Session 3B | REE Recovery Pathways and Project Economics
Stream B
| Monday, September 21, 2026 |
| 1:55 PM - 3:30 PM |
| Mezzanine M4 |
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Sponsored By:
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Speaker
Mr Lucas Bullen
Process Engineering Manager
Altris Engineering
In-situ recovery of rare earth elements from ionic adsorption clay deposits: Technology comparison, capital intensity and the emerging ex-China development pathway
1:55 PM - 2:15 PMBiography
Lucas Bullen, CEng MIChemE MAusIMM
Process Engineering Manager, Altris Engineering
Lucas is a Chartered Chemical Engineer and Process Engineering Manager at Altris Engineering, specializing in hydrometallurgy and critical minerals refinery design. He brings project experience spanning early stage economics through to commissioning and operations across rare earths, nickel, cobalt, lithium, vanadium and battery precursor processing.
A board member of IChemE Australia, Lucas is active in minerals policy, asset decarbonisation, and the development of the next generation of process engineers in the critical minerals sector.
His current work focuses on emerging ex-China rare earth supply chain development, including feasibility level engineering for ionic adsorption clay in-situ recovery projects
Mr Faith Agbenyo
PhD Student
Curtin University - Kalgoorlie
Beneficiation strategies for rare earth minerals from clay-hosted ores: A critical review
2:15 PM - 2:35 PMBiography
Faith Agbenyo holds a BSc Mineral Engineering from the University of Mines & Technology, Tarkwa, Ghana (2009), a Professional Certificate in Operations from the University of Melbourne, Australia (2012), and an MSc Process Systems Engineering from University of Surrey, Guildford, England, UK (2016).
Faith has 15 years of mining industry experience with a demonstrated record in safety compliance, laboratory management, plant operations, optimisation, coaching, data analytics and project management.
He worked as a Metallurgist and Business Improvement Analyst at Goldfields Ghana Limited, Damang Mine (2009-2013), Business Improvement Specialist at Gold Fields Ghana Limited, Tarkwa Mine (2013- 2023) and Plant Metallurgist/Relieving Senior Metallurgist at Newmont Africa, Akyem Mine (2023 -2025).
He is a member of Society for Mining, Metallurgy and Exploration (SME), USA and Australasian Institute of Mining and Metallurgy (AusIMM).
He is currently a PhD candidate at Curtin University with research interests in "Beneficiation of Rare Earth Minerals from Clay-Hosted Ores", sponsored by the Trailblazer Resources Technology & Critical Minerals Scholarship
Dr James Quinn
Senior Hydrometallurgist
ANSTO
Economic considerations in the processing of clay hosted rare earth deposits in Australia
2:35 PM - 2:55 PMBiography
James is a Senior Hydrometallurgist with over 15 years’ experience in the minerals industry. James is responsible for the management of desktop, laboratory and pilot plant scale commercial studies, principally in the areas of solvent extraction and ion exchange, with particular focus on uranium, rare earths, lithium and zirconium/hafnium. James has developed and applied modelling techniques for rare earth solvent extraction circuits as well as uranium ion exchange plants. His main areas of expertise are in design and optimisation of ion exchange and solvent extraction circuits, with a focus on data analysis.
Dr David Hunter
Senior Metallurgist
Core Resources Pty Ltd
An alternate approach: Heap leach flowsheet development for ASM’s Dubbo rare earths project
2:55 PM - 3:15 PMBiography
Dr David Hunter is a Senior Metallurgist at Core Resources in Brisbane, Australia. He holds a Bachelor of Chemical Engineering and a PhD from the University of Newcastle. David joined Core Resources in 2023, where his work focuses on designing and managing metallurgical testwork programs to support the development of extraction and refining processes. He works across a variety of commodities, with a critical mineral extraction processes for commodities including copper, nickel, cobalt and rare earth elements. Recently, he has been assisting Australian Strategic Materials (ASM) with the development of a heap leaching process for their Dubbo Project in New South Wales. David is committed to applying his technical background to help clients solve practical processing challenges and move projects toward commercial development.
Wayne Dicinoski
Vice President Operations Australia
Australian Strategic Materials
Q&A + Discussion (Session 3B)
3:15 PM - 3:30 PMBiography
Wayne joined ASM as Technical Manager in 2020 and has since held the roles of General Manager – Technical and most recently as VP Operations Australia. Wayne is a senior executive with more than 30 years’ experience delivering complex mining, minerals processing and critical materials projects across Australia, Asia, Africa, the Middle East and Europe. He is a proven leader of large, multidisciplinary technical and operational teams, with deep expertise transitioning projects from advanced studies through FEED, execution, commissioning and operational readiness.