Comminution

Comminution

Review and Optimization of the Hudbay Constancia Comminution Circuit *M. Medina1, G. Sotomayor1, V. Manchego1, J. Bonilla1, W. Valery2, R. Valle2, K. Duffy2, E. Wang2, C. Plasencia2 Hudbay Perú SAC, Hudbay Minerals Av. Jorge Chávez 235 Dpto 701, Lima, Lima 18 Hatch Pty Ltd. 61 Petrie Terrace, B...
09-Jul-2024
Mine to Flotation Process Optimization at Chinalco Toromocho OperationDai Fangrong1, Dong Yang1, Alfonso Muñoz1, Walter Valery2, Roberto Valle3, Erico Tabosa2, Joyce Siong2 and Claudia Plasencia3 Minera Chinalco, Peru Hatch, Australia Hatch, Peru *This paper was presented at Procemin-Geomet...
09-Jul-2024
Real-Time Estimation of SAG Mill Charge Characteristics for Process Optimization *P. Toor1, W. Valery1, S. Morrell2, K. Duffy1 Hatch 61 Petrie Terrace. Brisbane, QLD, 4000, Australia SMC Testing, Kenmore Hills, QLD, 4069, Australia (*Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.)*This paper was...
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
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
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
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
Semi-analytical modelling of a multi-shaft mill Carlos Les (a),∗, James M. Finley (a), Boaz Friedland (b) a) Element Digital Engineering, United Kingdom b) Energy and Densification Systems (EDS), Johannesburg, South Africa *This paper was presented at MEi Communution 23 Conference held...
18-Sep-2023
Fractal Energy: Combining fractal dimension of fracture surfaces and Size Specific Energy to describe comminution Grant Ballantyne Director of Technical Solutions, Ausenco This email address is being protected from spambots. You need JavaScript enabled to view it. *This paper was presented at MEi Communution 23 Conference held 17-20 April 2023 in Cape Town, So...
15-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
Innovations in Comminution    Greg Lane, Chief Technical Officer, Ausenco  Grant Ballantyne, Director Technical Solutions, Ausenco  Bianca Foggiatto, Director Comminution & Processing, Ausenco   Watch Full Webinar here    Agenda 1. Why focus on comminu...
12-Jul-2023
Bueno, Torvela, Chandramohan, Liedes, Powell, Chavez Matus, Published in Minerals Enginering April 2021 ABSTRACT The mining industry needs a low-cost and reliable breakage characterization test which can rapidly process a large number of samples for geometallurgical modelling. The more samples a...
09-May-2022
Erol, Wettstein, Dance Presented at Comminution '21 - April 2021 ABSTRACT Over the past few years, Pinto Valley Mine of Capstone Copper has made steady improvements in mill throughput from a combination of blasting, crushing and grinding operational changes. Detailed data collection exercises (in...
09-May-2022
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
Faramarzi, Napier-Munn, Morrison, Kanchibotla Published in Minerals Engineering July 2020 ABSTRACT The heterogeneous nature of orebodies introduces large uncertainties into all quantitative evaluations, process design and process predictions. Measuring the extent of the variability of ore compe...
09-May-2022
Bonfils, Valery, Jankovic, Duffy, Tabosa, Holtham Presented at the AusIMM Mill Operators Conference June 2021 ABSTRACT The benefits of Mine-to-Mill optimisation have been understood by the industry for many years. If well executed, with a structured methodology, the overall operation throughput (...
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
Wang, Vazirizadeh, Rosario Published in Proceedings of the IMPC2020 Congress, SAIMM ABSTRACT Advances in data science, machine learning, and artificial intelligence are transforming mining and mineral processing, and making them more algorithm intensive. The paradigm is shifting from one of detec...
19-Jul-2021
Papadopoulou, Asbjörnsson, Hulthén, Evertsson Published in Proceedings of the IMPC2020 Congress, SAIMM ABSTRACT Crushing plant managers need to assess, manage, and communicate the environmental impact induced by their crushing plant operations as a step towards the sustainable development of the...
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
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
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
Valery, Duffy, Holtham, Tabosa, Andrade Presented at the Preconcentration Digital Conference November 2020 ABSTRACT Pre-concentration has potential to significantly improve Mineral Resource efficiency by removing gangue early in the process, before energy intensive and expensive comminution and...
17-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
Anyimadu, Appeah Owusu, Peattie, Chamberlain, Aniawu – Asumakah Presented at the Preconcentration Digital Conference November 2020 ABSTRACT This is an integrated geology and plant improvement study arising from the heterogeneity seen in mineralogy and gold association at the Obuasi goldmine in Gh...
30-Mar-2021
*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
*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
*K. Tungpalan, A. Nguyen, C. Evans, E. Manlapig, K. Nguyen Presented at Procemin GEOMET 2019 ABSTRACT Ore texture represents the fundamental ore properties that significantly influence processing behaviour. However, the current measurement to obtain detailed textural information is through the Q...
23-Jun-2020