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Session 2 | Brownfields Upgrades - Flotation

Monday, October 19, 2026
10:40 AM - 12:05 PM
Hall L

Speaker

Mr Isaac Heath
Metallurgist
Newmont

Applying modern flotation technology to improve fine particle recovery at Cadia

10:40 AM - 10:55 AM

Biography

Isaac graduated in 2020 from the University of New South Wales with a dual degree in materials science and chemical engineering. He began his career as a graduate metallurgist in 2021 and since then has gained experience in gold and copper operations throughout the Central West of NSW. He was also a finalist for the NSW Mining Young Achiever of the Year award in 2022. Isaac has an interest in hydrometallurgy and enjoys the challenges of working in a production-based role. He is currently a Plant Metallurgist working in the flotation circuit at Cadia Valley Operations in NSW where he brings a practical mindset and a collaborative approach to solving complex metallurgical challenges in dynamic plant environments.
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Mr Homie Thanasekaran
Global Product Manager
Eriez

Advanced flotation solutions for Sepon: Boosting concentrate grade and fine particle recovery in gold processing

10:55 AM - 11:10 AM

Biography

Homie Thanasekaran (Thana-se’karan) Homie Thanasekaran is the Global Product Manager for StackCell® technology at Eriez, where he leads the global strategy, technical development, and commercial execution of high-intensity flotation solutions focused on fine particle recovery. Homie holds a Bachelor’s degree in Chemical Engineering from Anna University (India, 2001) and a Master of Science from RMIT University (Melbourne, 2004). He began his career in 2006 with BHP Billiton at Olympic Dam, where he worked as a Project Metallurgist supporting flotation circuit optimisation and sulphide recovery improvement initiatives. Since joining Eriez in 2011, Homie has played a central role in developing and commissioning advanced flotation technologies across a broad range of applications. His work has included extensive field-based pilot test campaigns and full-scale equipment implementations globally. In recent years, his focus has sharpened toward improving fine particle flotation recovery, particularly in brownfield expansion projects and operations constrained by limited plant footprint or energy demands. Homie’s current leadership of the StackCell® product line combines process innovation with practical deployment strategies to help mining operations achieve higher separation efficiency, improved sustainability outcomes, and reduced capital intensity
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Mrs Lindsey Killer
Senior Metallurgist
Evolution Mining - Ernest Henry Operaitons

Everything that glitters may be gold – Flash flotation in Ernest Henry’s Regrind Circuit

11:10 AM - 11:25 AM

Biography

Lindsey Killer is a Senior Metallurgist at Evolution Mining, specialising in copper-gold flotation. A University of Queensland alumni, she has worked at Cracow, Mt Carlton and more recently Ernest Henry Operation. She is passionate about process improvement, with a focus on engaging stakeholders and empowering teams to create systematic change.
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Ms Jessica van Sliedregt
Metallurgist
Glencore Technology

The success of the Jameson Cell rougher scalper at Prominent Hill

11:25 AM - 11:40 AM

Biography

Jessica van Sliedregt is a metallurgist at Glencore Technology with expertise in the Jameson Cell and flotation. With experience in both operations and research, she focuses on optimising base metal flotation performance in existing and greenfield processing plants. Her work integrates advanced flotation technologies to improve recovery, concentrate quality, and overall plant efficiency.
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Session Chair

Q&A with Session Chair (Session 2)

11:40 AM - 12:05 PM

Biography

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