Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/80442
Type: Artigo de periódico
Title: Influence of the liquid saturation degree on the fluid dynamics of a spouted-bed coater
Author: Vieira, MGA
Rocha, SCS
Abstract: The influence of the liquid saturation degree on the fluid dynamics of the conventional spouted bed coating process is investigated using inert particles such as ABS(R), placebo tablet and glass beads. An aqueous polymeric suspension was used as the coating liquid. The suspension was characterized by its surface tension, density, theology and contact angle between the suspension and the solid surface. The maximum suspension flow rate supported by the bed was determined for these three particles, at operating conditions established by preliminary tests. The solids velocity inside the spouted bed was also measured in order to correlate this circulation rate with the saturation degree of the bed. The fluid dynamics behavior of the bed was analyzed and correlated to the liquid saturation degree as well as particle and suspension characteristics. (C) 2004 Elsevier B.V. All rights reserved.
Subject: coating
spouted bed
saturation degree
particle circulation velocity
pressure drop
Country: Suíça
Editor: Elsevier Science Sa
Rights: fechado
Identifier DOI: 10.1016/j.cep.2003.12.004
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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