Stabilization of Emulsions and Coalescence of Multilayer Droplets

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Abstract
The coalescence of droplets was studied to elucidate the process of demulsification by using the apparatus based on the Cockbain and McRoberts method. Hydrocarbons were used as oil phase and their droplets in water containing SDS [sodium dodecyl sulfate] were formed by rapid injection from the capillary. The processes of coalescence were studied by the height of the droplet-column. The coalescence processes of the emulsion formed by the same samples were studied. The coalescence of droplets was correlated to that of emulsions. The droplets of coconut oil in the gum acacia solutions were examined.