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

Friedland, Royal Published in Proceedings of the IMPC2020 Congress, SAIMM ABSTRACT Energy & Densification Systems (EDS) has developed patented new technology crushing/milling equipment. The EDS MultishaftMill is a compact vertical mill –utilising high-speed impacts to break down particles wit...

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

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

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