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ever-increasing price of the raw material of current frothers
including Senfroth 150.
The UG2 ore frother study highlights that Senfroth
150 and Genfroth 200 offer superior performance when
compared to Senfroth 200 and shows a significant improve-
ment in the 4E PGM total recovery of ~3%, at a similar
total 4E PGM concentrate grade. There is also a notice-
able improvement in the flotation kinetics especially during
the early stages of flotation. In addition, Senfroth 150 and
Genfroth 200 gave the lowest chromite concentrate grade
during the early stages of flotation.
Figure 11. A) Chromite concentrate grade-recovery data and B) Chromite recovery-
concentrate mass pull obtained during a UG2 ore hot float screening of frothers with reagents
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