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Abstract Passive acoustic emission monitoring was used to study the role of solid particles on bubble coalescence. The effect of 1–10% w/w talc (hydrophobic) or silica (hydrophilic) particles on air… Click to show full abstract
Abstract Passive acoustic emission monitoring was used to study the role of solid particles on bubble coalescence. The effect of 1–10% w/w talc (hydrophobic) or silica (hydrophilic) particles on air bubble formation and coalescence at a capillary in the presence of MIBC or sodium chloride was determined. Both solids slightly inhibited bubble coalescence while silica created a larger region of partial coalescence compared to talc. At 10% w/w the silica particles appeared to promote coalescence at high MIBC concentration.
Journal Title: Minerals Engineering
Year Published: 2017
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