Zhang, Xuehua published the artcilePropelling microdroplets generated and sustained by liquid-liquid phase separation in confined spaces, Recommanded Product: n-Octanol, the main research area is microdroplets propelling liquid phase separation numerical simulation.
Flow transport in confined spaces is ubiquitous in technol. processes, ranging from separation and purification of pharmaceutical ingredients by microporous membranes and drug delivery in biomedical treatment to chem. and biomass conversion in catalyst-packed reactors and carbon dioxide sequestration. In this work, we suggest a distinct pathway for enhanced liquid transport in a confined space via propelling microdroplets. These microdroplets can form spontaneously from localized liquid-liquid phase separation as a ternary mixture is diluted by a diffusing poor solvent. High speed images reveal how the microdroplets grow, break up and propel rapidly along the solid surface, with a maximal velocity up to ~160μm s-1 , in response to a sharp concentration gradient resulting from phase separation The microdroplet propulsion induces a replenishing flow between the walls of the confined space towards the location of phase separation, which in turn drives the mixture out of equilibrium and leads to a repeating cascade of events. Our findings on the complex and rich phenomena of propelling droplets suggest an effective approach to enhanced flow motion of multicomponent liquid mixtures within confined spaces for time effective separation and smart transport processes.
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Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts