CAN WE SHIFT TO A NEW PARADIGM OF FLEXIBILITY IN MINING AND PROCESSING TO BUILD MINES POWERED EXCLUSIVELY BY THE VARIABLE INPUT OF RENEWABLES?
* M.S. Powell1,2, A. Reynolds3, S. McCrae4, J. Agnew5, R. Bracey5, D. Way5, C. Phasey6, T. Littlechild7, D. Manning7
Sustainable Minerals Institute, Univ...
09-Jul-2024
Trade-Off Realities in HPGR vs. SAG Milling—A Practical Comparison of Tropicana and Gruyere Comminution Circuits
*I.A. Lovatt, M. Becker and B. Putland1, R. Radford2, J. Robinson3
Orway Mineral Consultants Level 5, 1 Adelaide Terrace, East Perth, Western Australia 6004
Gold Fields Level 4, 235...
09-Jul-2024
Evaluation of a novel electrode design for high voltage pulse ore pre-concentration
Daniel Lay, Fengnian Shi, Christian AntonioJulius Kruttschnitt Mineral Research Centre, Sustainable Minerals Institute, The University of Queensland, Indooroopilly, Brisbane, 4068 QLD, Australia
*This paper was pub...
09-Jul-2024
MODIFIED BOND AND RITTINGER ENERGY-SIZE RELATIONSHIPS FOR LABORATORY FINE GRINDING A. Jankovic1#, W. Valery1, M. Sederkenny2, K. Duffy1
Hatch, 61 Petrie Terrace, Brisbane Qld, 4000 Australia
Queensland Alumina Limited, Gladstone, Qld, Australia
*This paper was presented at the 2023 Internatio...
09-Jul-2024
The Novel EDS Multishaft Mill – A Case Study
B.E. Friedlanda*, T. Chenjeb, C.K. Oberholzera
Energy & Densification Systems, Bryanston, Johannesburg 2191, South Africa
Anglo American – Technology Development, Brisbane City, QLD 4000, Australia
*Corresponding author email: This email address is being protected from spambots. You need JavaScript enabled to view it....
09-Jul-2024
The Intersection of Mining and Decarbonisation: Challenges and Opportunities
C Meinke1, L Jackson2, K Erwin3, R Chandramohan4
Operations Optimisation, Senior Process Consultant Ausenco, 401 9th Ave Suite 1430 Calgary AB , This email address is being protected from spambots. You need JavaScript enabled to view it.
Operations Optimisation, Process Consultant, Au...
09-Jul-2024
Potential and impact of sensor based sorting on the grinding circuit performance for a polymetallic ore
Priscila M. Esteves1*, Lucas Monteiro Correa e Lopes2, Pablo dos Santos Pina2, Wellington Gomes3, Thiago Jatobá3
Steinert Latinoamericana, Pedro Leopoldo, Brazil
Nexa Resources, Aripuanã, Br...
09-Jul-2024
Pilot Testing and Plant Design Comparison of Dry VRM Milling plus Magnetic Separation with AG and Ball Milling plus Magnetic Separation for Grange Resources' Southdown Ore
D David1, C Stanton2, D. Olwagen3, Dr C Gerold4, C Schmitz5, S Baaken6, M Everitt7
FAusIMM CP(Met), Senior Consultant, Woo...
09-Jul-2024
Will AG Milling Make A Comeback?
*M. S. Powell1, A. N. Mainza2, L. M. Tavares3, M. Yahyaei4, D. K. Weatherley4, A. Vien5, M. Mular5, &G. R. Ballantyne6
1 Liner Design Services, 241 Jesmond Rd, Fig Tree Pocket, 4069, Queensland, Australia
2 Centre for Minerals Research (CMR), Dept of...
23-Feb-2024
Commercialisation Pathway for Low Energy Gyratory Rolls Crusher Technology
M Drechsler1, W Skinner2
1. Mark Drechsler, Director, CBSM Mining Services Pty Ltd, Adelaide SA 5167, This email address is being protected from spambots. You need JavaScript enabled to view it.
2. William Skinner, Research Professor, Future Industries Institute, University of South Australia, M...
15-Dec-2023
Commercialisation pathway for low energy wet/dry gyratory rolls crusher comminution technology
Mark Drechsler a, William Skinner b c
aDirector, CBSM Mining Services Pty Ltd, Adelaide, SA 5167, Australia
bFuture Industries Institute, University of South Australia, Maw...
07-Nov-2023
PRESENTATION - Potencial and Impact of Sensor Based Sorting on the Grinding Circuit Performance for a Polymetallic Ore
Priscila M. Esteves1*, Lucas Monteiro Correa e Lopes2, Pablo dos Santos Pina2, Wellington Gomes3, Thiago Jatobá3
¹ Steinert Latinoamericana, Pedro Leopoldo, Brazil
²Nexa Res...
18-Sep-2023
POTENCIAL AND IMPACT OF SENSOR BASED SORTING ON THE GRINDING CIRCUIT PERFORMANCE FOR A POLYMETALLIC ORE
Priscila M. Esteves1*, Lucas Monteiro Correa e Lopes2, Pablo dos Santos Pina2, Wellington Gomes3, Thiago Jatobá3
¹ Steinert Latinoamericana, Pedro Leopoldo, Brazil
²Nexa Resources, Ar...
18-Sep-2023
Pumping sustainably - power and water consumption in mineral processing plants: someone should care
A Varghese1 4 S Martins2, E Lessing3, G M Hassan5 and A Karrech6
Business Development Manager - Pumps, Metso Outotec, Perth WA Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Research and Development Engineer,...
12-Jul-2023
Helping to reduce mining industry carbon emissions: A step-by-step guide to sizing and selection of energy efficient high pressure grinding rolls circuits
Stephen Morrell SMC Testing Pty Ltd, Australia
Keywords: Comminution, Energy efficiency, Carbon emissions, High pressure grinding rolls
ABSTRA...
12-Jul-2023
Shelley, Davies, Olivier and Atta Danso
ABSTRACT
This paper reflects on how measurements from inside an operating SAG mill might be used to better understand throughput, mill wear and energy dissipation within the mill. The paper discusses how the measurements might influence and enhance approach...
09-May-2022
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
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
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
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
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
Hassani, Shadi, Rafezi, Sasmito, Ghoreishi-Madiseh
ABSTRACT
Enhancing the energy-effectiveness of microwave-assisted fragmentation is one of the overlooked areas in the published literature. A novel calorimetric technique is proposed to quantify the effect of inductive heating within a microwave c...
07-Jun-2021
A high-level study into mining energy use for the key mineral commodities of the future.
Author
Marc Allen, Technical Director, engeco
Report commissioned by The Weir Group PLC
Executive Summary
The mining industry plays a critical role at the heart of modern global economy, extracting and pro...
10-May-2021
Gursky, Kuzio, Krot, Zimroz
Abstract
The low energy efficiency and excessive power of electric motors of large-scale vibrating machines for processing bulk materials motivated a new design of the inertial drive. This drive consists of one motor and two coaxial unbalanced masses, whose rotational f...
19-Apr-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. 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
Newmont Goldcorp’s Peñasquito operation, located in the state of Zacatecas in northwest Mexico, is cur...
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
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
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
Already have a plant? What eco-efficient comminution could mean for you.
15-Jan-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 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
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