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Type: Artigo de periódico
Title: Conventional and modified fluidized bed: Comparison of the fluid dynamics and application in particle granulation
Author: da Cunha, RLG
Pereira, MMC
Rocha, SCS
Abstract: The goal of this study was to evaluate the fluid dynamic behavior of both conventional and draft tube fluidized beds, with and without injection of compressed air (at 68.95, 103.42 and 137.89 kPa) to assess their suitability for granulation. A 35% maltodextrin solution was sprayed on microcrystalline cellulose particles by a double-fluid nozzle. The tube heights tested indicate an 8 cm maximum height from the distribution plate. Beyond this value, fluidization is similar to that of a conventional bed. The growth occurred by nucleation and consolidation of particles and the post-granulation parameters analyzed were growth, angle of repose and granule circularity. (C) 2009 Elsevier B.V. All rights reserved.
Subject: Modified fluidized bed
Microcrystalline cellulose
Country: Suíça
Editor: Elsevier Science Sa
Rights: fechado
Identifier DOI: 10.1016/j.cep.2009.01.005
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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