1978
DOI: 10.1002/aic.690240310
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The design of gas sparged devices for viscous liquid systems

Abstract: Design procedures for gas sparged contractors for both low and high viscosity liquids were developed to predict overall kLa. Bubble size close to the orifice, for moderately high gas rates, was found to increase at a rate proportional to one third power of gas rate and one tenth power of liquid viscosity. Bubble breakup phenomenon was shown to be related to liquid turbulence in the vessel rather than gas turbulence in the orifice. Procedures were developed through a simple liquid circulation model to obtain a … Show more

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Cited by 202 publications
(90 citation statements)
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“…In a bubble column filled with a power-law fluid, a solution of carboxymethylcellulose (CMC), no transition was observed in a range of superficial gas (Jin et al 2004, Lessard and Zieminski 1971, Prince and Blanch 1990. In a single-orifice bubble column, a significant amount of coalescence would be expected to occur within a height of roughly one columndiameter from the sparge tip (Bhavaraju et al 1978). Higuera (2004) conducted numerical analyses that described a string of bubbles being formed and coalescing near the nozzle in a highly viscous fluid.…”
Section: Appendix B -Qsls Data Analysis Methodologymentioning
confidence: 99%
“…In a bubble column filled with a power-law fluid, a solution of carboxymethylcellulose (CMC), no transition was observed in a range of superficial gas (Jin et al 2004, Lessard and Zieminski 1971, Prince and Blanch 1990. In a single-orifice bubble column, a significant amount of coalescence would be expected to occur within a height of roughly one columndiameter from the sparge tip (Bhavaraju et al 1978). Higuera (2004) conducted numerical analyses that described a string of bubbles being formed and coalescing near the nozzle in a highly viscous fluid.…”
Section: Appendix B -Qsls Data Analysis Methodologymentioning
confidence: 99%
“…Extensive research on gas-liquid contacting has been undertaken in conventional bubble columns and stirred tank vessels [1][2][3][4][5][6][7][8][9][10][11][12][13], and the latter has been the standard device in fermentation industries worldwide. The oscillatory baffled column (OBC) has recently emerged as a viable alternative to those vessels, since it can provide enhanced mass transfer performance [14,15].…”
Section: Introductionmentioning
confidence: 99%
“…Bhavaraju et al (1978) developed an expression for the power input (q) to gas sparged vessels based on the expansion of bubbles as they ascend the column from pressure P2 to P I , a t volumetric gas flow rate Q:…”
mentioning
confidence: 99%