Secondary Materials in the European Aggregate Market – What is Feasible Now?
Lee, C.*, Dacklin, L., Asbjörnsson, G., Hulthén, E., & Evertsson, M.
*Chalmers University of Technology, This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract: The take-make-waste linear economic model used across the globe for production is no...
12-Jul-2023
Closing the Loop – Integrated Recycling
Aaron Taylor – Wardell Armstrong International
Closing the loop on critical materials will alleviate the huge vulnerability existing in our supply chain security. Circular economies must begin with sustainable production, followed by moving away from linear...
12-Jul-2023
Comparative studies on the quality of recovered secondary graphites from the recycling of lithium-ion traction batteries
Jens Markowski1, Prof. Harvey Arellano-Garcia1, André Meissner2, Prof. Jörg Acker2,
1 Brandenburg University of Technology Department of Process- and Planttechnology Burger Chau...
12-Jul-2023
A study on the effect of particle size on the recycling of Li-ion batteries via froth flotation and perspectives on selective flocculation
Tommi Rinne1, Mohazzam Saeed1, Rodrigo Serna Guerrero1,* 1 Department of Chemical and Metallurgical Engineering, School of Chemical Engineering, Aalto Universit...
12-Jul-2023
Enhancing nickel grade and recovery with counter-current washing of the concentrated bubbly-zone of a single stage REFLUX™ Flotation Cell
Peipei Wang, Meolla Yvon, Siân Parkes, Kevin P. Galvin
ARC Centre of Excellence for Enabling Eco-Efficient Beneficiation of Minerals, Newcastle Institute for En...
12-Jul-2023
Comparison of chemical and biological methods with the effect of chloride on the recover of nickel and cobalt from nickel concentrate
Tiina Heikola1 *, Marja Salo1, Jarno Mäkinen1, Quentin Dehaine2, Martina Bertelli2, Pasi Heikkilä2, Päivi 2 Kinnunen1 3 1
VTT Technical Research Centre of Finland L...
12-Jul-2023
Novel agglomeration process for nickel beneficiation
1. PhD Student, ARC Centre of Excellence for Enabling Eco-Efficient Beneficiation of Minerals, Newcastle Institute for Energy and Resources, University of Newcastle, Callaghan NSW 2308. Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
2. Research Ass...
12-Jul-2023
Evaluating battery minerals supply sustainability through production prediction in a move towards green energy transition
Anahita Jannesar Niria,* Steven E. Zhangb Gregory A. Poelzerc, , Jan Rosenkranzd, Maria Petterssone, Yousef Ghorbanig
a Department of Civil, Environmental, and Natural Resource...
30-Jun-2023
Preliminary investigation into lithium extraction by phosphoric acid leaching of spodumene
Justin Paris, Shiva Mohammadi-Jam, Ronghao Li, Jingyi Liang, Hak Jun Oh, Ozan Kökkılıç, Sidney Omelon, Kristian E. Waters*
Department of Mining and Materials Engineering, McGill University, 3610 Rue Universi...
30-Jun-2023
ESG IMPROVEMENTS THROUGH SENSOR-BASED SORTING FOR LITHIUM PEGMATITE ORES
Priscila M. Esteves1, Lutke von Ketelhodt 2, Lerato Kotelo2, Victoria Karem3
1 Steinert Latinoamericana, Pedro Leopoldo, Brazil
2 Steinert GmbH, Cologne, Germany
3 Steinert US, Cincinnati, United States
HIGHLIGHTS
• Appl...
30-Jun-2023
Lithium hydroxide for a circular economy
Peter Ehrena a
S Lithium Ark Holding B.V., Savelsbosch 4, Maastricht, 6228 SB, Netherlands
Abstract
Although lithium is widely distributed on Earth, there are few commercial sources where lithium is found in concentrated values suitable for producing lit...
30-Jun-2023
Assessing the feasibility of the Inflation Reduction Act’s EV critical mineral targets
Jenna N. Trost 1 & Jennifer B. Dunn 1,2
Electric vehicle batteries contain many internationally sourced critical minerals. Seeking a stable mineral supply, the US Inflation Reduction Act sets a market-va...
30-Jun-2023
Towards an understanding of Voluntary Sustainability Initiatives in the extraction and processing of lithium-ion battery cathode precursor materials: Preliminary results
Bernardo Mendonca1 *, Stephen A. Northey1, Damien Giurco1 1
Institute for Sustainable Futures. University of Technology Sydney B...
30-Jun-2023
Lithium and the Energy Transition: Cornish Lithium as a Case Study for Responsible Mineral Extraction
L.Cranea
aCornish Lithium, Cornwall, UK
Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Keywords: lithium; lithium-ion batteries; sustainable mining; circular economy; energy transition.
ABSTR...
30-Jun-2023
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
Chandramohan, Bodurov, Kolev, Weerasekara, Lane
Presented at MEI Comminution '21 - April 19 - 22
ABSTRACT
Improving the grinding efficiency in tumbling mills is essential to minimising comminution energy consumption. Over the years, fundamental insights gained from ball mill operation provided en...
09-May-2022
D R Seaman, Li, Lamson, B A Seaman and Adams
Presented at the AusIMM Mill Operators Conference Brisbane, Australia 23 - 25 June 2021
ABSTRACT
Red Chis Mine, operated by Newcrest Mining Ltd, is a copper-gold mine located in Northern British Columbia, Canada. The process plant produces an auriferou...
09-May-2022
Valery, Valle, Roberto, Duffy, Holtham, Tabosa, Plasencia
Presented at Procemin-GEOMET 2020
ABSTRACT
At a time when the industry is faced with declining head grades, increasing operating costs, and problems associated with water and energy supply, pre-concentration offers hope. Pre-concentration...
22-Nov-2021
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
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
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
Yahyaei, Ye, Hilden, Ruiz, Gavelan
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
Stockpiles and bins are an integral part of every mineral processing plant, and their design and operation play a significant role in plant performance. Size segregation, which is a common phen...
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
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
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
Oblokulov, Green, Van Der Spuy, Becker
Presented at the AusIMM Mill Operators Conference June 2021
ABSTRACT
One of the blessings associated with operating a modern metallurgical facility is the multitude of technologies, techniques and processes available to improve and optimise circuits. Circuit...
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
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
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
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
Llamas, Korolev, Altinkay, Nikolopoulos, Haapalainen, Kolehmainen, Lundström, Geitenbeek, Weckhuysen, Stelter, Reuter
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Having a circular society where the residue generation is minimised is one of the challenges of our society. The...
19-Jul-2021
Di Feoa, Volcheka, Morina, Demersa, Mortazavia
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
The objective of this paper was to investigate the possibility of reducing process (fresh) water and increasing recycled water (thickener tank overflow water). As part of the investiga...
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
Pechea
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Since 1952, Bond’s equation has been used as a standard to predict the specific energy of grinding for a given duty. The Bond’s equation considers that the exponent is constant for all conditions. Hukki, in 1961, pointed out...
19-Jul-2021
Jiancheng He, Shijie Lu, Qiheng Zhu, DuboWang, Xiaoxu Sun, Jianchao Yao
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Tower mill is considered to have a better regrinding and fine grinding effect compared with ball mill, and its application is much broader. The spiral agitator...
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
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
Published in Proceedings of the IMPC2020 Congress, SAIMM
Filippov, Tripathy, Filippova, Diot
ABSTRACT
Among different pre-treatment methods, a high voltage electric pulse was recently developed and is gaining popularity due to multi-benefits such as pre-weakening along the grain boundaries, as we...
12-Jul-2021
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Flotation concentrate originating from the Asarel-Medet porphyry copper mining and processing complex in Bulgaria has been subjected to regrinding using a Ro-Star mill; the effects of which on the downstream metallurgical behaviour...
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
Gao, Qina, Hana, Han, Lia
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
In the present study, an innovative comminution technology of high-voltage pulse discharge was proposed for galena to weaken the mechanical property. The results of pre-treatment experiments indicated tha...
18-May-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
Mousavia, Parsapourb, Tafvizia, Mahmoudic, Banisid
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Generally, regrind circuits are used to increase the degree of liberation of value minerals which are fed to flotation circuits. At the regrind circuit of the Sarcheshmeh copper co...
18-May-2021
Ross. Bergmann
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
The concept of underground ore processing, in which valuable ore and waste are separated at a coarse particle size to improve the economics of operations and minimisethe environmental impact, seems attractive from a...
18-May-2021
Wilkie, Keeney, Walters, Dyer, Tadesse
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
Grade Engineering® is a term trademarked by the Cooperative Research Centre for OptimisingResource Extraction (CRC ORE) and includes five key levers for upgrading ores and rejecting waste prio...
18-May-2021
Pyle, Valery, Holtham, Duffy
Published in Proceedings of the IMPC2020 Congress, SAIMM
ABSTRACT
A conceptual scoping study was conducted to investigate pre-concentration options for upgrading ore from an Ag-Pb-Zn deposit. The low grade of the ore would result in only modest economic returns, given...
17-May-2021
Amini, Beaton
Presented at the Preconcentration Digital Conference November 2020
ABSTRACT
Application of ore pre-treatment technologies such as Grade Engineering and in-pit ore treatment require comprehensive analysis to show proven value is being generated by switching away from the current pr...
17-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