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
Development of Fine High-Pressure Grinding for Mineral Processing Plants
*Robert McIvor1, Claude Gagnon1, Bern Klein2, & Amit Kumar2
Corem 1180 rue de la Mineralogie Quebec City, Quebec, Canada G1N 1 X7
University of British Columbia Vancouver, British Columbia, Canada V6T 1Z4
(*Correspo...
09-Jul-2024
Performance Analysis of HRC™ HPGR in Manufactured Sand Production
Júlio Cesar Figueiredo de Almeida 1,2,*, Homero Delboni, Jr. 2, Rafael Bento 3, Alfredo Reggio 2 and Everson Cremonese 2
Metso Outotec, Sorocaba 18087-101, Brazil
Department of Mining and Petroleum Engineering, University of Sao...
09-Jul-2024
Operational Debottlenecking of the Cadia 40-Foot SAG Mill Through Constraint Mapping Analysis
*C. Geoghegan1 and C. Haines1*C. Geoghegan1 and C. Haines1
Newcrest Mining Limited
Cadia Mine Site, Cadia Road, Orange NSW 2800
(*Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.)
*This paper wa...
05-Mar-2024
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
A HPGR pseudo-dynamic model approach integrated with real-time information for pressing iron ore concentrates in industrial-scale
T M Campos1, H A Petit2, R Olympio3 and L M Tavares4
1. Research assistant, Department of Metallurgical and Materials Engineering, Universidade Federal do Rio de Janeir...
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
Ballantyne, Foggiatto, Staples, Lane
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
Vertical stirred mills are more frequently being applied at coarser grinding duties as a replacement for ball milling. This trend is being driven by reductions in footprint and operating cost...
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
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
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
*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
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. 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
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
EGBERT BURCHARDT & THOMAS MACKERT
*Egbert Burchardt & Thomas Mackertthyssenkrupp Industrial Solutions, Grinding Technology –Mineral Processing, Graf-Galen-Str. 17, 59269 Beckum, Germany (*Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.)
SAG Conference Vancouver, Canada September 22...
06-Jan-2020
*SAMI MAKNI1, REMI LAPOINTE2, CHRISTINE CROTEAU1 & DAISUKE SATO2
1COREM1180, rue de la Minéralogie, Québec, Québec, Canada, G1N 1X7
2Project Côté Gold(Iamgoldand SMM)1111, Saint-Charles Street West, East Tower, suite 123Longueuil, Quebec, Canada, J4K5G4 (*Corresponding author: sami.makni@corem...
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
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
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
HENNING KNAPP1, STEPHAN HANNOT1, & FRANK VAN DER MEER1
ABSTRACT
High pressure grinding rolls (HPGR) are an energy efficient solution for comminution of industrial minerals and metal ores. The technology is successfully applied in an expanding field of applications throughout the minerals indus...
06-Jan-2020
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
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
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
A.Y. SENCHENKO & Y.V. KULIKOV
Udokan copper deposit reserving over 26 million tons of copper is the largest copper deposit in Russia and one of the largest in the world. The deposit is located in a hard-to-reach area of the Siberian region; nevertheless, construction of a processing plant...
05-Jul-2018
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 by three stages of ball...
26-Oct-2017
G Lane, C Morley, D Yataco and I RitchieMetPlant 2017 – Metallurgical Plant Design and Operating Strategies – World’s Best Practice, 11-12 Sep 2017, Perth, Australia
AbstractMarcobre SAC (Marcobre) is developing the Mina Justa project in Peru. The project has a lower grade oxide orebody overlaying...
26-Oct-2017
Holger Plath, Holger Plath, Christoph Beyer, David Kruth, Johann Knecht, Wolfgang Baum
49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017.
Abstract
Although HPGR technology has been recognized since the late 1980s as a potential powerful tool f...
26-Sep-2017
Ryo Kawarabuki, Masato Kosugi, J.V. Satur, K. Mitsuhashi, M. Kawata, Yoshiaki Kon, B. Calabia, T. Takagi, G. Dodbiba, Kengo Horiuchi, Chiharu Tokoro, Yusuke Iwazaki, and Toyohisa Fujita
49th Annual Conference of Metallurgists, Vancouver, Canada, August 27-30, 2017.
Abstract
The liberation of copp...
26-Sep-2017
CEEC Director Ivan Mullaney spoke at the Mining Strategic Excellence conference in North America about the importance of energy efficiency and the need for innovation. CEEC's contribution to innovation is significant. The website provides a platform that keeps industry informed about innovative pr...
15-Jul-2016
Abstract
Reduction of energy consumption at Jhamarkotra Phosphate concentrator of M/s Rajasthan State Mines and Minerals Ltd was achieved in three stages (1) stabilizing the through put as per the norms of the detailed feasibility report of the project to achieve energy consumption to 53 - 56 kWh...
17-Jan-2016
Day Two of the International Mining and Resources Conference down in Melbourne opened with a bang on Wednesday 11 November 2015. After a fascinating talk from McLaren Applied Technologies on how the F1 industry has innovated by applying existing technologies in different ways, Tony O'Neill, Technica...
02-Jan-2016
The recent IMARC conference included a session on productivity in mining, addressing energy, systems and labour themes. Speakers for the session included CEEC Director Dr Zeljka Pokrajcic, and Anita Stadler from the Australian Alliance to Save Energy.
Dr Pokrajcic presented a brief profile of CEE...
07-Dec-2015
ABSTRACT
The inherent conservatism of the mining industry is well understood, but the current hurdles encountered with financing new projects have complicated instances when new technologies such as high pressure grinding rolls (HPGR) are considered, especially if it translates into higher capita...
25-Nov-2015
Volume Title: 12th Mill Operators' Conference 2014
The Julius Kruttschnitt Mineral Research Centre has conducted an intensive VertiMill® (VTM) survey program at the Cannington mine concentrator as part of the ‘collaborative research in stirred milling technology’ program funded by Metso Minerals. Si...
15-May-2015
Mathematical modeling in conjunction with mineral characterization is widely used as a method for design and optimization of comminution circuits, to simulate the processes of crushing, grinding and classification. An important input parameter to the simulation models is the Run-of-Mine Particle Siz...
15-May-2015
Abstract
DRAMP was approached by the ARM/Lion Ore JV during July 2006 to conduct a feasibility study and Control Budget Estimate for a new Greenfield’s project for their NKOMATI Ni mine 45km east of Machadadorp. The scope included the evaluation and review of previous studies as well as a techno-...
17-Apr-2015
There are a lot of good reasons to manage energy use at mining operations. Optimizing process energy use reduces operating costs. Tracking energy use can help identify unplanned process changes or malfunctioning equipment early, which allows problems to be corrected promptly.
Sacré-Davey Engineer...
03-Apr-2015
Orway Mineral Consultants Ltd (OMC) as a consultancy has specialized in comminution circuit design for over 30 years. The OMC Power Model is OMC’s in-house software for specific grinding energy power-based circuit calculations. The model uses ore hardness parameters from testwork, circuit configurat...
03-Apr-2015
Niobec has been using vibrating screens and screw classifiers as a double stage classification in its grinding circuit since the very beginning of its operation in St- Honoré. Most of the other mineral processing plants around the world uses cyclones as the classification device in their grinding ci...
03-Apr-2015
New Gold Inc.’s New Afton concentrator commenced operation in June 2012, producing a copper-gold-silver concentrate. During the first two years of operation, various optimization efforts have improved mill throughput, recoveries and concentrate grade. Daily mill throughput has increased 20% above th...
03-Apr-2015
Abstract
Optimisation and better control of milling circuits require extensive modelling of milling data. This paper extends the enquiry to the use of the attainable region (AR) technique to determine the optimal residence time of ore in a ball mill. It also evaluates the energy requirements of the...
03-Apr-2015
Abstract
The total energy consumption for ore comminution will further increase within the next decades. One contribution to minimise the increase is to use more efficient comminution equipment. Vertical-roller-mills (VRM) are an energy-efficient alternative to conventional grinding technology. O...
03-Apr-2015
Abstract
Stirred mill power has been modelled empirically, adimensionally and computational intensively through the use of the discrete element method and computational fluid dynamics. To this range of power modelling efforts, one more is added through the development of a shear based power for s...
03-Apr-2015
The key themes for the 2014 Workshop were best practice and benchmarking. The workshop took place in Vancouver over a 2-day period. Each day included keynote speakers who set the scene for the participants prior to break our sessions for discussion. Keynote speaker topics included, but were not limi...
02-Apr-2015
Edge effect is the widely observed condition of impaired comminution performance at the edges of High Pressure Grinding Roll (HPGR) tires. This effect is caused by a reduction in the local crushing pressure at the edges of the tires resulting from the interaction between the static cheek plates and...
16-Mar-2015
High Pressure Grinding Rolls (HPGR) technology is the continuous version of the confined particle-bed breakage. Feed size distribution has a key role in total specific energy consumption and product size reduction. Fines in the HPGR feed are defined as relatively small particles that should not unde...
16-Mar-2015
CITIC SMCC has developed a comprehensive system for the design and optimisation of comminution circuits, which is primarily based on the broad range of comminution simulation models developed by Dr. Stephen Morrell and validated against CITIC SMCC’s large industrial database generated by over 150 op...
16-Mar-2015