Effect of Surfactants on the Rate of Growth of an Air Bubble by Rectified Diffusion | Zendy

Judy Lee | Zendy; Sandra E. Kentish | Zendy; Muthupandian Ashokkumar | Zendy

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Effect of Surfactants on the Rate of Growth of an Air Bubble by Rectified Diffusion

Author(s) -

Judy Lee,

Sandra E. Kentish,

Muthupandian Ashokkumar

Publication year - 2005

Publication title -

the journal of physical chemistry b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.864

H-Index - 392

eISSN - 1520-6106

pISSN - 1520-5207

DOI - 10.1021/jp051758d

Subject(s) - bubble , surface tension , dodecylbenzene , diffusion , pulmonary surfactant , aqueous solution , sodium dodecyl sulfate , materials science , air bubble , sulfonate , sodium , chemical engineering , growth rate , rheology , maximum bubble pressure method , chemistry , analytical chemistry (journal) , chromatography , composite material , thermodynamics , mechanics , organic chemistry , metallurgy , physics , geometry , mathematics , engineering

The rectified diffusion growth of a single air bubble levitated in an acoustic field (frequency = 22.35 kHz) in water and in aqueous solutions containing surfactants (sodium dodecyl sulfate and sodium dodecylbenzene sulfonate) was investigated. As reported by Crum (J. Acoust. Soc. Am. 1980, 68, 203), the presence of surfactants at the bubble/liquid interface enhanced the growth rate of the bubble by rectified diffusion. It is suggested in this paper that in addition to the effect of surfactants on the surface tension and interfacial resistance to mass transfer, the effect of surface rheological properties may also contribute to the cause of the enhancement observed in the bubble growth rate.

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