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Hydrodynamic effect of surfactants on gas-liquid oxygen transfer

✍ Scribed by Y. H. Lee; G. T. Tsao; P. C. Wankat

Publisher
American Institute of Chemical Engineers
Year
1980
Tongue
English
Weight
459 KB
Volume
26
Category
Article
ISSN
0001-1541

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✦ Synopsis

Abstract

An experimental investigation of the hydrodynamics at the surface region of the liquid reveals that the soluble surfactants (sodium lauryl sulfate, glucose oxidase, and bovine serum albumin) affect both the length and the velocity scales of liquid eddies approaching the surface, which results in a decrease in mass transfer.

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## Abstract Effects of various concentrations (0–5 ppm) of anionic (sodium dodecyl sulfate, SDS) and non‐ionic (Tween‐80 and Triton X‐405) surfactants on gas hold‐up and gas–liquid mass transfer in a split‐cylinder airlift reactor are reported for air–water. Surfactants were found to strongly enhan