The flotation process has been used and extensively researched over the past 100 years; however some aspects still remain a great mystery. While most research in the past has focussed on the pulp phase of the process, recently there has been a significant trend towards investigating the froth phase. This study focuses on the froth phase and investigates the processes that occur within this zone in a well defined and controllable system under particular operating conditions, namely changes in frother type and concentration, as well as particle type and concentration.

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