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This paper is part of our study of the frother structure-property relationship using bubble rise velocity as the property. Single bubble rise velocity profiles were determined for surfactants of the polyethylene glycol (PEG) family in a 350-cm column, and the concentration to reach minimum velocity (CMV) measured at 300 cm is determined. The lower the CMV indicates a structure more effective in slowing...
In mineral flotation, frothers are used to produce fine bubbles, reduce bubble rise velocity, and stabilize the froth, three properties that enhance the flotation process. These properties depend on the frother structure and this paper is part of an investigation into the frother structure-property relationship. The property here is bubble rise velocity and the structural variation is alkyl chain...
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