Interfacial phenomena and mass transfer

Bakker, C. A. P.; Buytenen, P.M. van; Beek, W.J.

doi:10.1016/0009-2509(66)85099-6

Cited by 68 publications

(20 citation statements)

References 10 publications

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“…For the limiting case of low flux mass transfer we may then write: (2) In a similar manner, we can also develop a set of dimensionless high-flux parameters for the liquid phase, analogous to those used in Part I for the gas phase but based upon volume fraction rather than mole fraction:…”

Section: Interphase Mass Transfermentioning

confidence: 99%

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Evaporation rates of volatile liquids in a laminar flow system: Part II. Liquid mixtures

Clark¹,

King²

1970

AIChE Journal

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An approach has been developed for predicting rates of interphase mass transfer under conditions of high flux and high concentration level. A rectangular channel device has been used to measure rates of evaporation of four solutes, carbon disulfide, n‐pentane, cyclopentane, and ethyl ether, from n‐tridecane into flowing nitrogen. The evaporation rate of carbon disulfide agreed with the prediction of the interphase theory up to a carbon disulfide mole fraction of 0.30 in the bulk liquid. For the other three systems, a concentration gradient induced, surface tension driven cellular convection served to increase liquid‐phase coefficients substantially. A correlation was obtained for the effect of this cellular motion on the liquid‐phase mass transfer coefficient.

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Section: Interphase Mass Transfermentioning

confidence: 99%

“…Surface tension driven, induced by temperature gradients. 2. Surface tension driven, induced by con,centration gradients.…”

Section: Interphase Mass Transfermentioning

confidence: 99%

Evaporation rates of volatile liquids in a laminar flow system: Part II. Liquid mixtures

Clark¹,

King²

1970

AIChE Journal

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“…namic᎐convective mass transfer B1 have been treated quite extensively in the literature and made applicable for the engi-Ž . neer see the preceding section , there are only a few first models and experimental investigations of mass-transfer-Ž induced convective mass transfer mechanism B2a: Orell and Westwater, 1962;Bakker et al, 1966;mechanism B2b: Davies, . 1972;Wolf and Stichlmair, 1996a,b . According to the discussion in the preceding section, it is exactly this mass transfer with mechanism B2 that is of essential importance, at least for the system investigated; our goal was to model mass transfer inside a drop based on diffusion and mass-transfer-induced turbulence.…”

Section: Fundamental Considerations On Mass Transfermentioning

confidence: 99%

Mass‐transfer enhancement in single‐drop extraction experiments

1999

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“…The solvents could be easily recovered and purified by distillation. The acetone solution would very rapidly attain equilibrium everywhere along the interface [17].…”

Section: Experimental Investigationmentioning

confidence: 99%

“…Thus, shorter residence time was required for the same degree of mass transfer of acetone from n-heptane than from a toluene droplet. This arose because acetone in heptane solution reaches equilibrium more rapidly than acetone in toluene solution [17]. …”

Section: (10)mentioning

confidence: 99%

A study of mass transfer from single large oscillating drops

1992

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A study was made of mass transfer rates from single large oscillating drops of pure liquidliquid systems, in the size range of 5 to 10 mm. A thermostatically-controlled, 50 mm in diameter, 1000 mm long, rising drop column was used, in which mirrors in the jacket enabled front and side views of drops to be photographed simultaneously. The systems studied were 1) toluene and acetone (dispersed)-water (continuous), and 2) n-heptane and acetone (dispersed)-water (continuous). High concentrations of acetone (up to 3.75 kmol/m3) were used to examine the effect of different parameters on the mass transfer rate, frequency and amplitude of oscillation in countercurrent operation. Previous theories and empirical correlations [2-6, 12, 13, 151 for the prediction of overall mass transfer coefficients showed large deviations from measured values. These may have arisen because the models do not represent droplet oscillation accurately, and/or apply only to oscillations of small droplets. Fair agreement was obtained for small oscillating droplets at low solute concentrations. The oscillations of a travelling drop were asymmetrical; the period of oscillation was uniform for mutually-saturated systems but changed when mass transfer was taking place. The periods were longer than those predicted by the Lamb [7] and Shroeder and Kintner This will facilitate more accurate prediction of the dispersed phase mass transfer coefficients relating to equipment containing droplets in the oscillating regime, e.g. pulsed columns or agitated tanks.

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Interfacial phenomena and mass transfer

Cited by 68 publications

References 10 publications

Evaporation rates of volatile liquids in a laminar flow system: Part II. Liquid mixtures

Evaporation rates of volatile liquids in a laminar flow system: Part II. Liquid mixtures

Mass‐transfer enhancement in single‐drop extraction experiments

A study of mass transfer from single large oscillating drops

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