Initial degree of detaching bubble adsorption coverage and the kinetics of dynamic adsorption layer formation

Literature Information

Publication Date 2017-12-20
DOI 10.1039/C7CP06099H
Impact Factor 3.676
Authors

Dominik Kosior, Jan Zawala


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Abstract

The influence of the initial adsorption coverage at the surface of an air bubble (radius 0.74 mm) formed at a capillary orifice on profiles of its rising velocities and shape variations was investigated in n-octanol, n-octyltrimethylammonium bromide (CTAB) and Tween80 solutions of different concentrations. The bubble formation and the degree of adsorption coverage at its surface at the moment of departure were controlled using an elaborated automatic bubble generator (Bubble-on-Demand) coupled with a programmable bubble trap, allowing adsorption time control over the motionless (captured) bubble interface. It was found that the degree of the initial bubble adsorption coverage (whose value was calculated according to the existing adsorption models), has a profound influence on the kinetics of the dynamic adsorption layer (DAL) development.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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