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Abstract:

Mass transfer to the wall of a bubble column is examined, focusing on the influence of the liquid viscosity. The effect of introducing structured packing in the column is analysed by comparing results for the empty column with those of packed column at similar operating conditions. Visual observation allowed detecting of flow transition in the empty column with non-Newtonian fluids; hence, data obtained in a different flow regime are correlated separately. Results from the empty and packed columns could be correlated by the same expression, indicating that the presence of the structured packing inside the bubble column has no remarkable influence on the liquid to wall mass transfer. Expressions of the form St = f(Re, Fr, Sc) or Sh = f(Sc, Ga, E), mostly used in investigations on heat or mass transfer in bubble columns, are proposed. © 2005 Elsevier B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Mass transfer to the wall of a packed and unpacked bubble column operating with Newtonian and non-Newtonian liquids
Autor:Khamadieva, R.; Böhm, U.
Filiación:Departamento de Industrias, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Bubble columns; High viscosity; Mass transfer; Structured packing; Heat transfer; Mass transfer; Newtonian flow; Viscosity of liquids; High viscosity; Packed column; Structured packing; Bubble columns; bubble column; mass transfer; Newtonian fluid; non-Newtonian fluid
Año:2006
Volumen:116
Número:2
Página de inicio:105
Página de fin:113
DOI: http://dx.doi.org/10.1016/j.cej.2005.11.003
Título revista:Chemical Engineering Journal
Título revista abreviado:Chem. Eng. J.
ISSN:13858947
CODEN:CMEJA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13858947_v116_n2_p105_Khamadieva

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Citas:

---------- APA ----------
Khamadieva, R. & Böhm, U. (2006) . Mass transfer to the wall of a packed and unpacked bubble column operating with Newtonian and non-Newtonian liquids. Chemical Engineering Journal, 116(2), 105-113.
http://dx.doi.org/10.1016/j.cej.2005.11.003
---------- CHICAGO ----------
Khamadieva, R., Böhm, U. "Mass transfer to the wall of a packed and unpacked bubble column operating with Newtonian and non-Newtonian liquids" . Chemical Engineering Journal 116, no. 2 (2006) : 105-113.
http://dx.doi.org/10.1016/j.cej.2005.11.003
---------- MLA ----------
Khamadieva, R., Böhm, U. "Mass transfer to the wall of a packed and unpacked bubble column operating with Newtonian and non-Newtonian liquids" . Chemical Engineering Journal, vol. 116, no. 2, 2006, pp. 105-113.
http://dx.doi.org/10.1016/j.cej.2005.11.003
---------- VANCOUVER ----------
Khamadieva, R., Böhm, U. Mass transfer to the wall of a packed and unpacked bubble column operating with Newtonian and non-Newtonian liquids. Chem. Eng. J. 2006;116(2):105-113.
http://dx.doi.org/10.1016/j.cej.2005.11.003