Souto, Bechir, Esteves, Galery, Senna
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
The current moment experienced by the mineral industry is marked by a series of economic, social and environmental challenges. Among the main challenges, it is important to highlight...
13-Apr-2021
Rutter, Scott, Odiar, Federov, Francois-Bongarcon
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
There are two fundamental methods for metalliferous sensing of primary crushed ore available for deployment at operations. These methods can be classed as surface measure...
13-Apr-2021
Robben, Kobzev
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Sensor-based particle sorting of gold ores is the masterclass of preconcentration. The technical challenges of a grade in ppm scale makes a direct detection with currently available technology in milliseco...
13-Apr-2021
Noble, Ferguson
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
The mining industry is facing economic pressures to treat more challenging and lower grade ore types, as well as pressure relating to environmental impact and social license to operate. Preconcentration t...
13-Apr-2021
Luo, Danoczi, Nakutnyy
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Sensor-based sorting methods to remove waste or for upgrading ore prior to downstream metallurgical processing is becoming more prevalent for mining operations. X-ray transmission (XRT) sorters are...
13-Apr-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
Koh, Amini, McLachlan, Beaton
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Preconcentration greatly reduces the ore mass input to the processing plant while upgrading the grade. One of the commonly used methods of preconcentration is optical sorting. These methods r...
13-Apr-2021
Coghill, Curtain, Lovric, McEwan, Milinkovic, Miljak, Roberts, Stefulj, Yong
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
The CSIRO has pioneered the development and use of certain classes of magnetic resonance (MR) for mining applications. The MR technique is a rad...
13-Apr-2021
Blouin, Gagnon, El-Haddad, Soares de Lima Filho, Vanier, Harhira, Bouchard, Boismenu, Hamel, Beauchesne, Padioleau, Vaillancourt, Plugatyr, Sabsabi, Wilkie
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Quantitative mineralogy is an established discipline in the geosc...
13-Apr-2021
Auranen, Raatikainen
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
ON-LINE SENSORS IN PRE-CONCENTRATION – 25 YEARS OF EXPERIENCE
IMA Engineering (IMA) and Mine On-Line Service (MOLS) companies have used on-line sensors for analysing ore and waste rock in mining for...
13-Apr-2021
Coghill, Cutmore, Carter, Millen, Haarlem
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Due to the low concentration of gold, ore sorting for gold has always required measuring indirect properties, such as density or colour, to allow separation on a rock by rock basi...
13-Apr-2021
Scott, Rutter, du Plessis, Alexander
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
It is generally acknowledged that bulk ore sorting is an attractive prospect for the mining industry. However, uncertainties relating to the operational performance of sensor technolog...
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
Parry
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
In May 2018 Kasbah Resources Limited (“Kasbah”) completed an ore sorting test work program which was a precursor to releasing in July 2018 an updated Definitive Feasibility Study (“DFS”) for the Achmmach Tin Project...
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
BoBo, La Rosa, Cameron
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Efficient pre-concentration using natural and induced deportment starts with effective blast design. Leveraging these characteristics using Size-Based Grade Engineering® techniques requires detailed...
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
Pyle, Valery, Holtham, Duffy
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
A conceptual scoping study was conducted to investigate pre-concentration options for upgrading ore from an Ag-Pb-Zn deposit. The low grade of the ore would result in only modest economic returns, given...
30-Mar-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
Jenkin, Revell
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
This paper presents an analysis of significant Australian-based R&D programs focussed on the minerals industry, which was commissioned by CRC ORE. The landscape analysis may assist organisations with R&...
30-Mar-2021
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 repr...
22-Jun-2020
Larson
Presented at the SAG Conference Vancouver, Canada September 22 – 26, 2019
Abstract
While stirred mills in regrind and fine grinding duties have become more accepted, there continue to be questions about the testwork used for scaleup and comparisons. One reliable reality check for any futur...
01-Jun-2020
T. Robinson, B. Widdows and J. Rosenberg
MetPlant 2019, September 9-10, Perth, Australia
POSTER ABSTRACT
Increasing mill availability is a key improvement to the productivity of most mine sites. Mills are often running at maximum capacity, consequently any downtime reduces the mine output. O...
25-Sep-2019
G Borg, O Scharfe, A Kamradt, and N Meyer
MetPlant 2019, September 9-10, Perth, Australia
POSTER ABSTRACT
High-velocity impact breakage is an option to increase comminution efficiency significantly. The widespread application of traditional ball mills and SAG mills in comminution is cha...
25-Sep-2019
R Diaz-Colunga, S Gomez-Hernandez and R Espinosa-Gomez
MetPlant 2019, September 9-10, Perth, Australia
ABSTRACT
Fresnillo Plc (Fresnillo) is a Mexican Company owned by the “BAL Group”, focused on the production of gold and silver. It was established in 2008, initially consisting of three com...
24-Sep-2019
C J Greet, D Morgan, J Davis, G Small and X du Toit
MetPlant 2019, September 9-10, Perth, Australia
ABSTRACT
Laboratory test work completed on samples of Northparkes ore indicated that shifting from forged steel to more electrochemically inert high chrome grinding media produced a more oxidi...
24-Sep-2019
S.Morrell
MetPlant 2019, September 9-10, Perth, Australia
ABSTRACT
Whether it is for the purposes of the design of new comminution circuit, a brownfield expansion or a geometallurgical program, one of the principal keys to success is to “know your orebody”. To do so requires the formulation and e...
24-Sep-2019
K Ehrig, V Liebezeit, M Smith, B Pewkliang, Y Li and E Macmillan
MetPlant 2019, September 9-10, Perth, Australia
ABSTRACT
Copper-(Fe)-sulfide ore deposits typically have Cu grades varying from 0.5 to 5%. This equates to approximately 1.5 to 15% sulfide minerals, hence 85 to 98.5% of the rema...
24-Sep-2019
T. Waters, A. Rice, J. Seppelt, J. Bubnich, B. Akerstrom
14th AusIMM Mill Operators' Conference 2018, 29-31 August, Brisbane
ABSTRACT
The Concentrator 1 plant at Cadia transitioned from Cadia Hill open pit to the Cadia East block cave ore body in 2013. As a result of this change, major plant upgr...
01-Jul-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
K. Bhadani, G. Asbjörnsson, E. Hulthén, M. Bengtsson, M. Evertsson
Comminution '18, 16-19 April 2018, Cape Town, South Africa.
ABSTRACT
Optimization is a pivotal point in distinguishing the competitiveness between industries that are developing, designing and operating products and pro...
24-Apr-2019
A Hinde, E. Ford, J. Makola, A. Jain
Copper Cobalt Africa, 10-12 July 2018, Livingstone, Zambia
ABSTRACT
A large contributor to the energy consumption of metallurgical plants is the mill circuit. A popular circuit configuration is one involving a primary open-circuit semi-autogenous mill fol...
23-Apr-2019
J.STARKEY1, B. HILSHER2, S. REEVES3 and J. HEDDERSON4
J. Starkey (1), B. Hilscher (2), S. Reeves (3) and J. Hedderson (4)
1. Sacré-Davey Engineering, and Starkey & Associates Inc, Oakville, Canada. Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
2. Sacré-Davey Engineering, Oakville,...
23-Apr-2019
F. Wang, B. Klein, P. Rosario
Preliminary sizing and selection of an HPGR using piston-die press tests, 51st Canadian Mineral Processors conference, 22-24 January 2019, Ottawa, Canada
ABSTRACT
Current industry practice for HPGR assessment and sizing relies on conducting a series of tests using pi...
19-Feb-2019
B. Simonian
Mount Milligan mine performance update, 51st Canadian Mineral Processors conference, 22-24 January 2019, Ottawa, Canada
ABSTRACT
The Mount Milligan mine, located in central British Columbia, began operation in September 2013 with a design nameplate capacity of 62,500 dry metric tonnes...
19-Feb-2019
O. Mejia and B. Klein
Maintaining grinding efficiency and mill throughput when liners wear, 51st Canadian Mineral Processors conference, 22-24 January 2019, Ottawa, Canada
ABSTRACT
A study was undertaken to investigate the relationship between mill liner wear and grinding energy efficiency and to...
19-Feb-2019
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
S Palaniandy, R Halomoan and H Ishikawa
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
ABSTRACT
The Karara iron ore project is a magnetite operation consist of open pit mining and concentrator to produce high-grade magnetite concentrate. The concentrator has ad...
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
E Baawuah, C Kelsey, J R Kelly, J Addai-Mensah and W Skinner
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
ABSTRACT
Comminution continues to be the most capital-intensive unit operation in mineral processing. The fundamental purpose of comminution is to libera...
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
Rajiv Chandramohan, Robert Braun, Greg Lane, Kirsty Hollis, Johnson Le, Dirk Baas
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
ABSTRACT
The Phu Kham Copper-Gold Operation (Phu Kham) is located in northern Laos, approximately 140 kilometres from the capital, Vienti...
20-Dec-2018
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
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
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
MANOEL MORALES, CASSIO COSTA, TIAGO CAIXETA, CARLOS QUINTERO
Procemin-Geomet 2015, Santiago, Chile, 21-23 October, 2015
For Brazilian iron ore producers, reverse cationic flotation is preferred to obtain high quality concentrates from silicate ores. The SiO2 (silica) particles are rende...
15-Aug-2018