Improved classification with the Cavex® DE hydrocyclone for mill circuit, coarse particle flotation, and tailings applicationsJ J Hanhiniemi1,2, J Heo3, N Weerasekara4, E Wang5, H Thanasekaran6 and A Kilcullen7MAusIMM(CP), Director of Engineering, Weir Minerals, Brisbane Qld 4000. Email: jeremy.hanh...
20-Nov-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
Improving Energy Efficiency and Reducing Carbon Footprint at the FMR Greenfields Mill Operation
S Latchireddi (1), R Latchireddi (1), P Fallon (2), B Tully (2), and B Hooper (1)
EEMS Australia, Unit 19/12-16 East Victoria Park WA 6101, Australia, This email address is being protected from spambots. You need JavaScript enabled to view it.
FMR Greenfie...
09-Jul-2024
Review and Upgrade of the Throughput Forecast Model of Minera Los Pelambres
Francisco Abbott1, Liduvina Rodriguez1, Michel Morales1, Walter Valery2, Roberto Valle3, Rodrigo Hayashida4, Benjamin Bonfils2, Kristy-Ann Duffy2 and Claudia Plasencia3
Minera Los Pelambres, Antofagasta Minerals, Chile...
09-Jul-2024
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
Wraith, Resta, Welmans
Presented at the AusIMM Mill Operators Conference, Brisbane Australia June 23 - 25 2021
ABSTRACT
Bluestone Mines Tasmania JV, Tasmania Tin Operations recognised value in mining at or near to 1Mt/a. However, the Renison Tin concentrator is restricted at 750kt/a. The solution...
20-Jul-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
Edmunds, Wilkens, Akerstrom, Haines
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
The Ridgeway Concentrator at Newcrest Cadia was commissioned in 2002 as an ABC circuit to treat the ore from the Ridgeway sublevel cave (SLC) at around 5MTPA. Consisting of a single pinion 32’...
20-Jul-2021
Powell, Yahyaei, Mainza, Tavares
Presented at the AusIMM Mill Operators Conference Brisbane, Australia 23 - 25 June 2021
ABSTRACT
Maintaining the work balance between the primary SAG mill and secondary ball mill(s) is an overlooked bottleneck, and thus opportunity, in an increasing number of circ...
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
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
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
Frausto, Ballantyne, Runge, Powell, Wightman, Evans, Gonzalez, Gomez
ABSTRACT
The heuristic of a constant liberation by size independent of the degree of comminution has been established as a robust assumption over time. Therefore, when assessing the comminution circuit performance, achieving a fi...
07-Jun-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
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
*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
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
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
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
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
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
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
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
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
K M Bartholomew, R E McIvor and O Arafat
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
ABSTRACT
It is well known in the industry that good classification system performance is vital to efficient ball mill circuit
performance. But what is meant by good classificati...
22-Oct-2018
B PUTLAND, I LOVATT, A CERVELLIN AND D SCHWANN
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
Australia
The Mount Carlton project in Queensland's North East sits on a high-sulphidation epithermal style deposit
rich in gold, copper and silver.
Mt Carlton is an open...
27-Sep-2018
R BRADFORD, W GIFT-AGBEY, E GROBLER, P MORGAN AND T VORSTER
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
Africa
ABSTRACT
The Asanko Gold Mine in Ghana started processing ore from the Nkran pit in January 2016 at a production
nameplate of 3 Mt/a. The flowsh...
27-Sep-2018
C MCCAMLEY, P PETRUCCI AND K BLAY
14thAusIMM Mill Operators’ Conference, 29-31 August 2018, Brisbane, Australia
Australia
ABSTRACT
The Newmont Boddington Gold (NBG) processing plant was designed for 35Mt/y with ball mills expected to
deliver a combined new mill feed rate of 4837 tonnes/hr. Sinc...
27-Sep-2018
SAMAYAMUTTHIRIAN PALANIANDY, HIDEMASA ISHIKAWA AND MOHSEN YAHYAEI
Procemin-Geomet 2017, Santiago, Chile, 4-6 October 2017
A novel approach to the circuit design through smart application of conventional processing units is the most viable solution to overcome the challenges in the mining industry...
22-Jun-2018
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
Peter Amelunxen
Presented at Procemin 2016, October 26-28, Santiago, Chile.
We all know the story of froth flotation. The first patents date to 1885, when Carrie Everson discovered a method of concentrating sulfide minerals from a powdered ore using a froth phase. Everson’s process was...
26-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
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
C G KELSEY AND J R KELLY (1)
PRESENTED AT IMPC 2016: XXVIII INTERNATIONAL MINERAL PROCESSING CONGRESS PROCEEDINGS, SEPTEMBER 11-15, QUEBEC CITY, CANADA
ABSTRACT
Dry crushing trials at pilot scale have shown that the IMPTEC Super-fine Crusher has the capacity to generate ultra-fine products from h...
18-Jul-2017
C CARRASCO1 2, L KEENEY 1 2, T J NAPIER-MUNN2, P BODE1
PRESENTED AT COMMINUTION ’16, MINERALS ENGINEERING INTERNATIONAL, PUBLISHED IN MINERALS ENGINEERING VOLUMES 103-104, BARRY WILLS (ED), APRIL 2017.
ABSTRACT
Grade Engineering® comprises a range of techniques aiming to reje...
18-Jul-2017
Bridging the gap: Understanding the economic impact of ore sorting on a mineral processing circuit
J Lessard (1), W Sweetser (1), K Bartram (2), J Figueroa (1) and L McHugh (1)
ABSTRACT
Automated, continuous ore sorting is a mature technology that has only been used to a limited extent...
26-May-2017
Significance of Exposed Grain Surface Area in Coarse Particle Flotation of Low-Grade Gold Ore with the Hydrofloat ™ Technology
J D Miller (1), C L Lin (1), Y Wang (1), M Mankosa (2), J Kohmuench (2) and G Luttrell (3)
IMPC 2016: XXVIII International Mineral Processing Congress Proceedings, Septemb...
26-May-2017
Technical Review and Evaluation of Ore Sorting Technology Incorporating Results from Four Properties
B Hilscher (1), P Nayak (1) and N Yoon (1)
49th Annual Canadian Minerals Processors Conference Proceedings, Ottawa, Canada, 2017.
ABSTRACT
The mining industry is currently facing chal...
26-May-2017