Mass-transfer rates from single drops and drop swarms

Steiner, L.

doi:10.1016/0009-2509(86)87114-7

Cited by 87 publications

(44 citation statements)

References 17 publications

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“…Qi, 1992;Skelland and Wellek, 1964 . In the sense of modeling as exactly as possible, it is, however, better to do the cal-Ž . culations with an unstationary model Steiner, 1986 . This can be done relatively simply, for in the past it has been shown repeatedly that an effective or eddy diffusion coefficient in Ž the drop can be assumed to be constant with time Johnson and Hamielec, 1960;Boyadzhiev et al, 1969;Steiner, 1986;.…”

Section: Theorymentioning

confidence: 99%

“…culations with an unstationary model Steiner, 1986 . This can be done relatively simply, for in the past it has been shown repeatedly that an effective or eddy diffusion coefficient in Ž the drop can be assumed to be constant with time Johnson and Hamielec, 1960;Boyadzhiev et al, 1969;Steiner, 1986;. Slater and Hughes, 1993;Slater, 1995 . In this case, the molecular diffusion coefficient is multiplied by an enhancement factor E to obtain the effective diffusion coefficient…”

Section: Theorymentioning

confidence: 99%

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Influence of sieve trays on the mass transfer of single drops

Henschke¹,

Pfennig²

2002

AIChE Journal

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Section: Theorymentioning

confidence: 99%

Section: Theorymentioning

confidence: 99%

Influence of sieve trays on the mass transfer of single drops

Henschke¹,

Pfennig²

2002

AIChE Journal

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“…Thus, the modified model can be applied in circulation conditions or even oscillation conditions. Steiner (1986 and1990) tested this method with numerous data and further correlated the empirical factor against the physical properties. Both Saien et al (2012) and Sun et al (2014) used this correlation to predict the mass transfer process in their works.…”

Section: Modeling the Overall Mass-transfer Coefficientmentioning

confidence: 99%

Measurement and Correlation of the Mass Transfer Coefficient for a Liquid-Liquid System With High Density Difference

Huang

et al. 2016

Braz. J. Chem. Eng.

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-To investigate the mass transfer behavior of a liquid-liquid system with high density difference (∆ρ≈500 kg/m 3 ), single drop experiments were performed by using the ternary chloroform-ethanol-water system. The mass transfer direction was from the dispersed phase to the continuous phase, while the aqueous phase was dispersed in chloroform to generate drops. The influences of drop diameter, initial solute concentration and temperature on the mass transfer were investigated. The effects of the drop diameter and initial solute concentration on interfacial instability of droplets hanging in the continuous phase were also observed. For the purpose of correlation, a mass transfer enhancement factor F was introduced and then correlated as a function of dimensionless variables. The modified correlation from the mass transfer coefficient model was found to fit well with the experimental values.

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“…A correlating equation was proposed. Steiner (1986) has also correlated the drop mass transfer coefficient data for a spray column in terms of the enhancement factor R in the form: …”

Section: Rdmentioning

confidence: 99%

“…Steiner (1986) used equation (4) reduced to its first term of the summation series and evaluated R values on the basis of data from nine sources. A correlating equation was proposed.…”

Section: Rdmentioning

confidence: 99%

Prediction of mass transfer coefficients in a pulsed packed extraction column using effective diffusivity

Torab‐Mostaedi

Safdari

2009

Braz. J. Chem. Eng.

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-The volumetric overall mass transfer coefficients have been measured in a pulsed packed extraction column using diffusion model for two different liquid-liquid systems. The effects of operational variables such as pulsation intensity and dispersed and continuous phase flow rates on volumetric overall mass transfer coefficients have been investigated. Effective diffusivity is substituted for molecular diffusivity in the Gröber equation for prediction of dispersed phase overall mass transfer coefficients. The enhancement factor is determined experimentally and therefrom an empirical correlation is derived for prediction of effective diffusivity as a function of Reynolds number, Schmidt number and viscosity ratio. Good agreement between prediction and experiments was found for all operating conditions that were investigated.

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Mass-transfer rates from single drops and drop swarms

Cited by 87 publications

References 17 publications

Influence of sieve trays on the mass transfer of single drops

Influence of sieve trays on the mass transfer of single drops

Measurement and Correlation of the Mass Transfer Coefficient for a Liquid-Liquid System With High Density Difference

Prediction of mass transfer coefficients in a pulsed packed extraction column using effective diffusivity

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