Regino, Wong, Lopez, Adams, Hobert, Wasmund
ABSTRACT
The use of fluidized beds to enhance the flotation efficiency of coarse particles has been practised industrially using Eriez’ HydroFloat® separator in phosphate and potash for many years and has recently been successfully extended to sulfide m...
12-Oct-2021
Radford, Lovatt, Putland, Becker
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
The Gruyere Gold Project was discovered by Gold Road Resources Limited in October 2013 on the Yamarna Belt 200km east of Laverton in Western Australia. The Feasibility Study for Gruyere, which wa...
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
McIvor, Bartholomew, Arafat, Daavettila, Savola
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
Ball mill media sizing investigations were carried out for the ball mill circuits grinding minus 12.5mm crushing plant product at Lundin’s Eagle Mine base metal concentrator in Hum...
20-Jul-2021
Bartiea, Reutera
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Metals make modern societies function, and increasingly, various high purity precious and special metals endow sustainability-driving technologies with specific functionalities. These metals become heavily intertwi...
19-Jul-2021
Llamas, Korolev, Altinkay, Nikolopoulos, Haapalainen, Kolehmainen, Lundström, Geitenbeek, Weckhuysen, Stelter, Reuter
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Having a circular society where the residue generation is minimised is one of the challenges of our society. The...
19-Jul-2021
Ghoreishi-Madiseha, Shadi, Rafezi, Sasmito, Manouchehri, Hassani
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Weakening rocks by taking advantage of microwave-induced microcracks is a promising solution for comminution processes. This paper investigates the effects of microwa...
19-Jul-2021
Agbenuvor, Antonio, Jokovic,and Morrison
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Body breakage usually involves breakage of particles by compression between two surfaces or impacted against a rigid surface, with the latter of interest in this current study. This mode of...
19-Jul-2021
Published in Proceedings of the IMPC2020 Congress, SAIMM
Filippov, Tripathy, Filippova, Diot
ABSTRACT
Among different pre-treatment methods, a high voltage electric pulse was recently developed and is gaining popularity due to multi-benefits such as pre-weakening along the grain boundaries, as we...
12-Jul-2021
Published in Proceedings of the IMPC2020 Congress, SAIMM
Authors
Senchenkoa, Kulikov
ABSTRACT
The relationships revealed between ore hardness and specific energy consumed by crushing and grinding are described in the paper. A comparison of key technical and economical parameters of SAG and HPGR...
12-Jul-2021
Roper, Borissenko, Daniel
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Eccentric High Pressure Centrifugal Comminution (eHPCC) is a novel comminution device that provides a single step to achieve a desired target grind size. The mechanisms within the unit mirror particle brea...
18-May-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
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
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
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
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
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
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
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
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
S. Michaux & L. O'Connor
ABSTRACT
Geometallurgy is a comparatively new discipline in mining that involves the fundamental integration of multiple conventional technical areas of the industry, where the outcome is a genuinely new methodology. It can be a daunting prospect to be tasked with desi...
08-Jun-2020
M. Bueno, B. Foggiatto, G. Lane
SAG Conference Vancouver, Canada September 22 – 26, 2019
ABSTRACT
This paper presents an assessment and trade-off study of high-pressure grinding rolls (HPGR)-based vs. autogenous grinding (AG)-based milling options for a 65 kt/d copper/gold project. The study rel...
05-May-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
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
Abstract
More complex ore bodies with lowering grades increase the challenges of maintaining high throughput, energy efficiency and required particle size for optimal downstream processing in grinding circuits. Continuous and often rapidly changing characteristics of the mill feed requires consta...
26-Nov-2015