Session 10 | Flotation 2
| Wednesday, October 21, 2026 |
| 10:45 AM - 12:25 PM |
| Hall L |
Speaker
Mr Igor Ametov
Regional Technical Manager
Syensqo
Replacing MIBC with Syensqo’s OREPREP F-501EU and OREPREP X-133EU Frothers at Harmony Gold Morobe Consolidated Goldfields Limited Flotation Plant
10:45 AM - 11:00 AMBiography
Mr Igor Ametov is a mineral processing professional with 20 years experience in froth flotation. During his career, he worked in mineral processing research and development at the Ian Wark Research Institute of the University of South Australia and BHP. In 2015, Igor joined Cytec, a well known flotation reagent company, which later became Solvay and recently Syensqo. His current role is Syensqo's Asia Pacific Regional Technical Manager.
Mrs Natasha Walter
Senior Technical Specialist
Kemtec Mineral Processing
Opening up flotation hydrodynamics: Linking gas hold-up with recovery
11:00 AM - 11:15 AMBiography
Natasha is a Senior Technical Specialist at Kemtec Mineral Processing Pty Ltd with more than 10 years of mining industry experience. She specialises in flotation chemistry, hydrodynamic profiling, and carbon management with a strong focus on bridging plant fundamentals with practical operational outcomes. Working directly at operating mine sites, her work in gas hold-up monitoring and reagent optimisation has supported measurable improvements in recovery, concentrate grade, and cost efficiency. Natasha’s current interest is in linking real-time hydrodynamic data with metallurgical performance, giving operators actionable tools to enhance flotation selectivity and overall circuit performance.
Mr Phil Sharman
Specialist - Process Engineering
Newmont
From laboratory to industry: Accelerating NaHS Oxidation to increase Cadia’s Molybdenum Plant run time
11:15 AM - 11:30 AMBiography
Phil Sharman is Process Engineering Specialist at Newmont with over 20 years of mineral processing experience. Holding a Bachelor of Extractive Metallurgy (Hons), Phil has extensive knowledge of copper, gold, molybdenum and nickel flotation as well as experience in comminution, gravity separation, leaching, dewatering, geometallurgy and metallurgical accounting. Phil has been employed in a variety of site based and corporate roles, with involvement in laboratory test work design, piloting, commissioning, day to day production, circuit upgrades, governance and expansion studies.
Mr Rhys Jones
Principal Metallurgist
BHP
Commissioning coarse flotation at BHP Carrapateena
11:30 AM - 11:45 AMBiography
Rhys Jones is a Principal Metallurgist with BHP Copper South Australia.
Dr Germán Dario Figueroa Salguero
Senior Plant Metallurgist
Vault Minerals
The application of guar gum as a talc depressant improving copper concentrate grades in the Deflector Gold-Copper flotation circuit, Vault Minerals, Western Australia
11:45 AM - 12:00 PMBiography
Metallurgist at the Deflector Gold-Copper Project (Vault Minerals), Western Australia with academic and industrial experience in geology, process mineralogy, flotation and grinding across Mexico and Australia sites.
Session Chair
Q&A with Session Chair (Session 10)
12:00 PM - 12:25 PMBiography