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Abstract:

An experimental investigation was carried out to examine the fluid dynamic and mass transfer behavior of structured packing, with the liquid and gas phase flowing co-currently downwards in the column. Liquid to packing mass transfer coefficients for three positions within the pack were measured by an electrochemical method, varying both the liquid and gas loads as well as the physical properties of the liquid phase. Due to the high void fraction of structured packing, much higher liquid flow rates can be used than in traditional particle trickle-beds. It was found that in the range studied, the gas superficial velocity has no effect on the mass transfer rate and thus, a general mass transfer correlation in terms of liquid Reynolds number only, was developed. Wetted areas and the radial distribution of liquid through the packing element were determined by a colorimetric method. Within the range of liquid flow rates investigated, complete wetting is not achieved, even with the low viscosity solutions. The measured ratios of hydraulic to geometric area, agree reasonably well with values predicted by existing relationships.

Registro:

Documento: Artículo
Título:Mass transfer in trickle-bed reactors with structured packing
Autor:Battista, J.; Böhm, U.
Filiación:Universidad de Buenos Aires, Depto. de Ingenieria Qúimica, Ciudad Universitaria, Buenos Aires 1428, Argentina
Palabras clave:Colorimetry; Electrochemistry; Fluid dynamics; Mass transfer; Phase composition; Reynolds number; Trickling filtration; Wetting; Trickle-bed reactors; Chemical reactors; fluid dynamics; mass transfer; packing; trickle bed reactor
Año:2003
Volumen:26
Número:10
Página de inicio:1061
Página de fin:1067
DOI: http://dx.doi.org/10.1002/ceat.200301739
Título revista:Chemical Engineering and Technology
Título revista abreviado:Chem. Eng. Technol.
ISSN:09307516
CODEN:CETEE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09307516_v26_n10_p1061_Battista

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Citas:

---------- APA ----------
Battista, J. & Böhm, U. (2003) . Mass transfer in trickle-bed reactors with structured packing. Chemical Engineering and Technology, 26(10), 1061-1067.
http://dx.doi.org/10.1002/ceat.200301739
---------- CHICAGO ----------
Battista, J., Böhm, U. "Mass transfer in trickle-bed reactors with structured packing" . Chemical Engineering and Technology 26, no. 10 (2003) : 1061-1067.
http://dx.doi.org/10.1002/ceat.200301739
---------- MLA ----------
Battista, J., Böhm, U. "Mass transfer in trickle-bed reactors with structured packing" . Chemical Engineering and Technology, vol. 26, no. 10, 2003, pp. 1061-1067.
http://dx.doi.org/10.1002/ceat.200301739
---------- VANCOUVER ----------
Battista, J., Böhm, U. Mass transfer in trickle-bed reactors with structured packing. Chem. Eng. Technol. 2003;26(10):1061-1067.
http://dx.doi.org/10.1002/ceat.200301739