This topic of "natural floatability" was studied by my colleagues in Russia 50-60 years ago, including me. It has not taken root anywhere and has not been used.
For example, talc has a natural floatability, and it is almost impossible to achieve anything. Therefore, they simply find good deposits and grind it up for enrichment.
Molybdenite is one of the few sulphides with natural floatability, but why is its recovery less than 35%?
Quartz is the most hydrophilic mineral, but if crushed too much, it will float on the surface of the water.
How can you explain this? I did a lot of calculations, I have the answer to these questions.
Ph.D. Natalia Petrovskaya
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