit...
20-Jul-2021
Papadopoulou, Asbjörnsson, Hulthén, Evertsson
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Crushing plant managers need to assess, manage, and communicate the environmental impact induced by their crushing plant operations as a step towards the sustainable development of the...
19-Jul-2021
Amini, Beaton
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Application of ore pre-treatment technologies such as Grade Engineering and in-pit ore treatment require comprehensive analysis to show proven value is being generated by switching away from the current pr...
17-May-2021
Valery, Duffy, Holtham, Tabosa, Andrade
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Pre-concentration has potential to significantly improve Mineral Resource efficiency by removing gangue early in the process, before energy intensive and expensive comminution and...
17-May-2021
Dehkhoda, Salaya, Kwak, Keeney
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
In addition to volatile commodity prices influencing decision making, in recent years, social and environmental performance have become important decision drivers within the mining industry....
17-May-2021
Kurth, Balzan
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
The potential for bulk diversion was identified and quickly implemented following the development of bulk sensing technologies applied to conveyed flows. In the early 1980s real time analysis of ash in coal...
13-Apr-2021
Rech, Kroukamp
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
CRONIMET Australia in cooperation with Speciality Metals International, the mining lease holder of the Mt Carbine Tungsten mine, have demonstrated the preconcentration and processing of large (>12 millio...
13-Apr-2021
Lowes, Zhou, McGrath, Eksteen, Galvin
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Pre-concentration of low grade ores can improve the economic and environmental sustainability of an operation significantly, with opportunities for implementation ranging from run-of-...
13-Apr-2021
Keeney, Beaton, Scott, La Rosa, Amini, Rutter, Faramarzi
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Anglo American’s Los Bronces copper mine in Chile has been conducting detailed assessments investigating value adding options for their asset. The mine has conducte...
13-Apr-2021
Assimi, Koch, Garcia, Wagner, Neumann
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Run-of-Mine (ROM) stockpiles are the inventory of valuable materials extracted from the mine. Depending on the customer requests, a selective addition of ore from stockyards should be...
12-Apr-2021
Revell, Wilkie
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
The R&D landscape for ore pre-concentration technologies within mining is characterised by the development of individual technologies and point solutions. This presents METS and mining companies with th...
12-Apr-2021
Barbosa, Bergerman, da Fonsecaca
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Located in the state of Pará, Brazil, the Sossegocopper and gold mine consists of a heterogeneous geological deposit. Its complexity derives from the hydrothermal alteration, the ore-forming event,...
30-Mar-2021
Pyle, Ballantyne, Chandramohan, Vizcarra, Lane
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Preconcentration, through gravity separation (Wallace et al, 2015), magnetic separation and particle size (Clout, 2013), has been used in many historical projects to convert...
30-Mar-2021
Keeney, La Rosa, Walters, Rutter, Scott
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Bulk ore sorting technologies, whether surfaced based or penetrative, have seen an increased uptake by the mining industry for preconcentration application. As with all technologies...
30-Mar-2021
Anyimadu, Appeah Owusu, Peattie, Chamberlain, Aniawu – Asumakah
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
This is an integrated geology and plant improvement study arising from the heterogeneity seen in mineralogy and gold association at the Obuasi goldmine in Gh...
30-Mar-2021
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. 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
*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
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
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
Presented at 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...
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
L. Vollert, B. Akerstrom, B. Seaman, J. Kohmuench
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
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
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
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
Christopher J. Greet, John Twomey and Allen Chung
43rd Annual Meeting of the Canadian Mineral Processors, 18-20 January 2011, Ottawa, Canada
ABSTRACT
It is widely accepted that the type of grinding media has an impact on the grinding chemistry and subsequent flotation behaviour of the sulphide mi...
02-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
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
T G Vizcarra, M G Hart, A T Karbowiak and T J Napier-Munn
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
ABSTRACT
Squeezing extra performance from existing equipment (‘sweating the assets’) is key to continuous improvement initiatives, particularly during times...
20-Dec-2018
A.Y. SENCHENKO & Y.V. KULIKOV
Udokan copper deposit reserving over 26 million tons of copper is the largest copper deposit in Russia and one of the largest in the world. The deposit is located in a hard-to-reach area of the Siberian region; nevertheless, construction of a processing plant...
05-Jul-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
Brent Hilscher, Preetham Nayak, Leo Lorio, Nawoong Yoon
49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017.
Abstract
Mining has been a staple to technological advancement ever since the dawn of time. By harnessing the different physical and chemical properties...
26-Sep-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