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Gas-Liquid mass transfer in fixed-bed reactors with cocurrent downflow operating in the pulsing flow regime (1984)

Blok, J. R. ; Koning, C. E. ; Drinkenburg, A. A. H.

Hoboken, NJ : Wiley-Blackwell

AIChE Journal 30 (1984), S. 393-401

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Details

ISSN: 0001-1541

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Liquid-side mass transfer coefficients were measured for cocurrent two-phase downflow in 5 and 10 cm diameter columns pakced with 2.5 and 4 mm Raschig rings. Experiments were specifically carried out in the pulsing flow regime. The mass transfer coefficients were determined via absorption of CO2 into buffer solutions with the advantage of a high absorbing capacity. Thus columns of 1 m length could be used. Relations are proposed based on the hydrodynamic phenomena observed in pulsing flow. From these relations a correlation for kL is found in terms of flow rates and packing characteristics that satisfies the experimental data.

Zusätzliches Material: 9 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/aic.690300307

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