Official source
Source domain: mintek.co.za
Collected on 7 July 2026
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What this means
The document reports on a study of how individual liberated platinum-group mineral (PGM) species behave in flotation under reduced collector and frother dosages, using Platreef ore from South Africa. It explains the importance of PGM speciation for predicting and optimizing flotation performance and describes experimental methods including rougher flotation tests with milled ore and specific equipment. The goal is to better understand species-specific floatability to improve recovery and grade in PGM processing and support geometallurgical modeling.
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technical research articleOngoing
The flotation behaviour of liberated Platinum Group minerals in Platreef ore under reduced reagent conditions
Mintek makes this technical article available for reading. It reports experimental work on the flotation behaviour of individual liberated platinum-group mineral species in Platreef ore under reduced collector and frother dosages.
- Who it is for
- people interested in PGM processing, flotation, mineralogy and geometallurgical modelling
- How to act on it
- Read the article at the stated online link.
Show the line this came from
In this contribution, the effect of reduced collector and frother dosages on floatability of individual liberated PGM species was studied in Platreef ore from South Africa, which contains a large variety of different types of PGM species.
Key Takeaways
- subject: flotation behavior of individual PGM species
- location: Platreef ore, Bushveld Complex, South Africa
- reagents: reduced collector and frother dosages
- test: rougher flotation tests, 1 kg feed, 90% passing 75 µm, D12 Denver flotation machine
- parameters: impeller speed 1200 rpm, 35% solids
- organization: SENMI (suppliers of reagents)
- purpose: improve understanding of species-specific floatability for better recovery and geometallurgical models